JP2001359209A - Plant-monitoring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce operator's load for checking the abnormality or the operation results of a plant at a remote place. SOLUTION: A plant state and picture selection data storing part 11 for alarms and an operation and picture selection data storing part 12 for operations are provided. Also, a picture control device 10 is provided, that controls the direction and multiplying factor of picture input devices 8a, 8b based on the picture selection data, so that the pictures of a monitoring and controlling panel 2 can be displayed together with the monitoring or operation data, without the intervention of an operator.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant monitoring device, and more particularly, to a plant monitoring device suitable for remote monitoring of a plant state.

[0002]

2. Description of the Related Art Conventionally, remote operation of a plant has been performed by remotely operating a video input device installed on a plant side to remotely monitor the plant.

FIG. 19 is a block diagram showing a configuration of a conventional plant monitoring device by remote control of a video input device. In FIG. 19, the plant monitoring device
01, a monitoring control panel 202 including an alarm device, meters, switches, etc., a process input / output device 203 for inputting a process amount from the plant 201, a monitoring unit 204 for monitoring the process amount, and a process for displaying a plant state. Display processing means 205, interactive processing means 20 for processing an interactive operation from an operator via display device 210a
6. Operation processing means 20 for performing operation processing of the plant 201
7. Image input device 2 for inputting image of monitoring control panel 202
08, video operation device 2 for operating video input device 208
09, a display device 210a for displaying alarm information of the plant 201 and an operation terminal requested by an operator, the monitoring control panel 20
2 is configured by a display device 210b that displays two images. Here, the monitoring control panel 202, the process input / output device 203, and the video input device 208 are arranged on the plant side, and the monitoring unit 204, the display processing unit 205, the interactive processing unit 206, the operation processing unit 207, the video operation device 209, and the display The devices 210a, 210b are located at remote locations.

When a process amount from the plant 201 is input to the process input / output device 203, the process amount is sent to the monitoring means 204 at a remote place. Monitoring means 20
4 monitors the state of the plant 201 based on the process amount sent from the process input / output device 203, and when an abnormality of the plant 201 is detected from the process amount, alert information is displayed on the display device 210a via the display processing means 205. To be displayed.

When the operator recognizes the occurrence of an abnormality in the plant 201 based on the alarm information displayed on the display device 210a, the operator operates the video operating device 209 to actually confirm the details of the abnormality in the plant 201. The direction and magnification of the video input device 208 installed on the side are changed. Then, an image of the monitoring control panel 202 necessary for confirming the abnormality content of the plant 201 is displayed on the display device 210b installed at a remote place,
Check the details of the abnormality in the plant 201.

When the operator confirms the details of the abnormality of the plant 201, the operator calls an operation terminal to be operated via the display device 210a in order to recover the abnormality of the plant 201.
When the operation terminal is called, the interactive processing means 206
Displays the operation end requested by the operator on the display device 210a and notifies the operation processing means 207 of the operation from the operator. The operation processing unit 207 generates an operation signal based on the operation content from the operator, and outputs the generated operation signal to the monitoring control panel 202 via the process input / output device 3.

[0007] In the conventional remote monitoring, a remote monitoring device is provided independently for each plant in order to monitor the status of a plurality of plants at a remote location.

FIG. 20 is a block diagram showing the configuration of a conventional plant monitoring apparatus for monitoring a plurality of plants. In FIG. 20, the plant monitoring device is a plant P
Monitoring means K1 to Kn for monitoring each of the plants P1 to Pn for each plant P1 to Pn;
To Pn, display processing means A1 to An for each plant, dialogue processing means B1 to Bn for processing a dialogue request from an operator for each plant P1 to Pn, and operation of the plants P1 to Pn for each plant P1 to Pn. Operation processing means E1
To a plant display device D for displaying the monitoring status and operation status of the plants P1 to Pn for each of the plants P1 to Pn
1 to Dn.

Here, the monitoring means K1 to Kn, the display processing means A1 to An, the dialog processing means B1 to Bn and the operation processing means E1 to En are arranged on the plants P1 to Pn side, and the plant display devices D1 to Dn are remote. It is located on the ground.

When the process quantities from the plants P1 to Pn are input to the monitoring means K1 to Kn, respectively, the monitoring means K1 to Kn, based on the process quantities input from the plants P1 to Pn, The status of P1 to Pn is monitored. When each of the monitoring means K1 to Kn detects an abnormality in the plant P1 to Pn, the monitoring information is transferred to the plant display devices D1 to Dn via the display processing means A1 to An, and an alarm is issued to the plant display devices D1 to Dn. Display information.

The operator 220 operates the plant display device D
When the alarm information is confirmed by 1 to Dn, the operation terminal to be operated is called from the plant display devices D1 to Dn on which the alarm information is displayed in order to restore the plants P1 to Pn that have issued the alarm. When the operation end is called, the dialogue processing means B1 to Bn display the screen of the operation end requested by the operator 220 on the plant display devices D1 to Dn, and operate the operator 220 by the operation processing means E1 to En. Notify. Operation processing means E1 to En
Generates an operation signal based on the operation content from the operator 220, and outputs the generated operation signal to each of the plants P1 to Pn.
Output to

[0012] In the conventional remote monitoring, there is a remote monitoring using a client server system.

FIG. 21 is a block diagram showing a configuration of a plant monitoring device 290 using a conventional client server system. In the plant monitoring device 290 using the client server system, each of the plant servers S41 to S4n performs monitoring control of the plants P41 to P4n, and the corresponding operation is performed by each of the on-site clients G41 to G4.
n. On the other hand, remote monitoring station clients C41-C
At 4m, alarm monitoring of a plurality of plants P41 to P4n is performed.

In FIG. 21, a plant monitoring device 290
Are plant servers S41 to S4n provided corresponding to the plants P41 to P4n, and the plants P41 to P4n.
n client G41 to G4 provided corresponding to n
n, a remote monitoring station client C41 provided at a remote location
To C4m, and a transmission device 277. Here, the plants P41 to P4n include the plant server S4
1 to S4n are connected to each other, and each plant server S4
Field clients G41 to G4n are provided in 1 to S4n, respectively. Also, the plant servers S41 to S41
S4n, the field clients G41 to G4n and the remote monitoring station clients C41 to C4m are connected to the transmission device 277.

The plant server S41 includes a plant P41
Means 261 for inputting the state quantity of the plant from the plant, plant monitoring means 262 for performing an alarm determination process based on the state quantity of the plant P41, and the alarm information of the plant P41 for the on-site client G41 and the remote monitoring station clients C41 to C4m. Server information transmitting / receiving means 263 for transmitting to the client or receiving the operation information sent from the client G41.
It comprises a plant operation means 264 for generating a field operation signal based on the operation information sent from 41 and performing a plant operation process based on this field operation signal.

The on-site client G41 is a client information transmitting / receiving means 27 for transmitting and receiving data to and from the plant server S41 and the remote monitoring station clients C41 to C4m.
1. Display of system screen and dialog screen for plant operation
On-site screen processing means 272 for performing operations, display operation device 27
4, an interactive display unit 273 for performing an interactive display process, a display operation device 274 for performing an interactive screen display and receiving an input from the input unit 275, and an operation frame storage unit 276 for storing an operation frame to be displayed on the interactive screen. It is configured.

The remote monitoring station client C41 includes the plant servers S41 to S4n and the on-site client G41.
Client information transmitting / receiving means 281 for performing data transmission / reception processing (processing for requesting display data of a monitoring screen to the servers S41 to S4n and receiving data) with the G4n to G4n, a monitoring screen for plant status display and alarm display Screen processing means 282 for selectively displaying the
And a display operation device 284 that displays a monitoring screen and receives an input from the input unit 285.

The other plant servers S42 to S4
n, on-site clients G42 to G4n and remote monitoring station clients C42 to C4n are also connected to the plant server S4.
1. The configuration is the same as that of the site client G41 and the remote monitoring station client C41.

First, the plant server S41 inputs the plant state quantity of the plant P41 to the plant monitoring means 262 via the plant state input means 261. The plant monitoring unit 262 makes an alarm determination of the plant P41 based on the plant state quantity input from the plant state input unit 261. When the warning of the plant P41 is detected, the warning information of the plant P41 is transmitted via the server information transmitting / receiving means 263 to the site client G41 performing the corresponding operation of the plant P41 and the plurality of plants P41 to P41.
Remote monitoring station client C41- monitoring P4n
Send to C4m.

When the site client G41 receives the alarm information of the plant P41 from the plant server S41, the site client G41 transmits the alarm information to the client information transmitting / receiving means 271.
, And the alarm information is displayed on the display / operation device 274 via the interactive display means 273.

When the operator confirms the generation of the alarm of the plant P41 based on the alarm information displayed on the display / operation device 274, the operator performs an interactive operation with the display / operation device 274 to thereby obtain the plant P4 according to the contents of the alarm.
Call an interactive screen for performing the operation 1. When the interactive screen is called according to the contents of the alarm, the call instruction of the interactive screen is transmitted to the site screen processing unit 272 via the interactive screen processing unit 273.

Upon receiving an instruction to call an interactive screen according to the contents of the alarm, the on-site screen processing means 272 reads an operation frame for plant operation corresponding to the interactive screen from the operation frame storage unit 276 and displays the operation frame. It is displayed on the device 274.

When the operation frame of the plant operation is displayed on the display / operation device 274, the operator performs an interactive operation with the display / operation device 274 to operate the plant P41 according to the contents of the alarm. When the operator performs an operation on the operation frame, an operation signal of the plant P41 is transmitted to the plant server P41 via the client information transmitting / receiving means 271.

When the plant server S41 receives the operation signal of the plant P41 transmitted from the site client G41 via the server information transmission / reception means 263, it sends the operation signal to the plant operation means 264. Upon receiving the operation signal of the plant P41, the plant operation means 264 generates a control signal of the plant P41 corresponding to the operation signal, and sends the control signal to the plant P41.

On the other hand, the remote monitoring station client C41
The operator issues a request to display the alarm display screen on the display operating device 2
84, an alarm display screen is displayed on the display / operation device 284, and the remote monitoring station client C41 side displays the plant P
41 can be monitored. When the remote monitoring station client C41 receives the alarm information of the plant P41 from the plant server S41, the remote monitoring station client C41 receives the alarm information via the client information transmitting / receiving means 281 and displays the alarm information on the display operation device 284. I do.

[0026]

However, FIG.
In the plant monitoring device of the above, when an abnormality occurs in the plant 201, it is necessary for the operator to confirm the details of the abnormality in the plant 201 while manually switching the video input device 208 and setting the direction and the magnification. For this reason, the operator needs to operate the video operation device 209 while watching the display device 210b every time an abnormality occurs in the plant 201 or every time the operation of the plant 201 is performed, which imposes a burden on the operator. There was a problem.

In the plant monitoring apparatus shown in FIG. 20, the display processing means A1 to An, the dialog processing means B1 to Bn and the plant display devices D1 to Dn need to be provided for each of the plants P1 to Pn. There was a problem of burden.

Further, the operator 220 can monitor the plants P1 to Pn to be monitored and the plants P1 to P1 to be operated.
Since Pn can be arbitrarily selected, plants P1 to Pn different from plants P1 to Pn to be monitored
May be erroneously monitored or a plant P1 to Pn different from the operated plant P1 to Pn may be erroneously operated.

Further, in the plant monitoring apparatus 290 of FIG. 21, notification of the plant status from the plant servers S41 to S4n to the remote monitoring station clients C41 to C4m is sequentially performed to all the remote monitoring station clients C41 to C4n. . For this reason, the notification of the plant state is performed to the remote monitoring station clients C41 to C4n where the operator is absent, and the notification of the plant state to the remote monitoring station clients C41 to C4m where the operator is on standby may be delayed. There is a possibility that the recovery of the plants P41 to P4n in which the occurrence of the error has occurred is delayed.

In the plant monitoring apparatus 290 of FIG. 21, the site clients G41 to G4n and the remote monitoring station clients C41 to C4 use the plants P41 to G41.
Since the monitoring and operation of P4n are performed separately, there is a problem that the monitoring status and operation status of the site clients G41 to G4n cannot be grasped by the remote monitoring station clients C41 to C4. Further, the plants P41 to P4
n is different from the setting information for monitoring and operating the remote monitoring station C, and the remote monitoring station client C different from the remote monitoring station clients C41 to C4 which the operator has operated so far.
When operating 41 to C4, it is necessary to monitor and operate the plants P41 to P4n by a method different from the method used up to now, and there is a problem that the burden on the operator is caused.

Accordingly, a first object of the present invention is to provide a plant monitoring apparatus capable of automatically displaying an image necessary for confirming a plant abnormality or an operation result at a remote place. .

A second object of the present invention is to make it possible to use a common remote monitoring device provided for each plant, and to prevent erroneous recognition of monitoring targets and operation targets. It is to provide a monitoring device.

Further, a third object of the present invention is to provide a plant monitoring apparatus capable of arbitrarily selecting or restricting a notification destination of a plant state.

A fourth object of the present invention is to provide a plant monitoring apparatus capable of monitoring and operating a plant in cooperation with a plurality of clients.

A fifth object of the present invention is to provide a plant monitoring apparatus capable of easily obtaining necessary information even if a client changes.

[0036]

According to the first aspect of the present invention, there is provided an image input means for inputting an image of a plant to be monitored, and an image input by the image input means. In a plant monitoring device having display means for displaying a monitoring target, a monitoring means for inputting plant monitoring information to determine a plant state, and a video input range of the monitoring target based on the plant state determined by the monitoring means. Monitoring video control means for controlling.

According to the second aspect of the present invention, a plant operation input means for inputting operation information for operating the plant, and an operation target is determined based on the operation information input by the plant operation input means And an operation processing means for controlling the image input range based on the operation target determined by the operation processing means.

According to the third aspect of the present invention, there is provided a monitoring video input range setting means for presetting a video input range corresponding to the plant state, and an operation for presetting a video input range corresponding to the operation information. Video input range setting means.

According to the fourth aspect of the present invention, in a plant monitoring apparatus for centrally monitoring a plurality of plants, discrimination information input means for inputting discrimination information for discriminating a target plant, and the discrimination information A target plant judging means for judging a target plant from the discrimination information input by the input means, and a display means for displaying monitoring information on the target plant judged by the target plant judging means.

According to the fifth aspect of the present invention, there is provided a plant operation input means for inputting operation information for operating the plant, and the plant operation input means for the target plant determined by the target plant determination means is provided. The plant operation by means is permitted.

According to the invention of claim 6, a monitoring server provided for each plant for performing alarm monitoring control of the plant and a monitoring client connected to the monitoring server via transmission means and monitoring the plant are provided. In the above plant monitoring apparatus, the monitoring server includes a plant monitoring unit that determines a plant state change based on a plant state amount from the plant, and a notification that determines a monitoring client that gives priority notification to the plant state change detected by the plant monitoring unit. A destination client determining unit, and a server information transmitting / receiving unit that transmits information notifying a change in the plant state to the monitoring client determined by the notification destination client determining unit. The monitoring client is notified from the server information transmitting / receiving unit. Class that receives a change in plant status Client information transmitting / receiving means, monitoring screen processing means for creating a monitoring screen based on a plant state change received by the client information transmitting / receiving means, and output means for outputting the monitoring screen created by the monitoring screen processing means. It is characterized by having.

According to the seventh aspect of the present invention, it is possible to select the priority notification destination client storage means storing the priority of the monitoring client to be notified, and the priority stored in the priority notification destination client storage means. A plant state change notification destination priority selection unit, wherein the notification destination client determination unit determines a monitoring client to give a priority notification based on the priority order stored in the priority notification destination client storage unit. And

According to the invention of claim 8, a monitoring server provided for each plant for performing alarm monitoring control of the plant, a plant operation client for operating the plant, the monitoring server and the plant operation client And a monitoring client connected via transmission means for monitoring the plant, wherein the monitoring server comprises a plant state quantity input means for inputting a plant state quantity including operation information of the plant from the plant; Server information transmitting / receiving means for transmitting the plant state quantity input from the plant state quantity input means, the plant operation client comprising: a display operation means for inputting an operation command for performing a plant operation; Send / receive operation client information to send input operation command Means, the monitoring client receives the plant state quantity and the operation command, and creates a monitoring screen including a plant state and a plant operation state; and a monitoring screen processing means that is created by the monitoring screen processing means. Output means for outputting the monitoring screen.

According to the ninth aspect of the present invention, there is provided a plant server which is provided for each plant and performs plant alarm monitoring control, and a client which is connected to the plant server via transmission means and performs plant monitoring. In the monitoring device, the plant server stores monitoring means for determining a plant state from a plant state quantity of a plant, plant state storing means for storing the plant state determined by the monitoring means, and stores request information from the client. Client request information storage means for performing
Server status transmitting means for transmitting the plant state stored in the plant state storing means as client information based on the request information stored in the client request information storing means, wherein the client transmits from the server state transmitting means Display operation means for performing a display operation based on the client information.

According to the tenth aspect of the invention, the discrimination information input means for inputting the discrimination information for discriminating the request information from the client, and the discrimination information input by the discrimination information input means is transmitted to the server. A server request information transmitting unit for requesting information, and a client request information storing unit for changing contents of the client request information storing unit based on request information from the server request information transmitting unit.

[0046]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An apparatus according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of the plant monitoring device according to the first embodiment of the present invention. In FIG. 1, a plant monitoring device includes a monitoring control panel 2 for monitoring and controlling the plant 1, a process input / output device 3 for inputting a process amount from the plant 1 and monitoring information from the monitoring control panel 2, and a plant 1 Monitoring means 4 for remotely monitoring the amount of process from the computer and the monitoring information from the monitoring control panel 2;
A display processing unit 5 for performing display control for displaying a video input sent from the display unit and monitoring information sent from the monitoring unit 4 on the display device 13; an interactive processing unit 6 for receiving an operator's interactive operation input from the display device 13; Operation processing means 7 for performing operation processing of the plant 1 by interactive operation, image input devices 8a and 8b for inputting images of the plant 1 and the monitoring and control panel 2, and image input positions based on image selection information output from the monitoring means 4. Video selection means 9 for outputting information,
Based on the video input position information output from the video selection means 9, switching of the video input devices 8a and 8b is performed,
A video control device 10 for controlling input positions and magnifications of the video input devices 8a and 8b; a plant status & video selection information storage unit 11 for linking and storing video input positions corresponding to the status of the plant 1; And image selection information storage unit 12 for linking and storing video input positions corresponding to each other, alarm information of plant 1, video input device 8
a and a display device 13 for displaying an image taken by 8b and an interactive operation screen.

FIG. 2 is a diagram showing an example of the setting of the photographing location of the monitoring control panel 2 of the plant monitoring apparatus according to the first embodiment of the present invention. In FIG. 2, the monitoring control panel 2 is divided into a vertical direction and a horizontal direction. Then, position information indicating a division position is assigned to each divided region of the monitoring control panel 2. For example, in the example of FIG. 2, the monitoring control panel 2 is divided into seven in the vertical direction and ten in the horizontal direction. Position information of Y1 to Y7 is allocated to the vertical division position, and the horizontal division position is allocated to the division position in the horizontal direction. Are assigned position information of X1 to X10, respectively.

FIG. 3A is a diagram showing an example of the contents of the plant status & video selection information stored in the plant status & video selection information storage unit 11. In FIG. 3A, the plant state & video selection information storage unit 11 stores position information indicating a photographing position of the monitoring control panel 2 and a magnification for photographing the monitoring control panel 2 for each alarm point. . For example, an alarm device and meters related to the alarm point A
8, Y2), the shooting position information (X8, Y2) of the monitoring control panel 2 and the magnification 1 are stored in a state linked to the alarm point A. In addition, the alarm device and the meters related to the alarm point B are (X3,
Assuming that it is arranged at the position of Y2), the photographing position information (X3, Y2) of the monitoring control panel 2 and the magnification 2 are linked to the alarm point B and stored.

FIG. 3B is a diagram showing an example of the contents of the operation and video selection information stored in the operation and video selection information storage unit 12. In FIG. 3B, the operation & video selection information storage unit 12 stores position information indicating a shooting position of the monitoring control panel 2 and a magnification for shooting the monitoring control panel 2 for each operation terminal. For example, assuming that meters and switches related to the operation terminal A are arranged at the position (X6, Y3) of the monitoring control panel 2, the photographing position information (X6, Y3) and the magnification of the monitoring control panel 2 2 is linked to the operation end A and stored.

In the embodiment shown in FIG. 1, the monitoring and control panel 2,
The process input / output device 3, the video input devices 8a and 8b, and the video control device 10 are arranged on the plant 1 side, and include a monitoring unit 4, a display processing unit 5, a dialog processing unit 6, an operation processing unit 7, an image selection unit 9, The plant status & video selection information storage unit 11, the operation & video selection information storage unit 12, and the display device 13 are located at remote locations.

Hereinafter, the operation of the plant monitoring apparatus of FIG. 1 will be described. In the following embodiment, a method of selecting and displaying a video input will be described by taking as an example a case where the state of the plant 1 is an alarm, and the video input of the video input devices 8a and 8b is the monitoring control panel 2.

The monitoring means 4 monitors whether the process amount of the plant 1 is in the alarm range or the normal range. And
When an alarm of the plant 1 is detected, the position information and the magnification of the monitoring control panel 2 related to the alarm are read from the plant state & video selection information storage unit 11.

For example, assuming that the monitoring means 4 detects the alarm point A of the plant 1, the alarm point A is used as key information to search the plant state & video selection information storage unit 11, and the alarm point A is related to the alarm point A. The position information and the magnification of the monitoring control panel 2 are read. As a result, the photographing position information (X8, Y2) and the magnification 1 of the monitoring control panel 2 are obtained.

Hereinafter, the monitoring means 4 sets the alarm point A of the plant 1
The following description will be made on the assumption that is detected.

When the monitoring means 4 obtains the photographing position information (X8, Y2) and the magnification 1 of the monitoring control panel 2, it outputs the photographing position information (X8, Y2) and the magnification 1 of the monitoring control panel 2 to the video selection means 9. At the same time, the alarm point A detected by the monitoring means 4 is transmitted to the display processing means 5.

Upon receiving the photographing position information (X8, Y2) and the magnification 1 of the monitoring control panel 2 from the monitoring means 4, the image selecting means 9 receives the photographing position information (X8, Y2) of the monitoring control panel 2.
And the magnification 1 is output to the video control device 10.

The image control device 10 converts the photographing position information (X8, Y2) and the magnification 1 of the monitoring control panel 2 into image selection means 9
From the video input devices 8a and 8b, the video input position is monitored by the video input devices 8a and 8b by the (X
8, Y2) and the magnification is set to 1. Then, when the video input devices 8a and 8b perform shooting at the position (X8, Y2) on the monitoring control panel 2, the video control device 1
0 transmits image information captured by the video input devices 8a and 8b to the display processing means 5.

The display processing means 5 operates the (X
When the image information at the position (8, Y2) is received from the video control device 10, the image information at the position (X8, Y2) of the monitoring control panel 2 is displayed together with the alarm information at the alarm point A received from the monitoring means 4 on the display device 13. To be displayed.

FIG. 4A is a diagram showing an example of a screen display on the display device 13. 4A, a monitor screen 22 is displayed on a display screen 21 of the display device 13, and a monitor screen 2 is displayed.
2, image information 23 at the position (X8, Y2) of the monitor and control panel 2 is displayed together with information indicating the occurrence of the alarm A.

Thus, when the alarm A occurs, the video input devices 8a and 8b can automatically take a picture at the position (X8, Y2) of the monitoring control panel 2 related to the alarm A. Since the operator does not need to perform the operation for directing the directions of the video input devices 8a and 8b to the position (X8, Y2) of the monitoring control panel 2,
The burden on the operator when checking the state of occurrence of the alarm A by the monitoring control panel 2 can be reduced.

The operator uses the display device 13 to set the alarm A
After confirming the alarm information and the image information 23 related to the alarm A, the operator operates the display device 13 to request an operation terminal for restoring the alarm A of the plant 1.

For example, if the operator requests the operation terminal A, the interactive processing means 6 displays the screen of the operation terminal A requested by the operator on the display device 13 and
Using the operation terminal A as key information, the operation & video selection information storage unit 12 is searched, and the position information and the magnification of the monitoring control panel 2 related to the operation terminal A are read. As a result, FIG.
, The position information (X6, Y3) and the magnification 2 of the monitoring control panel 2 are obtained from the operation & video selection information.

Hereinafter, a description will be given assuming that the operator has requested the operation end A.

When the interactive processing means 6 obtains the position information (X6, Y3) and the magnification 2 of the monitoring control panel 2, the position information (X6, Y3) and the magnification 2 of the monitoring control panel 2 are sent to the video selection means 9. Output.

Upon receiving the position information (X6, Y3) and the magnification 2 of the monitoring control panel 2 from the interactive processing means 6, the image selection means 9 converts the position information (X6, Y3) and the magnification 2 of the monitoring control panel 2 into an image. Output to the control device 10.

Upon receiving the position information (X6, Y3) of the monitoring control panel 2 and the magnification 2 from the video selection means 9, the video control device 10 controls the switching of the video input devices 8a and 8b.
By performing the directional control and the magnification control, the image input positions of the image input devices 8a and 8b can be set to (X6,
At the position of Y3), the magnification is set to 2.
Then, the video input devices 8a and 8b connect the (X
6, Y3), the image control device 10
Transmits image information photographed by the video input devices 8a and 8b to the display processing means 5.

The display processing means 5 operates the (X
When the image information at the position (6, Y3) is received from the video control device 10, the image information at the position (X6, Y3) on the monitoring control panel 2 is displayed on the display device 13 together with the screen of the operation terminal A.

FIG. 4B is a diagram showing an example of a screen display on the display device 13. In FIG. 4B, a monitor screen 24 is generated on the display screen 21 of the display device 13, and the monitor screen 2 is displayed.
In 4, the image information 25 of the position of (X6, Y3) of the monitoring control panel 2 is displayed. Also, on the display screen 21,
An operation end screen 26 is generated, and an operation frame screen 27 for operating the operation end A on the display screen 21 is displayed in the operation end screen 26.

Thus, even when the operation of the operation end A is performed, the image information 25 for confirming the operation result of the operation end A can be transmitted to the remote location without the operator performing any operation of the video input devices 8a and 8b. It is possible for the operator to control the direction and magnification of the video input devices 8a and 8b by himself in order to check the operation result of the operation terminal A by the monitoring control panel 2 automatically. , The burden on the operator when confirming the operation result of the operation end A can be reduced.

When the image information 25 at the position (X6, Y3) of the monitoring and control panel 2 and the operation frame screen 27 for operating the operation terminal A are displayed on the display screen 21, the operator issues an alarm A of the plant 1. Is performed on the operation frame screen 27. The dialog processing means 6
When the operator performs an operation on the operation frame screen 27,
The operation information of the operator is transmitted to the operation processing means 7. When receiving the operation information from the interactive processing means 6, the operation processing means 7 transmits the operation information to the monitoring control panel 2 via the process input / output device 3. When receiving the operation information from the process input / output device 3, the monitoring control panel 2 generates a control signal for the plant 1 and controls the plant 1.

When the control of the plant 1 is performed by the operation of the operator at a remote place, the state of the monitoring control panel 2 at this time is photographed by the video input devices 8a and 8b, and the image information 25 at that time is displayed on the display device 13. Is displayed. Therefore, the operator can operate the plant 1 while checking the operation result of the plant 1 on the display device 13 in real time.

As described above, according to the first embodiment of the present invention, the plant status & video selection information storage unit 1 for an alarm
1, and operation & video selection information storage unit 12 for operation
And a video control device 1 for controlling the directions and magnifications of the video input devices 8a and 8b based on the video selection information.
0 is provided so that the image of the monitoring control panel 2 can be displayed together with the monitoring information or the operation information without intervention of the operator. Thereby, when information on the monitoring control panel 2 is obtained, the operator does not operate the video input devices 8a and 8b every time the alarm and operation of the plant 1 are performed.
Monitoring and control panel 2 related to the occurrence of an alarm and the operation of the actuator
Can be confirmed, and the plant 1 can be monitored and operated without being burdened by the operator and without impairing the realism, even in a remote place.

FIG. 5 is a block diagram showing a configuration of a plant monitoring apparatus according to a second embodiment of the present invention. In FIG. 5, the plant monitoring apparatus includes monitoring means K1 to Kn for monitoring the plants P1 to Pn for each of the plants P1 to Pn.
n, the operation of the plants P1 to Pn
Operation processing means E1 to En for each processing, display processing means 31 for performing display processing of the monitored plants P1 to Pn, interactive processing means 32 for performing interactive processing of the monitored plants P1 to Pn, status of the plants P1 to Pn, A plant display device 33 for commonly displaying operation screens and the like, a monitored plant storage unit 34 for storing information on monitored plants P1 to Pn, and a monitored plant P1 based on ID information.
Monitoring target plant determining means 35 for determining Pn, ID input device 36 for inputting ID information of ID card 37, ID for storing target plants P1 to Pn monitored by operator 38 and target plants P1 to Pn operated by operator 38 And a card 37.

Here, the monitoring means K1 to Kn and the operation processing means E1 to En are arranged on the plants P1 to Pn side,
The display processing unit 31, the dialog processing unit 32, the plant display device 33, the monitored plant storage unit 34, the monitored plant determination unit 35, and the ID input device 36 are arranged at a remote place. The display processing means 31 is connected to the plurality of monitoring means K1 to Kn, and the dialog processing means 32 is connected to the plurality of operation processing means E1 to En.

For example, when monitoring the plant P1, the operator carries the ID card 37 storing the plant P1 as a monitoring target and causes the ID input device 36 to read the ID information stored in the ID card 37. ID
The input device 36 stores the ID stored in the ID card 37.
When the information is read, the read result is sent to the monitoring target plant determining means 35. Monitoring target plant determination means 35
Receives the information of the ID card 37 from the ID input device 36, decodes the ID information of the ID card 37, and stores the plant monitoring permission information and the plant operation permission information in the monitoring target plant storage unit 34.

FIG. 6 is a diagram showing an example of the contents of the plant monitoring permission information and the plant operation permission information stored in the monitoring target plant storage unit 34. In FIG. 6, the monitoring target plant storage unit 34 stores information indicating the required range of the operator according to the classification of the plant that can be monitored by the operator, the plant that can be operated by the operator, the monitoring target and the important level of the operation target. You.

For example, assume that “0” indicates that monitoring or operation is impossible, and “1” indicates that monitoring or operation is permitted. If it is assumed that the ID card 37 stores information that monitoring is permitted for all levels of the plant P1, all levels of monitoring permission for the plant P1 are set to "1". Assuming that the ID card 37 stores information that monitoring is not permitted for all levels of the plant P2, all levels of monitoring permission for the plant P2 are set to “0”. Also, ID
Assuming that the card 37 stores information that the operation is permitted for the levels 2 and 3 of the plant P1 and the operation is not permitted for the levels 0 and 1 of the plant P1.
“1” is set for the operation permission levels 2 and 3 of the plant P1, and “0” is set for the operation permission levels 0 and 1 of the plant P1.

Next, the operator operates the plant display device 3
When the monitoring screen of the plant P1 is requested by the interactive operation of the monitoring plant 3, the interactive processing means 32
By referring to the storage contents of No. 4, it is determined whether monitoring of the plant P1 is permitted. When it is confirmed that the monitoring permission of the plant P1 is set to "1", the monitoring screen of the plant P1 is displayed on the plant display device 3.
3 is displayed.

At this time, if the operator erroneously requests the monitoring screen of the plant P2, for example,
2 confirms that the monitoring permission of the plant P2 is set to “0” by referring to the contents of the monitoring target plant storage unit 34. As a result, the interactive processing means 32
Determines that monitoring of the plant P2 is not permitted,
The request for the monitoring screen of the plant P2 is rejected, and a warning message is displayed on the plant display device 33 to call attention of the operator. The operator operates the plant display device 3
When the user confirms the warning message in step 3, he / she can notice that his / her operation was incorrect and start over.

When the operator monitors the plant P2, the operator replaces the IC card 37 and checks the plant P2.
The plant P2 can be monitored by using the IC card in which the information for giving the monitoring permission is stored.

As described above, according to the second embodiment of the present invention, the display processing means 31, the interactive processing means 32 and the plant display device 33 which are installed at remote locations are connected to a plurality of plants P1.
-Pn makes it possible to reduce equipment costs.

Further, an ID card input device 36, a monitoring target plant judging means 35 and a monitoring target plant storage section 34 are provided at a remote place, and the ID card 37 storing selectable information of the plants P1 to Pn is used. P1
By making the selection of Pn, it is possible to disable the display and operation of the plant other than the target plant indicated by the ID card 37, and to erroneously recognize the plant state or the process amount due to an incorrect plant selection by the operator.
To Pn can be prevented from being erroneously operated.

FIG. 7 is a block diagram showing the configuration of a plant monitoring apparatus according to the third embodiment of the present invention.

In FIG. 7, the plant monitoring device comprises plant servers S11 to S1n provided corresponding to the plants P11 to P1n, remote monitoring station clients C11 to C1m provided at remote locations, and a transmission device 48. Is done. Here, plant servers S11 to S1n are connected to the plants P11 to P1n, respectively, and the plant servers S11 to S1n and the remote monitoring station client C are connected.
11 to C1m are connected to the transmission device 48.

The plant server S11 is connected to the plant P11
A plant state quantity input means 41 for inputting a plant state quantity from the plant, a plant monitoring means 42 for performing a plant state change determination process based on a state quantity of the plant P11, and a remote monitoring of a plant state change obtained by the plant monitoring means 42 Station status change notification destination CL determination means 43 that determines whether to give priority notification to clients C11 to C1m, server information transmission / reception means 44 that makes a data transmission / reception request to transmission device 48, and plant state change that performs priority notification destination order acceptance processing Notification destination CL input means 45, priority notification destination CL storage unit 46 for storing the priority of notification destinations, plant P11
Operating means 4 for receiving the operation request of the plant
7 is comprised.

The remote monitoring station client C11 performs data transmission / reception processing with the plant servers S11 to S1n, and thereby transfers the priority order data to the plant server S11.
Client information transmitting / receiving means 51 for transmitting alarm information and the like displayed on the monitoring screen from the plant servers S11 to S1n, and monitoring screen processing means 5 for selectively displaying a monitoring screen for plant status display and alarm display.
2. Interactive display means 53 for performing an interactive display process of the display operating device 54, a display operating device 54 for displaying a monitoring screen or receiving an input from the input unit 55, and displaying and operating remote monitoring station clients C11 to C1m. A list is displayed in the list 54, the priority of the notification destination client for the plant status change from the monitoring target plants P11 to P1n is selected, and the selection result is notified to the plant servers S11 to S1n from the plant status change notification destination priority selection means 56. Be composed.

The other plant servers S12 to S1n
And the remote monitoring station clients C12 to C1m are also the plant server S11 and the remote monitoring station client C11.
And the same configuration.

Hereinafter, an embodiment in which the remote monitoring station clients C11 to C1m to be notified of the plant state change are selected preferentially will be described with reference to the example of the alarm generation of the plant P11.

When setting the priority of the alarm report destination when an alarm occurs, the operator selects the priority selection request button displayed in advance on the display / operation device 54 by mouse operation. When the priority selection request button is selected, the plant state change notification destination priority selection means 56 displays an interactive screen for setting the notification destination priority when an alarm occurs on the display operation device 54 via the interactive display means 53. Display.

FIG. 8A is a diagram showing an example of a notification destination priority setting dialogue screen for setting a notification destination priority when an alarm occurs. In FIG. 8A, the notification destination priority setting dialogue screen displays a setting column of the target plant and a setting column of the priority order of the remote monitoring station clients C11 to C1m to be the alarm report destinations.

Here, assuming that the operator selects the plant P11 as the plant to be monitored, FIG.
As shown in (b), plant P11 is input in the setting column of the target plant. Then, the plant state change notification destination priority selecting means 56 sets the plant server S of the plant P11.
11, the content of the client priority file stored in the priority notification destination CL storage unit 46 of the plant server S11 is read and stored in the memory.

FIG. 9A is a diagram showing an example of the contents of the client priority file. In FIG. 9A, the priority of the notification destination of the alarm of the plant P11 is, for example, the remote monitoring station client C1x and the remote monitoring station client C
If the order is 1k, the remote monitoring station client C1x is registered in the priority 1 of the client priority file, and the remote monitoring station client C1k is registered in the priority 2 of the client priority file.

The plant state change notification destination priority selection means 56
Indicates the contents of the client priority file to the priority notification destination CL.
When read from the storage unit 46, the result of the read is displayed on the notification destination priority setting interactive screen of the display operation device 54. As a result, as shown in FIG. 8C, “client C1x” is displayed in the first rank of the alarm report destination client, and “client C1k” is displayed in the second rank of the alarm report destination client. You.

Here, when the operator wants to monitor the alarm of the plant P11 by priority at the remote monitoring station client C11, the operator changes the "client C1x" displayed on the notification destination priority setting dialog screen of the display / operation device 54 to "client C1x". Rewrite to "Client C11". Then, the plant state change notification destination priority selection unit 56 notifies the plant server S11 via the client information transmission / reception unit 51 that the first rank of the alert notification destination client has been changed to “client C11”.

When the plant server S11 receives this change information from the remote monitoring station client C11, the plant state change notification destination CL is transmitted via the server information transmitting / receiving means 44.
Input to the input means 45. Plant status change notification destination CL
Upon receiving the change information, the input unit 45 updates the contents of the client priority file stored in the priority notification destination CL storage unit 46 based on the change information. As a result, as shown in FIG. 9B, the remote monitoring station client C11 is assigned to the priority 1 of the client priority file.
Is registered, and the remote monitoring station client C1k is registered in the priority order 2 of the client priority file.

When detecting the alarm of the plant P11, the plant monitoring means 42 transmits the alarm information to the plant state change notification destination CL determining means 43. Upon receiving the alarm information of the plant P11, the plant state change notification destination CL determination unit 43 refers to the client priority file stored in the priority notification destination CL storage unit 46 to determine the notification destination of the alarm information of the plant P11. Determine. As a result,
The first rank of the alarm report destination client is client C1.
When it is confirmed that it is 1, the alarm information of the plant P11 is transmitted to the remote monitoring station client C11 via the server information transmitting / receiving means 44. Remote monitoring station client C1
1 receives the alarm information of the plant P11, and displays the alarm information on the display operation device 54. As a result, the operator can know that an alarm has been generated in the plant P11 in preference to the other remote monitoring station clients C12 to C1m, and can take prompt action.

If the remote monitoring station client C11 does not respond within a specified time from the notification of the alarm information of the plant P11, the plant status change notification destination CL determining means 43 determines that The alarm information of the plant P11 can be notified to C1k.

As described above, according to the third embodiment of the present invention, the plant state change notification destination priority selection means 56 is provided on the remote monitoring station client C11 side, and the plant state change notification destination CL determination means 43 is connected to the plant server. S1
By providing the alarm on the first side, the alarm of the plant P11 can be preferentially notified to the client monitoring the alarm, and the monitoring client can recognize the alarm of the automated monitoring target unmanned plant or the like that the client wants to monitor preferentially. Can be prevented from being delayed, or an alert can be prevented from being notified to a client who is not present and who does not monitor an alarm, and a plurality of remote monitoring station clients C1 to Cm can be prevented.
Can be improved in the case where there is an error.

In the above-described embodiment, the method of designating the priorities of the remote monitoring station clients C11 to C1m has been described. However, the time zone of the notification of the plant information may be set for each notification destination.

FIG. 10 is a diagram showing a configuration of a plant monitoring apparatus according to a fourth embodiment of the present invention. In FIG. 10, plant monitoring devices are provided in plant servers S21 to S2n provided corresponding to each plant P21 to P2n, site clients G21 to G2n provided corresponding to each plant P21 to P2n, and in remote locations. Remote monitoring station clients C21 to C2m and a transmission device 78.

Here, the plant servers S21 to S2n are connected to the plants P21 to P2n, respectively.
21 to G2n are provided respectively. Further, the plant servers S21 to S2n and the site clients G21 to G
2n and the remote monitoring station clients C21-C2m
It is connected to the transmission device 78.

[0102] The plant server S21 is connected to the plant P21.
Plant state input means 61 for inputting a plant state quantity from the plant, plant monitoring means 62 for performing an alarm determination process or the like based on the state quantity of the plant P21, a site client G
It is determined whether or not the on-site operation signal of the plant P21 generated based on the operation of the remote control 21 is transmitted to the remote monitoring station clients C21 to C2m, and the on-site operation signal is transmitted to the remote monitoring station clients C21 to C2m based on the determination result. A field operation transmitting means 63 for transmitting, a server information transmitting / receiving means 64 for requesting data transmission / reception to the transmission device 78, and a field operation signal reception request for use in determining whether or not to transmit a field operation signal to the remote monitoring station clients C21 to C2m. It comprises a field operation signal reception request input means 65 to be input, a field operation signal request storage section 66 for storing a field operation signal reception request, and a plant operation means 67 for performing a plant operation process based on the field operation signal.

The site client G21 is a client information transmitting / receiving means 7 for transmitting and receiving data to and from the plant server S21 and the remote monitoring station clients C21 to C2m.
1. Display of system screen and dialog screen for plant operation
On-site screen processing means 72 for performing operations, interactive display means 73 for performing interactive display processing of the display and operation device 74, display and operation device 74 for performing interactive screen display and receiving input from the input unit 75, and the on-site client G21 side Request to receive the screen information displayed on the remote monitoring station client C
Screen information transmission determination means 7 received from 21 to C2m
6. It comprises a site screen information storage unit 77 for storing screen information to be displayed on the interactive screen of the display operation device 74.

The remote monitoring station client C21 sends a request for receiving an operation frame to the field clients G21 to G2n, and sends a request for receiving a field operation signal to the plant server S21.
21 to S2n, a client information transmission / reception unit 81 for performing reception processing of data to be displayed on the monitoring screen of the display operation device 84, a monitoring screen processing unit 82 for selectively displaying a monitoring screen for plant status display or alarm display, An interactive display unit 83 that performs an interactive display process of the display operation device 84, a display operation device 84 that displays a monitoring screen, receives an input from the input unit 85, and field clients G21 to G21.
G2n comprises a field operation reception requesting means 86 for requesting reception of screen information currently being processed and for performing display processing.

The other plant servers S22 to S2
n, on-site clients G22 to G2n and remote monitoring station clients C22 to C2m are also connected to the plant server S2.
1. The configuration can be the same as that of the site client G21 and the remote monitoring station client C21.

Hereinafter, the operation of the plant monitoring apparatus 60 shown in FIG. 10 will be described with reference to an example in which an operation frame displayed and operated by the site client G21 is monitored by the remote monitoring station client C21.

In the plant server S21, the plant state input means 61 inputs a state quantity from the plant P21. Then, in the plant P21, for example, when a low tank level water level alarm occurs, the plant monitoring unit 62 detects the low tank level water level alarm of the plant P21, and transmits the alarm information to the server information transmitting / receiving unit 64.
To the site client G21 via

The on-site client G21 is connected to the plant P2
When the warning information indicating the low water level of the tank level of 1 is transmitted from the plant server S21, the warning information is received via the client information transmitting / receiving means 71 and sent to the site screen processing means 72. When receiving the alarm information indicating the low water level of the tank level from the client information transmitting / receiving means 71, the site screen processing means 72 displays the alarm information in the interactive display means 8
3 and display it on the site monitoring screen of the display / operation device 74.

When the alarm information indicating the low tank level water level of the plant P21 is displayed on the site monitoring screen of the display / operation device 74, the operator selects one of the system selection buttons displayed on the display / operation device 74 from among the system selection buttons. Specify the selection button of the system diagram related to the alarm displayed on the monitoring screen. When the selection button is specified, the specified information is sent to the on-site screen processing means 72 via the interactive display means 73. Upon receiving the system diagram designation information, the site screen processing means 72 causes a system diagram corresponding to the designation to be displayed on the site operation screen of the display operation device 74.

FIG. 11A is a diagram showing an example of a system diagram displayed on the site operation screen 91. As shown in FIG. In FIG. 11A, a symbol 92 of “XXXX valve” is displayed on the site operation screen 91 as a system diagram.

When the system diagram is displayed on the site operation screen 91, the operator designates the symbol 92 of "XXXX valve" with a mouse or the like. Then, the on-site screen processing means 72
Reads out the operation frame screen information corresponding to the symbol 92 of the "XXXX valve" from the site screen information storage unit 77,
An operation frame for operating the XXXX valve is displayed on the on-site operation screen 91 via the interactive display means 73. Further, the site screen processing means 72 stores the operation frame currently displayed on the site operation screen 91.

FIG. 11B is a diagram showing an example of the operation frame 93 displayed on the site operation screen 91. As shown in FIG. FIG.
In FIG. 1 (b), “XXX” is displayed on the site operation screen 91.
An operation frame 93 for operating the XXXX valve is displayed together with the symbol “X valve” 92. The operation frame 93 displays a graph showing the open button, the close button, and the valve opening of the XXXX valve.

FIG. 12A shows a site screen information storage 77
2 shows the configuration of the operation frame information stored in FIG. The operation frame information includes, for example, “XXXX
Operation frame screen information for "Valve", ID information ID1 required to open valve, ID information ID2 required to close valve, ID information ID required to acquire valve opening degree
3 and the like are registered.

The operator displays “X” on the site operation screen 91.
When the operation frame 93 of the “XXX valve” is displayed, the open button and the close button displayed on the operation frame 93 are instructed to perform an operation corresponding to an alarm indicating a low tank level water level of the plant P21. , When the open button is instructed on the operation frame 93, the site screen processing unit 72
The ID information ID1 is transmitted to the plant server S21. Upon receiving the ID information ID1 via the server information transmitting / receiving means 64, the plant server S21 receives the ID information ID1.
1 is sent to the plant operation means 67. Plant operation means 6
7, when receiving the ID information ID1, increases the opening degree of the XXXX valve of the plant P21.

When the close button is instructed on the operation frame 93, the site screen processing means 72 transmits the ID information ID2 to the plant server S21 via the client information transmitting / receiving means 71. The plant server S21 receives the ID information ID received via the server information transmitting / receiving means 64.
2 is sent to the plant operation means 67. Plant operation means 6
7 receives the ID information ID2 and lowers the opening degree of the XXXX valve of the plant P21.

The site screen processing means 72 requests the plant server S21 for the current value of the valve opening degree by periodically transmitting the ID information ID3 to the plant server S21 via the client information transmitting / receiving means 71. I do. Upon receiving the ID information ID3 via the server information transmitting / receiving means 64, the plant server S21 transmits the current value of the valve opening to the site client G21. When the on-site client G21 receives the current value of the valve opening from the plant server S21, the on-site screen processing unit 72 displays a graph indicating the valve opening in the operation frame 93 based on the current value of the valve opening (▲). Mark position).

When the warning of the low water level at the tank level of the plant P21 is issued, the on-site operation is performed in the on-site client G21 as described above.

On the other hand, the operator of the remote monitoring station client C21 selects the alarm monitoring button displayed in advance on the display / operation device 84 when making a request for receiving the field operation in the field client G21. When the alarm monitor button is selected, the monitor screen processing means 82 causes the display operation device 84 to display an alarm monitor screen via the interactive display means 83.

FIG. 13A is a view showing an example of the alarm monitoring screen 101 displayed on the display / operation device 84. As shown in FIG. FIG.
In FIG. 3A, a display field for a plant name and a display field for an alarm content are provided on the alarm monitoring screen 101, and an operation display button 102 is displayed.

Here, when the plant monitoring means 62 detects the low tank level warning of the plant P21, the plant server S21 transmits the warning information to the on-site client G21 via the server information transmitting / receiving means 64. , To the remote monitoring station client C21.

When the remote monitoring station client C21 receives the alarm information indicating the low tank level of the plant P21 from the plant server S21, the remote monitoring station client C21 receives the alarm information via the client information transmitting / receiving means 81, and executes the monitoring screen processing. To the means 82. When receiving the alarm information indicating the low water level of the tank level from the client information transmitting / receiving means 81, the monitoring screen processing means 82 adds display position information and the like on the alarm monitoring screen 101, and enables display on the alarm monitoring screen 101. . Then, the alarm information is sent to the interactive display means 83 together with the display position information and the like, and the display operation device 84
To be displayed.

FIG. 13B is a diagram showing an example of alarm information displayed on the alarm monitoring screen 101 of FIG. 13A. In FIG. 13B, the remote monitoring station client C
When the plant 21 receives the alarm information indicating the low water level of the tank level of the plant P21 from the plant server S21, "plant P21" is displayed in the display column of the plant name,
"Low tank level" is displayed in the display field of the alarm content.

When the operator confirms the low water level of the tank level of the plant P21 on the alarm monitor screen 101 and wants to know the site operation at the site client G21, he selects the operation display button 102. Then
The interactive display means 83 is provided by the site clients G21 to G2n.
The display operation device 84 displays an operation frame reception interactive screen for requesting reception of the operation frame.

FIG. 14A is a diagram showing an example of the operation frame reception dialogue screen 111. In FIG. 14A, an input field of the target plant and an input field of the target site client are displayed on the operation frame reception dialogue screen 111, and an execution button 112 is displayed.

When the operation frame receiving dialogue screen 111 shown in FIG. 14A is displayed on the display / operation device 84, the operator inputs the name of the plant to be monitored in the input field of the target plant and receives the operation frame. Enter the name of the site client to be requested in the input field of the target site client. For example, the operator selects the plant P21
Field client G2 for low tank level water level
When it is desired to know the operation 1, as shown in FIG. 14 (b), input “plant P 21” in the input field of the target plant, and input “client G 21” in the input field of the target site client. The execute button 112 is clicked with a mouse or the like.

When a request to receive an operation frame is made on the operation frame reception dialogue screen 111, the dialog display means 83 sends this operation frame reception request to the field operation reception request means 86. Upon receiving the operation frame reception request, the on-site operation reception request unit 86 makes a reception request for the operation frame currently being operated to the on-site client G21 specified on the operation frame reception dialogue screen 111.

When an operation frame reception request is made to the site client G21, the site client G21
Receives the operation frame reception request via the client information transmission / reception unit 71 and sends the reception request to the screen information transmission determination unit 76. When receiving the operation frame reception request, the screen information transmission determination unit 76 determines the operation frame reception request, and determines the operation frame corresponding to the operation frame 93 currently displayed on the alarm monitoring screen 91 in FIG. The information is extracted from the site screen information storage unit 77. Then, the extracted operation frame information is transmitted to the remote monitoring station client C21 via the client information transmitting / receiving means 71.

When the remote monitoring station client C21 receives the operation frame information via the client information transmission / reception means 81, the on-site operation reception request means 86 receives the operation frame information from the client information transmission / reception means 81 and stores it in the memory. .

FIG. 12B is a diagram showing a configuration example of the operation frame information received by the remote monitoring station client C21. In FIG. 12 (b), the operation frame information received by the remote monitoring station client C21 is for displaying the operation frame 93 of the “XXXX valve” currently displayed on the site client G21 side on the remote monitoring station client C21 side. Of operation frame image information. Also, the ID information ID required to open the “XXXX valve”
1. ID information ID required to close the "XXXX valve"
2. I required to obtain the valve opening of "XXXX valve"
D information ID3 is also included.

When receiving the operation frame information from the on-site client G21, the on-site operation reception requesting means 86 generates an operation frame based on the operation frame image information, and displays the operation frame via the interactive display means 86 on the display / operation device. 84 is displayed.

FIG. 13 (c) is a diagram showing an example of the operation framer 103 displayed on the alarm monitoring screen 91 of FIG. 13 (b). In FIG. 13C, the same operation frame 103 as the operation frame 93 of “XXXX valve” currently displayed on the site client G21 side is displayed on the alarm monitoring screen 101 on the remote monitoring station client C21 side.

As a result, the operation frame 93 of the “XXXX valve” currently displayed on the site client G21 side.
Can also be viewed at the same time on the remote monitoring station client C21 side, and the sense of presence when monitoring the plant P21 with the remote monitoring station client C21 can be improved.

Further, the on-site operation reception requesting means 86 makes an on-site operation reception request to the plant server S21. That is, the on-site operation reception requesting means 86 is provided with ID information ID1 required to open the “XXXX valve” and ID information required to close the “XXXX valve” in order to obtain the operation value operated at the site. ID2, ID information ID3 necessary to acquire the valve opening degree of the “XXXX valve” is transmitted to the plant server S21 via the client information transmitting / receiving means 81.

When the on-site operation reception request is transmitted from the remote monitoring station client C21, the plant server S21
A field operation reception request is received via the server information transmission / reception means 64 and sent to the field operation reception request input means 65. Upon receiving the on-site operation reception request, the on-site operation reception request input means 65 transmits this on-site operation reception request to the remote monitoring station client C.
The data is stored in the site operation storage unit 66 for each of 21 to C2m.

FIG. 15 is a diagram showing the structure of the on-site operation reception request information stored in the on-site operation storage section 66. FIG.
In the field operation storage unit 66, a field operation reception request is stored for each of the remote monitoring station clients C21 to C2m. For example, for the remote monitoring station client C21, the ID information I required to open the "XXXX valve"
D1, ID information I required to close "XXXX valve"
D2 and ID information necessary to acquire the valve opening degree of the “XXXX valve” are stored.

When the on-site operation reception request is stored in the on-site operation storage unit 66, the on-site operation transmission unit 63 transmits the ID information ID1, ID2, and ID stored in the on-site operation storage unit 66.
The process monitoring means 62 periodically receives a process value (current value of the opening and closing of the XXXX valve and the opening degree of the XXXX valve) corresponding to 3. The current values of the opening, closing, and valve opening of the XXXX valves corresponding to the ID information ID1, ID2, and ID3 are transmitted to the remote monitoring station client C via the server information transmitting / receiving means 64.
21 periodically.

When the remote monitoring station client C21 receives from the plant server S21 the current values of the opening, closing, and valve opening of the XXXX valves corresponding to the ID information ID1, ID2, and ID3, the on-site operation reception requesting means 86 Done X
Based on the current values of the opening and closing of the XXX valve and the valve opening, the graph (position of the mark) indicating the valve opening in the operation frame 103 is updated. For example, when the opening operation is performed on the operation frame 93 in FIG. 11B, the opening operation is also performed on the operation frame 103 in FIG. FIG.
When the position of the mark in the graph indicating the valve opening is updated on the operation frame 93 of FIG. 1B, the position of the mark in the graph indicating the valve opening is also changed on the operation frame 103 of FIG. Updated at the same time.

As a result, the operation contents of the “XXXX valve” performed on the site client G21 side can be viewed in real time on the remote monitoring station client C21 side, and the remote monitoring station client C21 monitors the plant P21. Can be improved when performing.

As described above, according to the fourth embodiment of the present invention, the operation frame 93 displayed on the site client G21 can be interlocked and displayed on the remote monitoring station client C21 side. The operation content on the G21 side can be displayed in conjunction with the monitoring client C21 side, and the abnormal recovery operation currently performed on the site client G21 side can be simultaneously confirmed on the remote monitoring station client C21 side. Thus, it is possible to realize realistic remote monitoring.

FIG. 16 is a block diagram showing a configuration of a plant monitoring apparatus according to the fifth embodiment of the present invention. FIG.
In the plant monitoring device,
3n corresponding to the plant servers S31 to S3
n, clients C31 to C3m, and a transmission device 130. Here, each of the plants P31 to P3n includes:
The plant servers S31 to S3n are respectively connected, and each of the plant servers S31 to S3n and the client C3
1 to C3m are connected to the transmission device 130.

The plant server S31 stores the plant P31
State input means 12 for inputting the process amount from the plant
1. Plant monitoring means 122 for performing a process of determining a plant state based on the process amount of the plant P31, a screen information storage unit 123 for storing screen information displayed on the clients C31 to C3m side, a process amount and a plant state of the plant P31 Storage unit 12 for storing the
4. Various types of information in the plant servers S31 to S3n are edited based on the server request information from the clients C31 to C3m, and the edited result is transmitted to the client C31 of the request source.
Server information transmitting means 125 for transmitting data to the transmission device 130, server information transmitting / receiving means 126 for transmitting a data transmission / reception request to the transmission device 130, and client request information storing means 12 for storing server request information from the clients C31 to C3m.
7. Plant operation means 128 for receiving an operation request of the plant P31, clients C31 to C3m
Server request information from the clients C31 to C3m
Client request information storage units MC1 to M
Cm.

The client C31 is connected to the plant server S
Client information transmission / reception means 131 for performing data transmission / reception processing with 31 to S3n, interactive display means 132 for performing interactive display processing of the display / operation device 136, and loading / unloading of an IC card storing request settings from an operator. IC card input / output means 133, IC card information storage section 134 for storing request setting information stored in the IC card, and requests information on plant servers S31 to S3n based on request setting information stored in the IC card. The server request information transmitting unit 135 includes a display operation device 136 that displays a monitoring screen.

The other plant servers S32 to S3n
The clients C32 to C3m can have the same configuration as the plant server S31 and the client C31.

FIG. 17 is a diagram showing an example of the contents of the request setting information set in the IC card in advance.

Here, the IC card contains the client C
Information that needs to be set on the client C32 to C3m side in order for the 32-C3m to acquire information from the plant servers S31 to S3n is stored. For example, FIG.
As shown in the figure, the IC card has addresses of the plant servers S31 to S3n accessed by the operator, menu information for the operator to interact with, a plant number required for the menu, a requesting process ID, a screen information number, and screen information thereof. The requirements and the like for obtaining the information are set. The request setting information can be selected by an operator by presenting the request setting information in a menu format, or can be automatically selected as automatic request information.

The operator operates the plant servers S31-S
When acquiring the information of 3n from the client C31 side,
The user carries an IC card in which the request setting information is set in advance.
Then, the IC card input / output unit 133 automatically reads the request setting information stored in the IC card. IC
When the card input / output means 133 reads the request setting information,
The request setting information is stored in the IC card information storage unit 134.

When the request setting information is stored in the IC card information storage unit 134, the server request information transmitting unit 135
Based on the request setting information, the plant servers S32 to
The settings required to acquire the information from S3n are automatically performed. Then, server request information necessary for the plant servers S32 to S3n to acquire information from the plant servers S32 to S3n is transmitted to the plant servers S32 to S3n via the client information transmitting / receiving means 47.

When the server request information is transmitted from the clients C31 to C3m, the plant server S31 receives the server request information via the server information transmitting / receiving means 126 and notifies the client request information storing means 127. Upon receiving the server request information, the client request information storage unit 127 stores the server request information in the client request information storage units MC1 to MCm for each of the clients C31 to C3m.

The server information transmission means 125 periodically checks the contents of the client request information storage units MC1 to MCm, and when each of the clients C31 to C3m
31 is determined. here,
When conditions such as an event or a plant requested by each of the clients C31 to C3 are satisfied, the client C31
Screen information corresponding to the screen information number requested by C3m.
The information is read from the screen information storage unit 123 and the plant state information requested by the clients C31 to C3m is read from the plant state storage unit 124. Then, these information are edited, and the requested clients C31 to C3 are edited.
m through the server information transmitting / receiving means 126.

The client C31 is connected to the client C3.
When the screen information, plant status information, and the like requested in 1 are transmitted from the plant server S31, the information is received via the client information transmitting / receiving means 131. Then, the information is displayed on the display / operation device 136 via the interactive display means 132 to provide it to the operator.

For example, an IC card includes a plant P31
It is assumed that the display request of the monitoring screen of the open / close state of the XXXX valve is stored and the operator carries the IC card. Then, the information stored in the IC card is read by the IC card input unit 133, and the server request information transmitting unit 135 requests the plant server S31 to transmit the opening / closing information of the XXXX valve of the plant P31.

The plant server S31 is connected to the plant P31
Is transmitted, the client request information storage unit 127 stores the request in the client request information storage unit 129a. When the transmission request of the opening and closing information of the XXXX valve of the plant P31 is stored in the client request information storage unit 129a, the server information transmitting unit 125 reads the opening and closing information of the XXXX valve of the plant P31 from the plant state storage unit 124. Then, the open / close information of the XXXX valve of the plant P31 is transmitted to the client C31 via the server information transmitting / receiving means 126. Upon receiving the open / close information of the XXXX valve of the plant P31, the client C31 displays the open / close state of the XXXX valve of the plant P31 on the monitoring screen of the display / operation device 136.

Thus, the operator can display the open / close state of the XXXX valve of the plant P31 on the display / operation device 136 of the client C31 only by carrying the IC card.

The interactive display means 132 can also display the menu information stored in the IC card on the display / operation device 136 in addition to the automatic request described above. When the menu information is displayed on the display / operation device 136, the operator selects a menu desired by the operator from the menus displayed on the display / operation device 136. When the menu is selected, the interactive display unit 132 transmits a request from the client C31 corresponding to the menu to the servers S31 to S3n via the client information transmitting / receiving unit 131.

The interactive display means 136 may have a function of displaying the contents of the IC card information storage section 134 on the display / operation device 136 and editing the contents. Further, based on the result of editing the contents of the IC card information storage unit 134, the contents of the IC card information storage unit 134 are updated, and the updated contents are updated via the IC card input / output unit 133.
A function of storing the information in the C card can also be provided.

As described above, according to the fifth embodiment of the present invention, the information necessary for the operator to obtain information from the plant servers S31 to S3n and the dialog setting information are stored in the I-mode.
The IC card is stored in advance in the C card, the operator carries the IC card, and the contents of the IC card are stored in the client C3.
1 to C3m, the operator does not need to make settings for each of the clients C31 to C3m even when the clients C31 to C3m change, and each of the plant servers S31 to S3
The information of n can be obtained by a similar operation.

Depending on the setting information in the IC card, it is also possible to realize a navigation function for automatically displaying necessary information according to the status of the plants P31 to P3n on the clients C31 to C3.

FIG. 18 is a block diagram showing a configuration in a case where the plant monitoring apparatus according to the embodiment of the present invention is realized by software.

Referring to FIG. 18, a plant monitoring device includes a central processing unit (CPU) 14 for performing overall processing.
1. Read only memory (ROM) 142, random access memory (RAM) 143, communication interface 144, communication network 145, input / output interface 146, monitor screen, operation screen, alarm information, display 147 for displaying plant image input, etc. , A printer 148 for printing monitoring information and operation information, a sensor 1 for detecting a process signal and reading video data, etc.
49, an A / D conversion processing device 150 for converting an analog signal read by the sensor 149 into a digital signal, a keyboard 151, a pointing device 152 such as a mouse, a driver 153 for driving a storage medium, a hard disk 154, an IC memory card 155, Magnetic tape 1
56, floppy disk 157, CD-ROM and DV
An optical disk 158 such as a D-RAM and a bus 159 are provided.

A program for controlling video input, a program for permitting monitoring, a program for collecting server information based on priorities, a program for performing cooperative monitoring and cooperative operation among a plurality of clients, and a program for transmitting information requested by clients to the server The programs automatically collected from the side include a hard disk 154, an IC memory card 155, a magnetic tape 156, a floppy disk 157, and an optical disk 15.
8 and the like. Also, monitoring permission information,
The server request information and the like are stored in a portable storage medium such as an IC memory card 155, a magnetic tape 156, a floppy disk 157, and an optical disk 158.

Then, a program for controlling video input,
These include programs that allow monitoring, programs that collect server information based on priority, programs that perform cooperative monitoring and operation between multiple clients, and programs that automatically collect information requested by clients from the server. By reading data from the storage medium to the RAM 143, remote monitoring control can be performed.

Furthermore, these programs can be taken out of the communication network 145 via the communication interface 144.

As the communication network 145 connected to the communication interface 144, for example, a LAN (Lo)
cal Area Network), WAN (Wid)
eArea Network, Internet, analog telephone network, digital telephone network (ISDN: Integr)
al Service Digital Network
k), a wireless communication network such as PHS (Personal Handy System) or satellite communication can be used.

When the program for performing the video input control is started, the CPU 141 receives the plant information via the communication network 145 and, based on the plant information, transmits the video input device arranged on the plant side to the communication network 145. Control through. Then, the image data obtained by the video input device is received via the communication network 145, and the image captured by the video input device is displayed on the display 147 together with the plant information.

When a program for permitting monitoring is started, the CPU 141 reads monitoring permission information from a portable storage medium such as an IC memory card 155, a magnetic tape 156, a floppy disk 157, or an optical disk 158. Then, a plant to be monitored is determined based on the monitoring permission information, the plant information of the plant for which monitoring is permitted is received via the communication network 145, and displayed on the display 147. On the other hand, if the operator requests plant information of a plant for which monitoring is not permitted, the request is rejected.

Further, when a program for collecting server information based on the priority is started, the CPU 141 causes the display 147 to display a screen for designating the priority.
Then, when the operator designates a priority on the display 147 using the keyboard 151 or the pointing device 152, the designated priority is transmitted to the plant server via the communication network 145. Upon receiving the priority of the transmission destination, the plant server transmits plant information to the transmission destination according to the priority. When plant information is sent from the plant server based on the priority, the plant information is displayed on the display 147.

When a program for performing cooperative monitoring and cooperative operation between a plurality of clients is started, the CPU 141 displays a monitor screen or an operation screen displayed on another client on its own client. The request is made to another client via the communication network 145. Then, when information for displaying a monitoring screen or an operation screen displayed on another client is transmitted via the communication network 145, the monitoring screen displayed on another client is based on the information. And an operation screen are displayed on the display 147. Further, the operation contents of the plant by another client are requested from the plant server, and the operation contents are simultaneously displayed on the display 14.
7 is displayed.

When the program for automatically collecting the information requested by the client from the server side is started, the CPU 141 activates the IC memory card 155, the magnetic tape 15.
6. The setting request information is read from a portable storage medium such as the floppy disk 157 or the optical disk 158, and the setting required for collecting the information requested by the client from the server side is automatically performed. Then, information requested by the client is automatically collected from the server via the communication network 145, and displayed on the display 147.

[0169]

As described above, according to the first aspect of the present invention, when an abnormality has occurred in a monitoring target, the operator can operate the image input device without manipulating the direction or magnification of the image input device without having to operate the image input device. In addition to being able to automatically project images at an appropriate magnification, it is also possible to automatically project images of the operation terminals required for restoration of the part where an error has occurred, which enables plant monitoring and It is possible to reduce the burden on the operator when performing restoration.

According to the second aspect of the present invention, remote monitoring and remote control of a plurality of plants can be performed at one place, and the load on equipment for remote monitoring and remote control can be reduced. In addition, even when one remote monitoring device is shared by a plurality of plants, it is possible to prevent an operator from monitoring or operating another plant by mistake, thereby reducing equipment costs. It is possible to enhance the checking function of the monitoring system while controlling.

According to the third aspect of the present invention, even when a plurality of remote monitoring point clients exist, monitoring information is sent in preference to a specific remote monitoring point client, and alarm information with high importance is given priority. It is possible to improve the promptness and certainty of the notification of the plant information.

According to the fourth aspect of the present invention, the monitoring contents and operation contents of the plant at the site client can be simultaneously viewed by the remote monitoring station client, so that the consistency of the monitoring and operation of the plant is maintained. In addition, the monitoring and operation of the plant can be performed by a plurality of clients jointly, and the monitoring and operation of the plant can be efficiently performed.

Further, according to the fifth aspect, the operator automatically sets the required information of the plant information required by the operator without setting the required information to obtain the plant information from the server by himself / herself. It is possible to automatically obtain plant information that meets the operator's request simply by making a request for plant information. Can be reduced.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a plant monitoring device according to a first embodiment of the present invention.

FIG. 2 is a diagram showing an example of a monitoring control panel location of the plant monitoring apparatus according to the first embodiment of the present invention.

FIG. 3 (a) is a diagram showing an example of the contents of plant status & video selection information of a plant monitoring apparatus according to a first embodiment of the present invention, and FIG. 3 (b) is a first embodiment of the present invention. It is a figure which shows the example of content of the operation & video selection information of the plant monitoring apparatus concerning an example.

FIG. 4A is a diagram showing an example of a screen display at the time of monitoring a plant state of the plant monitoring apparatus according to the first embodiment of the present invention, and FIG. 4B is a diagram showing the first embodiment of the present invention; FIG. 6 is a diagram showing an example of a screen display at the time of plant operation of the plant monitoring device according to FIG.

FIG. 5 is a block diagram showing a configuration of a plant monitoring device according to a second embodiment of the present invention.

FIG. 6 is a diagram showing an example of contents of plant monitoring permission information and plant operation permission information of a plant monitoring device according to a second embodiment of the present invention.

FIG. 7 is a block diagram showing a configuration of a plant monitoring device according to a third embodiment of the present invention.

FIG. 8 is a diagram showing an example of an alert report destination priority selection dialogue screen of the plant monitoring apparatus according to the third embodiment of the present invention.

FIG. 9 is a diagram illustrating a configuration example of a client priority file of a plant monitoring apparatus according to a third embodiment of the present invention.

FIG. 10 is a diagram showing a configuration of a plant monitoring device according to a fourth embodiment of the present invention.

FIG. 11 is a diagram showing an example of a site operation screen of a plant monitoring device according to a fourth embodiment of the present invention.

FIG. 12 is a diagram illustrating a configuration example of operation frame information of a plant monitoring device according to a fourth embodiment of the present invention.

FIG. 13 is a diagram showing an example of an alarm monitoring screen of a plant monitoring apparatus according to a fourth embodiment of the present invention.

FIG. 14 is a diagram illustrating an example of an operation frame reception dialogue screen of the plant monitoring apparatus according to the fourth embodiment of the present invention.

FIG. 15 is a diagram illustrating a storage example of field operation information of a plant monitoring device according to a fourth embodiment of the present invention.

FIG. 16 is a block diagram showing a configuration of a plant monitoring device according to a fifth embodiment of the present invention.

FIG. 17 is a diagram showing a content example of IC card information of a plant monitoring device according to a fifth embodiment of the present invention.

FIG. 18 is a block diagram illustrating a configuration in a case where a plant monitoring device according to an embodiment of the present invention is implemented using software.

FIG. 19 is a block diagram showing a configuration of a conventional plant monitoring device.

FIG. 20 is a block diagram showing a configuration of a conventional plant monitoring device.

FIG. 21 is a block diagram showing a configuration of a conventional plant monitoring device.

[Explanation of symbols]

1, P1 to Pn, P11 to P1n, P21 to P2n, P
31 to P3n plant 2 monitoring and control panel 3 process input / output device 4, K1 to Kn monitoring means 5, 31 display processing means 6, 32 interactive processing means 7, E1 to En operation processing means 8a, 8b video input device 9 video selection means Reference Signs List 10 video control device 11 plant status & video selection information storage unit 12 operation & video selection information storage unit 13, 33 plant display device 34 monitored plant storage unit 35 monitored plant determination means 36 ID input device 37 ID card 38 operator S11 S1n, S21 to S2n, S31 to S3n Plant servers C11 to C1m, C21 to C2m, C31 to C3m Remote monitoring station clients 41, 61, 121 Plant state input means 42, 62, 122 Plant monitoring means 43 Plant state change notification destination client Determination means 44, 64 , 126 Server information transmission / reception means 45 Plant status notification destination client input means 46 Priority notification destination client storage units 47, 67, 128 Plant operation means 48, 78, 130 Transmission devices 51, 71, 81, 131 Client information transmission / reception means 52, 82 Monitoring screen processing means 53, 73, 83, 132 Interactive display means 54, 74, 84 Display / operation device 55, 75, 85, 136 Input unit 56 Plant state change notification priority selection means G21-G2n Site client 63 Site operation transmission unit 65 On-site operation reception request input unit 66 On-site operation storage unit 72 On-site screen processing unit 76 Screen information transmission determination unit 77 On-site screen information storage unit 86 On-site operation reception request unit 123 Screen information storage unit 124 Plant status storage unit 125 Server information transmission unit 127 Claire Request information storage means MC1 to MCm client request information storage unit 133 IC card input / output unit 134 IC card information storage unit 135 server request information transmission unit 141 CPU 142 ROM 143 RAM 144 communication interface 145 communication network 146 input / output interface 147 display 148 Printer 149 Sensor 150 A / D conversion processing device 151 Keyboard 152 Pointing device 153 Driver 154 Hard disk 155 IC memory card 156 Magnetic tape 157 Floppy disk 158 Optical disk 159 Bus

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification code FI Theme coat ゛ (Reference) H04Q 9/00 311 H04Q 9/00 311J F term (Reference) 5C054 AA01 CF05 CG02 CG05 CH01 CH08 EA01 EA03 EA05 FE02 FE09 FE16 FE26 FE28 GB01 HA02 5H223 AA01 BB01 CC08 DD03 DD07 DD09 EE06 FF03 5K048 AA04 AA06 AA08 BA23 EB02 EB13 EB15 FB04 GB05 HA01 HA02 HA21

Claims (10)

[Claims] 1. A plant monitoring apparatus comprising: video input means for inputting an image of a monitoring target of a plant; and display means for displaying the monitoring target input by the video inputting means. A plant monitoring device comprising: a monitoring unit that determines a plant state; and a monitoring video control unit that controls a video input range to be monitored based on the plant state determined by the monitoring unit. 2. Plant operation input means for inputting operation information for operating a plant, operation processing means for determining and outputting an operation target based on the operation information input by the plant operation input means, 2. The plant monitoring apparatus according to claim 1, further comprising operation video control means for controlling a video input range based on the operation target determined by the processing means. 3. A monitor video input range setting means for presetting a video input range corresponding to the plant state; and an operation video input range setting means for presetting a video input range corresponding to the operation information. The plant monitoring device according to claim 2, wherein: 4. A plant monitoring apparatus for centrally monitoring a plurality of plants, comprising: discrimination information input means for inputting discrimination information for discriminating a target plant; A plant monitoring apparatus comprising: a target plant determining unit that determines a plant; and a display unit that displays monitoring information on the target plant determined by the target plant determining unit. 5. A plant operation input means for inputting operation information for operating a plant, wherein plant operation by the plant operation input means is permitted for a target plant determined by the target plant determination means. The plant monitoring device according to claim 4, wherein 6. A plant monitoring apparatus, comprising: a monitoring server provided for each plant for performing alarm monitoring control of a plant; and a monitoring client connected to the monitoring server via a transmission unit and monitoring the plant, wherein the monitoring server is A plant monitoring means for determining a plant state change from a plant state quantity from a plant; a notification destination client determining means for determining a monitoring client for giving priority notification of a plant state change detected by the plant monitoring means; and a notification destination client. Server information transmitting / receiving means for transmitting information notifying a change in the plant state to the monitoring client determined by the determining means, wherein the monitoring client transmits / receives the plant state change notified from the server information transmitting / receiving means Means and A monitor screen processing unit for creating a monitor screen based on a change in plant state received by the client information transmitting / receiving unit, and an output unit for outputting the monitor screen created by the monitor screen processing unit Plant monitoring equipment. 7. Priority notification destination client storage means storing priority of monitoring clients to be notified, and plant state change notification destination priority selection means enabling selection of the priority stored in the priority notification destination client storage means. The plant monitoring apparatus according to claim 6, wherein the notification destination client determination unit determines a monitoring client to give a priority notification based on the priority order stored in the priority notification destination client storage unit. . 8. A monitoring server provided for each plant for performing alarm monitoring and control of the plant, a plant operation client for operating the plant, and a plant monitor connected to the monitoring server and the plant operation client via transmission means. A monitoring client that performs the following operations: the monitoring server includes: a plant state quantity input unit that inputs a plant state quantity including operation information of the plant from the plant; and a plant input from the plant state quantity input unit. A plant information transmitting / receiving means for transmitting a state quantity; a display operation means for inputting an operation command for performing a plant operation; and an operation client for transmitting an operation command input from the display / operation means. Information transmission / reception means; An ant receives the plant state quantity and the operation command, creates a monitor screen including a plant state and a plant operation state, and outputs a monitor screen created by the monitor screen processing means. And a means for monitoring a plant. 9. A plant monitoring device, comprising: a plant server provided for each plant for monitoring and controlling a plant alarm; and a client connected to the plant server via transmission means for monitoring the plant, wherein the plant server comprises a plant Monitoring means for determining a plant state from the plant state quantity of the above; a plant state storage means for storing the plant state determined by the monitoring means; a client request information storage means for storing request information from the client; Server status transmission means for transmitting the plant status stored in the plant status storage means as client information based on the request information stored in the request information storage means, wherein the client is a client from the server status transmission means. Based on information Plant monitoring apparatus, comprising a display operation means for performing 示操 operation. 10. Discrimination information input means for inputting discrimination information for discriminating request information from a client, server request information transmission means for requesting information from a server based on discrimination information input by the discrimination information input means. 10. The plant monitoring apparatus according to claim 9, further comprising: client request information storage means for changing contents of the client request information storage means based on request information from server request information transmission means.