JPH06339184A - Plant supervisory equipment - Google Patents

Abstract

PURPOSE:To enhance the productivity of program generation by integrating a kind of pattern display program to each monitor controller independently of scanning enable/inhibit at system buildup. CONSTITUTION:Monitor display control sections 6, 7; 16, 17 discriminate whether the operation of monitor display devices 1, 2, 11, 12 is enable or inhibited and when the operator enters a menu pattern entry with touch operation and when the entry is received from a monitor display device whose operation is available, the entry is accepted and data are sent from a station to a programmable controller through a data transmitter 9. When the result of control of a plant by the programmable coefficient or a command from the programmable controller itself is inputted from the station to each of monitor controllers 3, 13 through the data transmitter 9 and the pattern display reflecting the processing result is outputted to each of the monitor display devices 1, 2, 11, 12 to revise the control menu pattern of all the monitors.

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 for monitoring and operating a plant.

[0002]

2. Description of the Related Art Conventionally, a plant monitoring apparatus having a structure shown in FIG. 6 has been known for monitoring and operating a plant. This conventional plant monitoring device is, for example, NO. 1-NO. 4 monitor display devices 101 to 104 capable of touch operation up to 4 are prepared,
NO. 1, NO. 2 monitor display device 10
A monitor controller 105 is provided to control the display of Nos. 1 and 102. 3, NO. A monitor control device 106 is provided to control the display of the monitor display devices 103 and 104 of No. 4, and each of these monitor control devices 105 and 106 is connected to a data transmission device 107 such as a LAN. 1 station 109, NO.
Two stations 110 are connected. The data transmission device 107 further includes monitor display devices 101 to 101.
The programmable controller 108 that receives a plant operation operation command from the plant operation monitoring operation screen of the 104 and controls the plant is NO. 3 stations 111 are connected.

On the monitor display devices 101 to 104, a plant operation monitoring operation screen is displayed and an operation input by touch operation is processed. 1-NO. Four monitor control units 112 to 115 are provided, and data is transmitted from the monitor control units 112 to 115 to the programmable controller 108 through the data transmission device 107.

[0004]

However, in such a conventional plant monitoring apparatus, the NO. 1-NO. Although the same plant operation monitoring operation screen is displayed on all of the monitor display devices 101 to 104 of No. 4, it can be operated only from a specific monitor display device which is selectively set in advance. For example, the mode setting and display screen as shown in FIG. 1-NO. The same is displayed on all of the four monitor display devices 101 to 104,
No. is displayed for such an operation screen. 1 monitor display device 101 and NO. By performing a touch operation on the monitor display device 103 of No. 3, the automatic mode /
It is possible to switch the manual mode, but the same operation screen is displayed. 2 monitor display device 102 and N
O. 4 The monitor display device 104 is set so that touch operation cannot be performed.

As described above, each monitor display device 10
Even if the same screen is displayed in 1 to 104, if the operable / inhibited specifications are different for each monitor display device, it is necessary to install a separate software program for each display control unit 112 to 115. Yes,
Even if the same operation monitoring operation screen is created, multiple screen display programs must be created and productivity is poor. Also, if it is necessary to change the screen display, do not make changes to multiple programs. There was a problem that maintainability was poor.

Conventionally, since the monitor display devices that can be operated and those which cannot be operated are clearly distinguished from each other, a failure of the monitor display device that can be operated by an operator during start-up adjustment, test, or maintenance of the plant, or even during operation. In some cases, such as when the operation display can be done efficiently even if the operation display is prohibited from the monitor display device, it may not be possible to do so, and the work efficiency may deteriorate. It was

Therefore, in order to make this possible, the software program incorporated in each monitor control device is temporarily rewritten so that the operation input can be made from the monitor display device whose operation is prohibited. As described above, the temporary rewriting of the software program itself is troublesome, and there is a problem that the reliability of the program is impaired.

The present invention has been made in view of the above-mentioned conventional problems, and the same plant operation monitoring operation screen is displayed by a plurality of monitor display devices, and the operation enable / disable setting is made for each monitor display device. It is an object of the present invention to provide a plant monitoring device capable of improving the productivity and maintainability of a program by enabling a common screen display program to deal with it even when it is necessary to do so.

It is another object of the present invention to provide a plant monitoring device capable of operating the plant from any plant display monitoring operation screen of any monitor display device as needed.

[0010]

According to a first aspect of the present invention, there is provided a plant monitoring device for displaying a plant operation monitoring operation screen for performing plant operation monitoring, and a plant operation monitoring operation screen for the monitor display device. A monitor control device to be displayed, a controller that receives a plant operation operation command to control the plant, a data transmission device that connects a plurality of monitor control devices to the controller,
By checking the monitor number identification means that identifies which monitor display device the monitor control device is currently displaying on the screen and the identification results of the station number identification means and the monitor number identification means with the specifications, the own monitor display device can be displayed. An operation enable / disable determining means for determining whether operation input is possible or operation prohibited from the displayed plant operation monitoring operation screen is provided.

According to a second aspect of the present invention, in the plant monitoring apparatus according to the first aspect, a screen forced operation mode is set which enables operation input from any of the plant operation monitoring operation screens displayed by each of the plurality of monitor display devices. The screen forced operation mode setting means is provided.

According to a third aspect of the present invention, in the plant monitoring device according to the first or second aspect, each monitor display device is provided with a touch operation device for performing a touch operation from a plant operation monitoring operation screen displayed by the monitor display device. .

[0013]

In the plant monitoring apparatus according to the first aspect of the present invention, each monitor control device causes the monitor display device connected to control itself to display a plant operation monitoring operation screen for performing operation monitoring of the plant.

The monitor control device identifies which monitor display device is currently under display control by the monitor number identification means, and the operability determination means collates the identification result of the monitor number identification means with the specifications. , Determine whether operation input is possible or prohibited from the plant operation monitoring operation screen displayed by the device.

Therefore, if there is an operation input on the plant operation monitoring operation screen of one of the monitor display devices, the monitor control device controlling the monitor display device is based on the determination result of the operation availability determination means. If the input is from an operable monitor display device, the corresponding operation is transmitted to the controller via the transmission device to execute the corresponding control, and conversely, if the input is from the operation prohibited monitor display device, the operation input is input. Ignore it without transmitting it to the controller.

In this way, by giving a common plant operation monitoring operation program and specifications to each monitor control device, operation input can be made only from an operable monitor display device, and the same operation screen is displayed at the time of system construction. In this case, only one type of program needs to be created regardless of whether it is operable or prohibited, and the productivity of program creation is improved, and at the same time the maintainability when changing the program is also improved.

According to a second aspect of the present invention, in the plant monitoring apparatus according to the first aspect, a screen compulsory operation mode is set which enables operation input from any of the plant operation monitoring operation screens displayed by each of the plurality of monitor display devices. By providing the screen forced operation mode setting means, it is possible to operate from any of the plurality of monitor display devices by setting the screen forced operation mode, thereby improving workability during maintenance.

According to a third aspect of the present invention, in the plant monitoring device according to the first or second aspect, each monitor display device is provided with a touch operation device that performs a touch operation from a plant operation monitoring operation screen displayed by the monitor operation device. The operation can be performed by a touch operation on the display screen of the monitor display device.

[0019]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 shows a common embodiment of the plant monitoring apparatus according to the inventions of claims 1 and 3. The plant monitoring apparatus of this embodiment is a NO. 1 station 8, NO. The monitor control devices 3 and 13 are connected to each of the two stations 18, and the NO. 1 monitor display device 1, 11 and NO. Two monitor display devices 2 and 12 are connected. These monitor display devices 1, 2; 1
It is assumed that the touch screens 1 and 12 are provided for touch operation.

Each of the monitor control devices 3 and 13 is provided with a monitor number identification section 4 and 14 for identifying the number of the monitor display device connected to the own device and a station number to which the own device is connected. Station number identification units 5 and 15 for identification are provided. The monitor control devices 3 and 13 are also provided with monitor display control units 6, 7; 16 and 17 for controlling the display screens of the respective monitor display devices connected to the device itself.

Next, the operation of the plant monitoring device having the above configuration will be described. The monitor number identifying sections 4 and 14 of the monitor control apparatuses 3 and 13 are sections that identify which monitor display apparatus the monitor control apparatus is currently displaying the plant operation monitoring operation screen. In the case of the embodiment, the monitor number identification unit 4 on the monitor control device 3 side is NO. 1 monitor display device 1 and NO. 2 It is identified that the screen is displayed on the monitor display device 2.
Also, the monitor number identification unit 14 on the monitor control device 13 side
Is NO. 1 monitor display device 11 and NO. 2 It is identified that the screen is displayed on the monitor display device 12.

The station number identification units 5 and 15 of the monitor control devices 3 and 13 respectively identify which station of the data transmission device 7 the monitor control device is currently connected to. In the case of the embodiment, the station number identification unit 5 on the monitor control device 3 side is NO. The station number identification unit 15 on the monitor control device 13 side identifies that it is connected to the No. 1 station 8. 2 It is identified that it is connected to the station 18.

Then, these monitor number identification units 4, 1
The identification data of No. 4 and the identification data of the station number identification units 5, 15 are given to the monitor display control units 6, 7; 16, 17 in each monitor control device 3, 13, and the monitor display control units 6, 7; Each of 17 determines whether the monitor display device controlled by the device itself is operable or prohibited based on the specifications given in advance, and if it is operable, the input by the touch operation is processed. It will be. That is, (1) NO.
Monitor controller 3 connected to one station 8
No. on the side. No. 1 monitor display control unit 6 is connected to it. 1 It is identified that the monitor display device 1 is operable, and (2) NO. No. 1 on the monitor control device 3 side connected to the first station 8. No. 2 monitor display control unit 7 is connected to it. 2 It is identified that the operation of the monitor display device 2 is prohibited, and (3) NO. Two
Monitor controller 1 connected to station 18
No. 3 side. No. 1 monitor display control unit 16 is connected to the NO. 1 It is identified that the monitor display device 11 is operable, and (4) NO. No. 2 on the monitor control device 13 side connected to the No. 2 station 18. No. 2 monitor display control unit 17 is connected to it. Two
It is identified that the monitor display device 12 is forbidden to operate.

Therefore, when the operator wants to perform some operation by touch operation on the touch panel of a monitor display device, if the monitor display device performing the operation is operation prohibited, it can be operated on the screen display. Even if it looks like it does not accept input from touch operation. On the contrary, if the monitor display device to perform the touch operation is operable, the monitor display control unit receives the input by the touch operation, and the input data by the touch operation is transmitted from the station through the data transmission device 9 to the programmable controller. (Not shown) to perform the appropriate control of the plant.

The processing in each of the monitor control devices 3 and 13 described above is actually realized by a software program, and its processing flow is shown in FIG. That is, the monitor display control units 6, 7; 16,
Each of the 17 identifies the station number to which its own control device is connected, collates with the preset specifications to determine whether the connected station is operable, and if it is operable, flag 1 Is turned on (step S1).

Subsequently, monitor display control units 6, 7; 1
Each of 6 and 17 identifies the number of the monitor display device connected to its own device and compares it with the specification to determine whether the monitor display device is operable or prohibited,
If it is operable, the flag 2 is turned on (step S2).

After the identification of the station number and the identification of the monitor display device number, each monitor display control unit 6,
7; 16 and 17 discriminate whether or not the monitor display device belonging to each station can operate or prohibit the operation from the combination of flag 1 and flag 2. That is, if both flags 1 and 2 are on, the operation is possible. If either flag is off, it is determined that the operation is prohibited. If the operation is possible, the flag 3 is turned on. If the operation is prohibited, the flag 3 is turned on. It is turned off (step S3).

Thus, the monitor display control units 6, 7; 1
When each of the monitor display devices 1, 2, 11, 12 connected to its own device is operable or prohibited, and the operator inputs a screen operation by a touch operation. If an input from an operable monitor display device is received, the data is transmitted from the station to the programmable controller through the data transmission device 9 (step S).
4).

When a plant control result by the programmable controller or a command from the programmable controller itself is input from the station to each monitor control device 3, 13 through the data transmission device 9, a screen display reflecting the processing result is displayed. It outputs to each monitor display device 1, 2; 11, 12 and updates the operation screens of all monitor display devices at the same time (station S5).

In this way, in the plant monitoring apparatus of this embodiment, the number of the monitor display device and the station number are identified by the software program for screen display control incorporated in the monitor control device, and each is checked by checking the specifications. It is determined whether the monitor display device is operable or prohibited, and accepts only the operation input from the operable monitor display device to control the plant and update the screen. The display control for any monitor display device can be performed based on the same one type of software program. As a result, the productivity at the time of creating the program is improved, and the maintainability at the time of changing the program is also improved.

Next, a common embodiment of the inventions of claims 2 and 3 will be described. FIG. 3 shows a system configuration of a common embodiment of claims 2 and 3. In this embodiment, the same parts as those of the system shown in FIG.

The feature of this embodiment is that the monitor display control units 6, 7;
2; 11 and 12 are displayed with a "screen forced operation" article as shown in FIG. 5, and by operating this, operation input can be temporarily enabled even from a monitor display device for which operation is prohibited. In order to do so, the screen forced operation input identification units 4A and 14A are added to the monitor control devices 3 and 13, respectively, and the switch keys 4B and 14B that are normally equipped for each monitor control device 3 and 13 are set to the operator position (ON). From the supervisor position (S
V) or the engineering position (EN), the monitor display control unit 6, 7; 16, 1
Each of the display screens 7 has a screen display of "screen forced operation" displayed on each of the monitor display devices 1, 2;

Therefore, the monitor display control units 6 and 7;
Each of 16 and 17 performs the processing operation as shown in the flowchart of FIG. 4, normally identifies the station number to which its own device is connected, and turns on flag 1 if the station can be operated by checking with the specification. Then
Then, the number of the monitor display device connected to the own device is identified, and if the monitor display device can be operated by checking the specification, the flag 2 is turned on (step S).
1, S2).

When a touch operation occurs on the screen of the monitor display device, it is determined whether the operation input is an operation on the monitor display device that can be operated or an operation on the monitor display device that is operation prohibited, and the operation monitor display is displayed. If it is an operation input in the apparatus, the flag 3 is turned on (step S3), the operation input processing is performed, and necessary output processing is performed (step S4) to correspond to the data from the programmable controller (not shown). And the screen is updated (step S5).

However, when it is desired to enable the touch operation from any monitor display device connected to the monitor control devices 3 and 13 (usually, such an operation occurs in the supervisor mode or the engineering mode). A monitor display device in which the monitor display control units 6 and 7 or the monitor display control units 16 and 17 are respectively connected to the own device by turning the switch key 4B or the switch key 14B to the supervisor position SV or the engineering position EN. An icon of "screen forced operation" as shown in FIG.

When a screen compulsory operation command is input by touching this icon, the screen compulsory operation input identification unit 4A or the screen compulsory operation input identification unit 14A identifies the input and the monitor display control units 6, 7 are displayed. Or give a screen forced operation command to the monitor display control units 16 and 17,
In response to this, the monitor display control units 6 and 7 can perform touch operation from any of the monitor display devices 1 and 2, and the monitor display control units 16 and 17 can perform touch operation from any of the monitor display devices 11 and 12. The flag 3 is forcibly turned on (steps S6 and S7).

In this way, the touch operation can be performed from either the monitor display device 1 or 2, or from any of the monitor display devices 11 and 12, especially at the time of initial adjustment, test, maintenance, etc.
Since the operation input can be performed even from the display screen of the monitor display device, which is normally operation prohibited, the workability is improved.

The present invention is not limited to the above embodiment, and the plant operation monitoring operation is not limited to the touch operation, and key operation, mouse operation, etc. may be performed. .

The number of monitor control devices is not particularly limited, and the number of monitor display devices connected to each monitor control device is also not particularly limited.

[0040]

As described above, according to the invention of claim 1,
The monitor control device identifies which monitor display device the display control device is currently controlling by the monitor number identification means, and the operability determination means compares the identification result of the monitor number identification means with the specification, thereby Determine whether operation input is possible or prohibited from the displayed plant operation monitoring operation screen, and if there is an operation input on the plant operation monitoring operation screen of any monitor display device, control that monitor display device. Based on the determination result of the operation possible / impossible determination means, if the monitor control device that is operating inputs from the operable monitor display device, the corresponding operation is transmitted to the controller through the data transmission device and the corresponding control is executed, On the contrary, if it is an input from a monitor display device that is operation prohibited, that operation input is ignored, so it is common. Runt operation monitoring operation program and specifications to allow the operation input only from the monitor display device operable by keeping given to each monitor control device 1 regardless of the operational / disable at system configuration
Since it suffices to create a screen display program of a kind and incorporate it into each monitor control device, the productivity of the program creation can be improved, and at the same time, the maintainability at the time of changing the program can also be improved.

According to the invention of claim 2, in addition to the invention of claim 1, a screen forced operation mode that enables operation input from any of the plant operation monitoring operation screens displayed by each of the plurality of monitor display devices is provided. Since it has a screen forced operation mode setting means for setting, it can be operated from any of multiple monitor display devices by setting the screen forced operation mode, and it can be used during testing, adjustment and maintenance. Workability can be improved.

According to the invention of claim 3, in the invention of claim 1 or 2, by providing each monitor display device with a touch operation device for performing a touch operation from the plant operation monitoring operation screen displayed by them, the plant Operation can be performed by touch operation on the display screen of the monitor display device,
Operation becomes easy.

[Brief description of drawings]

FIG. 1 is a system configuration diagram of a common embodiment of the inventions of claims 1 and 3. FIG.

FIG. 2 is a flowchart showing the operation of the above embodiment.

FIG. 3 is a system configuration diagram of a common embodiment of the inventions of claims 2 and 3.

FIG. 4 is a flowchart showing the operation of the above embodiment.

FIG. 5 is an explanatory diagram showing an example of a screen forced operation icon in the above embodiment.

FIG. 6 is a system configuration diagram of a conventional example.

FIG. 7 is an explanatory diagram showing an icon display of a conventional automatic / manual switching operation.

[Explanation of symbols]

 1, 11 NO. 1 monitor display device 2, 12 NO. 2 monitor display device 3,13 monitor control device 4,14 monitor number identification unit 4A, 14A screen forced operation input identification unit 4B, 14B switch key 5,15 station number identification unit 6,16 NO. 1 monitor display controller 7, 17 NO. 2 Monitor display control unit 8, NO. 1 station 9 data transmission device 18 NO. 2 stations

Claims (3)

[Claims] 1. A monitor display device for displaying a plant operation monitoring operation screen for performing plant operation monitoring, a monitor control device for displaying the plant operation monitoring operation screen on the monitor display device, and a plant operation operation command. A controller for controlling the plant, a data transmission device for connecting a plurality of the monitor control devices to the controller, and a monitor number identification means for identifying which monitor display device the monitor control device is currently displaying on the screen. An operation availability determination means for determining whether the operation input is possible or prohibited from the plant operation monitoring operation screen displayed on the own monitor display device by comparing the identification result of the monitor number identification means with the specification. A plant monitoring device comprising. 2. The plant monitoring apparatus according to claim 1, wherein a screen forced operation mode is set to enable operation input from any of the plant operation monitoring operation screens displayed by each of the plurality of monitor display devices. A plant monitoring device comprising mode setting means. 3. The plant monitoring device according to claim 1, wherein each monitor display device is provided with a touch operation device that performs a touch operation from a plant operation monitoring operation screen displayed by each monitor display device.