JPH0981231A - Method for setting up plant monitoring information and plant monitoring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a plant monitoring information setting method and a plant monitoring device capable of easily registering a process amount input point and reducing operator's operation load. SOLUTION: A plant monitoring screen is displayed, an interactive screen for displaying a trend graph of process amounts included in the plant monitoring screen is displayed, a PID window indicating the input points of all process amounts included in the plant monitoring screen is displayed, and an input point to be displayed on the trend graph is selected out of all the process amounts included in the plant monitoring screen and displayed on the PID window and set up on the interactive screen. Consequently plural points can easily be registered.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant for registering a process amount input point to be monitored in a man-machine interface using an input device while displaying the process amount of a plant on a display device for monitoring. The present invention relates to a monitoring information setting method and a plant monitoring device.

[0002]

2. Description of the Related Art Generally, a plant is monitored by displaying a process amount of the plant on a display device. That is, the state of the plant is displayed together with the system diagram of the plant on a display device that can be displayed as a screen such as a CRT display device, and the time variation of the process amount is displayed as a trend graph. In such a plant monitoring device, it may be desired to newly register or change the process amount to be monitored. Therefore, the man-machine interface of the plant monitoring device is used to display and monitor the process amount of the plant on the display device, and the process amount input point PID can be registered or changed.

FIG. 18 is a block configuration diagram of such a plant monitoring device, showing a configuration of a portion related to point registration of a process amount input point. On the display device 1 such as a CRT display device, based on a command from the input device 2, a plant monitoring screen, an interactive screen for registering points of the process amount input point PID, and the like are displayed. That is, the information from the operator input from the input device 2 is input to the point registration function processing means 13 via the input means 3.

Of the plant monitoring screen information displayed on the display device 1, fixed data such as the pattern of the system diagram and the vertical and horizontal axes of the graph is stored in the fixed screen information storage means 4, and the plant monitoring screen information is stored. Data that changes according to the state of the plant, such as display position, PID, display color, display type, etc., is stored in the variable screen information storage means 5. Further, in the PID information storage means 6, the PID number, name, range,
Plant interface input / output specific information such as decimal digits is stored. Then, the screen information for dialogue with the operator is stored in the dialogue screen storage means 9, and the input point points of registration and change set by the dialogue with the operator are registered in the point registration storage means 7 as registration information. . Further, the drained data collection / storing means 11 collects data on the process amount from the PID registered in the point registration / storing means 7.

The point registration function processing means 13 creates display data for the display device 1 based on the information from the input means 3 and displays it on the display device 1 via the output means 8. In addition, in order to register or change the process amount input point, PI
When a point registration request is made by the D window, the corresponding PID is searched based on the touch coordinates on the display screen of the display device 1 by referring to the variable screen information storage means 5, and the searched PID is stored in the point registration storage means 7. Register or

FIG. 19 shows a point registration function processing means 13
3 shows a detailed block configuration diagram of FIG. First, in the point registration function processing means 13, the information from the input device 1 input via the input means 3 is determined by the function determination means 133. That is, the function determining unit 133 determines whether the plant monitoring screen display request, the interactive screen display request, or the PID.
It is determined whether it is a window display request or a point registration request from the PID window.

A request for displaying the plant monitoring screen by the operator is made by a push button having a screen name imprinted thereon, or by keying in a screen number from the input device 2. In this case, the monitoring screen display means 130 takes out the data of the request screen from the fixed screen information storage means 4 and the variable screen information storage means 5 based on the screen number notified from the function determination means 133, and edits the display data. , Is displayed on the display device 1 as a plant monitoring screen via the output means 8.

The interactive screen display request is a screen display request such as a trend graph display screen or a trend item change screen. After the screen is displayed, point registration or change is performed. The dialog screen is overwritten on a part of the plant monitoring screen. For example, when a request to display the trend display screen is made while the plant monitoring screen is being displayed, the interactive screen display means 13
1, the interactive screen information is retrieved from the interactive screen storage unit 9 based on the interactive screen display request notified by the function determination unit 133, and the point registration information such as trend graph display items is retrieved from the point registration storage unit 7 and displayed. Edit the data for use. Then, the display device 1 is output via the output means 8.
As shown in FIG. 20A, the trend display screen 14 is overwritten on a part of the currently displayed plant monitoring screen 15.

When changing the point registration information on the trend graph display screen 14 displayed as an interactive screen, the operator changes the PID number. As a method of changing the PID number, the PID number can be keyed in from the input device 1, but can also be input from the variable information in the plant monitoring screen 15 being displayed.

First, the operator makes a display request for the PID window. Thereby, the request is the function determination means 1
The PID window display means 132 is notified via 33. The PID window display means 132 refers to the variable screen information storage means 5 based on the coordinate data on the plant monitoring screen 15 designated by the operator, and the display coordinates stored in the variable screen information storage means 5 are used as the starting points. It is determined whether the coordinates input from the point registration means 134 are within the range, and the variable display PI is within the range.
Search for D. The PID name is retrieved from the PID information storage means 6 based on the searched PID, the PID and the name are edited into display data, and the display device 1 is displayed on the display device 1 via the output means 8 as shown in FIG. Display the PID window 16.

By touching the PID window 16, the trend graph display screen 14 which is an interactive screen is displayed.
Transfer the PID to and register points. FIG. 20B shows that PID "A0001" is registered. When the operator touches the PID window 16, the information is notified to the point registration means 134 from the function determination means 133, and the point registration means 13 is notified.
4 registers the PID number displayed in the PID window in the point registration storage means 7. Also, the function determination means 1
33 makes a display request due to the point change occurring in the interactive screen display means 131. As a result, the interactive screen display means 131 makes a screen display request to the output means 8, and the display content of the trend graph display screen 14, which is an interactive screen, is changed to the PID information requested by the operator to change.

In the above description, the plant monitoring screen is displayed, the PID window is displayed on the plant monitoring screen, and the trend display items are registered or changed. However, the trend graph display screen is directly displayed and the trend is displayed. The case of registering or changing trend display items on the graph display screen will be described.

FIG. 21 shows a block diagram of such a plant monitoring device. In the point registration function processing means 13, the function determining means 133 inputs the information from the input device 1 via the input means 3 and determines the information. That is, it is determined whether the trend graph display screen display request or the point registration request is made.

The trend graph display request by the operator is made by a push button having a screen name imprinted thereon, or by keying the screen number from the input device 2. In this case, the interactive screen display means 131 stores the data of the screen requested to be displayed based on the screen number notified by the function determination means 133, the interactive screen information storage means 9, the point registration information storage means 7, and the trend data collection storage means 11. The data is taken out, edited into display data, and displayed on the display device 1 as a trend graph display screen via the output means 8.

When the point registration information on the trend graph display screen displayed on the display device 1 is changed, the operator changes the PID number. The PID number can be changed from the input device 1 to the PID. This is done by keying in the number.

When the operator makes a display request for the trend item display screen, the display request is made by the function determining means 1.
33 is notified to the trend item display means 135. Then, the trend item display means 135 refers to the dialogue screen storage means 9, the point registration storage means 7, and the PID information storage means 6, edits the point information currently registered as the trend graph item into display data, and outputs the display data. Means 8
It is displayed on the display device 1 via.

The request for changing the registered PID is sent to the function judging means 13
3 was notified, and the point registration means 134 entered P
The ID number is registered in the point registration storage means 7.

Further, the function judging means 133 makes a display request due to the point change in the interactive screen display means 131, and the interactive screen display means 131 makes a display request for the changed screen to the output means 8. The trend graph display screen is changed to the PID information requested by the operator.

The trend data collecting means 136, according to the PID information registered in the point registration storing means 7,
Data is collected at a predetermined collection cycle, and the collected data is accumulated in the trend data collection / storing means 11.

[0020]

However, the above-described conventional plant monitoring information setting method and plant monitoring device have the following inconveniences. (1) When registering points from the PID window 16 to an interactive screen such as the trend graph display screen 14, the PID window 16 can be displayed only one point at a time. 16 display requests were made multiple times, and PID window 1
The point registration from 6 needs to be repeated many times, and the operation is troublesome. (2) Since both the plant monitor screen 15 and the interactive screens such as the trend graph display screen 14 are displayed on one display device, information setting such as point registration is performed.
The display screen on the display device becomes smaller. Therefore, the touch operation is difficult and the operation becomes complicated. Further, the plant monitoring screen may be hidden by the window display or the interactive screen display, which may hinder the plant monitoring. (3) When performing point registration using the PID window 16, only the items registered in the variable screen information used in the displayed plant monitoring screen 15 can be registered. ineffective. (4) Since the point registration item for trend graph display and the trend data collection item are the same, when the point registration on the trend graph display screen 14 is full, it is difficult to register a new process amount input point. Is. When registering new points, it is necessary to delete any one of the registered points to make a space and then newly register points. Therefore, the burden on the operator is large.

An object of the present invention is to provide a plant monitoring information setting method and a plant monitoring apparatus which can easily perform point registration of process amount input points and reduce the operator's operation load.

[0022]

A plant monitoring information setting method according to the invention of claim 1 displays a plant monitoring screen and an interactive screen for displaying a trend graph of a process amount included in the plant monitoring screen. , P indicating the input points of all process quantities included in the plant monitoring screen
The ID window is displayed, and an input point for displaying a trend graph is selected from all the process amounts included in the plant monitoring screen displayed in the PID window and set on the dialog screen.

All PIDs included in the plant monitoring screen
Is displayed on the PID window, it is possible to easily register a plurality of points.

In the plant monitoring information setting method according to the second aspect of the present invention, the plant monitoring screen is displayed on the first display device, and the interactive screen for displaying the trend graph of the process amount included in the plant monitoring screen is displayed on the second display device. The PID window showing the input points of the process amount is displayed on the first display unit, and the trend graph is displayed by indicating the input point displayed on the PID window. The process amount to be set is set on the interactive screen displayed on the second display device.

Since the plant monitoring screen and the dialog screen are displayed on different display devices, it is possible to prevent the situation where the plant monitoring screen is hidden by the dialog screen.

In the plant monitoring information setting method according to the third aspect of the present invention, a plant monitoring screen is displayed, an interactive screen for displaying a process amount trend graph included in the plant monitoring screen is displayed, and each process amount is displayed. A PID window showing a plurality of process amount input points related thereto is displayed, and the input points displayed in the PID window are designated to set the process amount for trend graph display on the interactive screen.

Since the related PIDs are collectively displayed in the PID window, the operability of the point registration operation can be improved.

In the plant monitoring information setting method according to the invention of claim 4, the process amount scheduled to be displayed in the trend graph is set by grouping by setting the input points displayed on the trend item display screen, and the process amount trend is set. Display the trend graph display screen for displaying the graph, and display the trend item display screen showing the input points by grouping the multiple process quantities that are to be displayed in the trend graph on the trend graph display screen. A group for displaying a trend graph is designated from among the groups, and data collection of the process amount belonging to the group is set.

In the plant monitoring apparatus according to the invention of claim 5, the point registration function processing means corresponds to the fixed screen information storage means and the variable screen information storage means when the input information from the input device is a display request for the plant monitoring screen. Monitoring screen display means for taking out the plant monitoring screen data and displaying it on the display device as a plant monitoring screen, and interactive screen information storage means, point registration information storage means and PID when the input information from the input device is a request to display the interactive screen. Interactive screen display means for displaying an interactive screen for registering the process amount input point of the trend display on the display device with reference to the information storage means,
When the input information from the input device is a PID window display request, the variable screen information storage means and the PID information storage means are referred to for plant monitoring of all items of the process amount input points included in the plant monitoring screen displayed on the display device. PID window display means for displaying in a window format on the screen,
When the input information from the input device is a registration request of the process amount input point by selecting the PID window, the process amount input point information retrieved from the coordinate data stored in the variable screen information storage means is stored in the point registration storage means. It is provided with a registration means.

The monitoring screen display means displays the plant monitoring screen on the display device, and the interactive screen display means displays the interactive screen on the display device. Then, the PID window display means PIs a plurality of PIDs included in the plant monitoring screen at a time.
It is displayed on the display device as a D window.

A plant monitoring apparatus according to the invention of claim 6 is provided with two display devices, a first display device and a second display device, and the point registration function processing means monitors the plant information input from the input device. In the case of a screen display request, monitoring screen display means for extracting the corresponding plant monitoring screen data from the fixed screen information storage means and the variable screen information storage means and displaying it on the first display device as a plant monitoring screen on the display device, and an input device When the input information from the display request is an interactive screen display request, the interactive screen information storage means, the point registration information storage means and the PID information storage means are referred to and the interactive screen for the process amount input point registration of the trend display is displayed on the second display device. Means for displaying the interactive screen, variable screen information storage means and PID information when the input information from the input device is a PID window display request PID window display means for displaying the process amount input point corresponding to the display request in a window format on the plant monitoring screen of the first display device by referring to the existing means, and the process in which the input information from the input device is selected by the PID window. In the case of requesting the registration of the quantity input point, the point registration means for storing the process quantity input point information retrieved from the coordinate data stored in the variable screen information storage means in the point registration storage means is provided.

The monitor screen display means displays the plant monitor screen on the first display device, and the dialogue screen display means displays the dialogue screen on the second display device. Then, the PID window display means displays the PID window on the first display device, and the result of registration or change of point registration is displayed on the interactive screen of the second display device.

The plant monitoring apparatus according to the invention of claim 7 is provided with point group data storage means for storing a plurality of process quantity input points related to each process quantity as a group, and the point registration function processing means is provided with an input device. When the input information of is a request to display the plant monitor screen, the monitor screen display means for extracting the corresponding plant monitor screen data from the fixed screen information storage means and the variable screen information storage means and displaying it as the plant monitor screen on the display device, and the input device When the input information from is a request for displaying an interactive screen, the interactive screen information storage means, the point registration information storage means, and the PID information storage means are referred to, and the interactive screen for the process amount input point registration of the trend display is displayed on the display device. When the input information from the interactive screen display means and the input device is a PID window display request PID window display means for displaying a plurality of process amount input points of the group to be displayed from the point group data storage means and also referring to the PID information storage means in a window format on the plant monitoring screen being displayed on the display device, When the input information from the input device is a registration request of the process amount input point by selecting the PID window, the process amount input point information retrieved from the coordinate data stored in the variable screen information storage means is stored in the point registration storage means. It is provided with a registration means.

The monitor screen display means displays the plant monitor screen on the display device, and the dialogue screen display means displays the dialogue screen on the display device. And the PID window display means is
The PIDs of a plurality of points related to the process amount stored in the point group data storage means are displayed on the display device at once as a PID window.

The plant monitoring apparatus according to the invention of claim 8 is provided with a trend item group registration means for grouping a plurality of process quantities scheduled to be displayed in a trend graph on an interactive screen and storing those input points. When the input information from is a request to display the trend graph display screen, the interactive screen display means for extracting the data from the interactive screen storage means, the point registration storage means and the trend collection storage means and displaying the data as a trend graph display screen on the display device, and the input When the input information from the device is the display request of the trend item display screen, the interactive screen saving means, the point registration saving means,
The trend item display means for displaying the trend item display screen on the display device with reference to the trend item group registration storage means and the PID information storage means, and the operator input when the input information from the input device is a data change request for the trend item group The process amount input point is registered in the trend item group registration / storing means, and when the input information from the input device is a change request of the trend graph collection item, the trend item group registration / storing means is referred to and the process amount of the group specified by the operator And a point registration means for registering the input point in the point registration storage means.

The interactive screen display means displays the trend graph display screen on the display device, and the trend item display means displays the PIDs of a plurality of process quantities which are stored in the trend item group registration means and are to be displayed in the trend graph. The point registration means stores the PID of the process amount for changing the contents stored in the trend item group registration means and displaying the trend in the point registration storage means. Accordingly, the points for displaying the trend graph are registered in the trend item group registration means, and the registration of the trend data collection items is performed in the point registration storage means.

[0037]

Embodiments of the present invention will be described below. FIG. 1 is a flowchart showing the first embodiment of the present invention. In the first embodiment, all PIDs included in the plant monitoring screen are displayed in the PID window.

In FIG. 1, first, a plant monitoring screen is displayed on the display device (S1). The operator monitors the plant based on this plant monitoring screen. Next, when a process amount input point (trend item) to be monitored is added or changed, point registration or change is performed. For this purpose, the operator displays an interactive screen on the display screen of the same display device, overlapping the plant monitoring screen (S2). This interactive screen is an interactive screen for displaying the trend graph of the process amount included in the plant monitoring screen. Next, the PI showing the input points of all the process amounts included in the plant monitoring screen
The D window is displayed on the display screen of the same display device (S3). Then, an input point for displaying a trend graph is selected from all process quantities included in the plant monitoring screen displayed in the PID window and set on the dialog screen (S4). As a result, all PIDs included in the plant monitoring screen are displayed on the display device at once, so that it is possible to easily register a plurality of points.

Next, FIG. 2 is a block diagram of the plant monitoring system according to the first embodiment of the present invention. FIG.
The structure is the same as that of the conventional example shown in FIG. 0, but the point registration function processing means 13a has an improved processing function. That is, the PID window display means 132a allows the PIDs of a plurality of points included in the plant monitoring screen to be displayed at once.
It is characterized in that it is displayed on the display device 1 as an ID window.

In the point registration function processing means 13a according to the first embodiment, the monitor screen display means 13 displays the plant monitor screen on the display device 1, and the interactive screen display means 13 is displayed.
1 displays an interactive screen on the display device 1. And PID
The window display means 132a displays the PIDs of a plurality of points included in the plant monitoring screen on the display device 1 at once as PID windows. When the point registration or change of the process amount input point is designated on the PID window, the point registration means 134 registers the PID in the point registration storage means 7. As described above, the point registration function processing means 13a according to the first embodiment is mainly composed of 4 units.
It has one processing function and will be described below for each processing function of the point registration function processing means 13a.

In FIG. 2, the request for displaying the plant monitoring screen is made from the input device 2, and the display of the plant monitoring screen is made in the same manner as in the conventional example. That is, a request to display the plant monitoring screen is input to the input unit 3 by pressing a push button with a screen name stamped or inputting a screen number from the input device 2. The function determination unit 133a determines this input information as a display request for the plant monitoring screen and notifies the monitoring screen display unit 130 of the request. Monitoring screen display means 13
0 takes out the corresponding screen data from the fixed screen information storage means 4 and the variable screen information storage means 5 based on the passed screen number and edits it as display data. The edited data is output to the output means 8 and displayed on the display device 1 as a plant monitoring screen.

When the operator makes a display request for an interactive screen such as a trend graph display screen on the plant monitoring screen, the interactive screen is overwritten on a part of the plant monitoring screen. Change trend items on this dialog screen. Then, after the change, the screen is displayed to complete the point registration and the change.

For example, by pressing a push button having a screen name stamped from the input device 2 or by inputting a screen number, a trend graph display screen display request is made by the input means 3.
Is input to When a trend display request is made while the plant monitoring screen is being displayed, the function determination unit 133a determines the request as a trend graph display request and notifies the interactive screen display unit 131 of the trend graph display request. The interactive screen display means 131 retrieves the corresponding screen data from the interactive screen storage means 9 based on the passed trend graph display request, retrieves the corresponding trend graph display point item from the point registration storage means 7, and The PID name is taken out from the PID information storage means 6 and edited as display data. The edited data is output to the output means 8, and the data shown in FIG.
As shown in (a), the trend display screen 1 which is an interactive screen is partly displayed on the plant monitoring screen 15 being displayed on the display device 1.
4 is overwritten and displayed.

Next, the operator displays the plant monitoring screen 15
When the variable screen information displayed on the screen is registered in the trend graph display screen as points, a PID window display request is made from the input device 2. When this PID window display request is input to the input means 3, the function determination means 13
3a discriminates the request as a PID window display request and notifies the PID window display means 132a.

The PID window display means 132a extracts the data of the plant monitoring screen currently displayed from the variable screen information storage means 5 and extracts the coordinate data and PID of all items displayed as the variable screen from the extracted information. At the same time, referring to the PID information storage means 6, the name data of the extracted PID is taken out. Then, the retrieved data is edited as display data. The edited data is output to the output means 8 as a PID window,
As shown in FIG. 3B, the PID window 16 is overwritten and displayed on the plant monitoring screen 15.

When points are registered on the trend graph display screen 14 for the items displayed as the PID window 16, as shown in FIG.
The operator touches the ID window 16a to specify it. When this registration request is input to the input unit 3, the function determination unit 133a determines the registration request as a point registration request by the PID window 16a and notifies the point registration unit 134 of the point registration request. Point registration means 1
Reference numeral 34 retrieves the PID number from the coordinate data of the display screen of the display device 1 stored in the variable screen information storage means 5,
The searched PID information is registered in the point registration storage means 7.

Further, the function judging means 133a makes a redisplay request due to the point registration occurring in the interactive screen display means 131, and the interactive screen display means 131 issues a screen display request to the output means 8 as described above. Do it. As a result, as shown in FIG. 4B, the trend graph display screen 1
4 is changed to the point requested by the operator for change and displayed on the display device 1. FIG. 4B shows a case where the PID “A002” is point-registered on the trend display screen 14.

As described above, the point registration of the process amount input point in the case of changing the trend item is performed by displaying the plant monitoring screen 15 including the system diagram of the plant to be monitored on the display device 1. And this plant monitoring screen 1
The trend graph display screen 14 is displayed on the screen 5 to change the trend item. That is, the operator is the PID
The number is changed, the PID window 16 is displayed from the variable information on the displayed plant monitoring screen 15, and the point is designated by the PID window 16 to input.

In the first embodiment, the point registration function processing means 13a refers to the variable screen information storage means 5 and the PID information storage means 6 in response to an operator's PID window display request, and monitors the plant being displayed. Screen 1
All the PIDs and names of the variable information 5 are displayed in a window format on the currently displayed screen. When the operator makes a point registration request by selecting a PID window, the point registration function processing means 13a searches the coordinate data stored in the variable screen information storage means 5 for a PID number and registers the searched PID information as points. It is stored in the storage unit 7.

As described above, according to the first embodiment, when the points are registered from the PID window 16 to the interactive screen such as the trend graph display screen, the point information of all stores registered in the variable screen information is displayed. The points are displayed at one time in the PID window 16 and the points are registered from the PID window in which all the points are displayed. Therefore, the operability at the point registration is improved.

Next, a second embodiment of the present invention will be described. FIG. 5 is a flow chart showing the second embodiment of the present invention. In the second embodiment, the plant monitoring screen and the dialogue screen are displayed on different display devices.

In FIG. 5, first, a plant monitoring screen is displayed on the first display device (S1). The operator then monitors the plant. Next, when a process amount input point (trend item) to be monitored is added or changed, point registration or change is performed. Therefore, the operator displays an interactive screen on the display screen of the second display device different from the first display device on which the plant monitoring screen is displayed (S2). This interactive screen is an interactive screen for displaying the trend graph of the process amount included in the plant monitoring screen. Next, the PID window showing the input points of the process amount for displaying the trend graph for each process amount is displayed on the plant monitoring screen of the first display device (S3). Then, the input point displayed in the PID window on the plant monitoring screen of the first display device is designated, and the process amount input point for displaying the trend graph is selected. It is set on the interactive screen displayed on the display device (S4). Therefore, it is possible to prevent the situation where the plant monitoring screen is hidden by the dialog screen.

FIG. 6 is a block diagram of a plant monitoring system according to the second embodiment. As shown in FIG.
Two display devices, a first display device 1 and a second display device 1 ', are provided, and points are registered using these two display devices. A plant monitoring screen is displayed on the first display device 1. Is displayed, and the trend graph display screen is displayed on the second display device 1 ′.

First display device 1 and second display device 1 '
To the input device 1, 1 ′ input means 2,
2 ', output means 8 and 8', and similarly, point registration function processing means 13b and 13b 'are provided for the first display device 1 and the second display device 1', respectively. . That is, the monitoring screen display means 130, 13
0 ', dialogue screen display means 131, 131', PID window display means 132, 132 ', function determination means 13
3, 133 ', point registration means 134, 134',
It is provided for each of the first display device 1 and the second display device 1 ′.

Communication means 137 and 137 'are provided so that information can be exchanged between the first display device 1 and the second display device 1'. The display method of the plant monitoring screen and the trend graph display screen is the same as that described in the first embodiment.

As shown in FIG. 7, the plant monitoring screen 15 is displayed on the first display device 1 and the trend graph display screen 14 is displayed on the second display device 1 '. The operator displays the plant monitoring screen 15 displayed on the first display device 1.
When the variable screen information of (1) is registered on the trend graph display screen 14 of the second display device 1 ′, a PID window display request is issued from the first display device 1 from the input device 2. When this PID window display request is input to the input means 3, the function determination means 133b sends the request to the PID.
When the window display request is determined, the PID window display means 132 is notified.

The PID window display means 132 extracts the data of the plant monitoring screen currently displayed from the variable screen information storage means 5 and extracts the coordinate data and PID of all items displayed as the variable screen from the extracted information. At the same time, referring to the PID information storage means 6, the name data of the extracted PID is taken out. Then, the retrieved data is edited as display data. The edited data is output to the output means 8 and, as shown in FIG.
The ID window 16 is overwritten and displayed on the plant monitoring screen 15 of the first display device 1.

When points are registered in the trend graph display screen 14 for the items displayed in the PID window 16,
As shown in FIG. 9, the PID window 16 of the point to be registered is designated by touching. When this request is input to the input means 3, the function determination means 133b sends the request to P
The point registration means 134b is notified when it is determined that the point registration request is made by the ID window 16. The point registration unit 134b searches for the PID number from the coordinate data stored in the variable screen information storage unit 5, and the searched PI
The D information is transferred from the communication means 137 to the communication means 137 '.

The point registration means 134b 'is the communication means 1
The point requested for registration is received from the PID window 16 via 37 'and registered in the point registration storage means 7. The point registration means 134b 'notifies the function determination means 133b' that the points have been changed. Upon receiving the notification, the function determination unit 133b 'requests the interactive screen display unit 131' to redisplay due to the point change, and the interactive screen display unit 131 '
Similar to the above, a screen display request is issued to the output means 8 '.
Then, as shown in FIG. 10, the trend graph display screen 14 is changed to the point requested by the operator for change and displayed on the display device 1 ′. In FIG. 10, PID “A
“0001” indicates the registered one.

As described above, in the second embodiment, there are two display devices, and the plant monitoring screen 1 is displayed on the first display device 1.
5 is displayed, and an interactive screen such as the trend graph display screen 14 is displayed on the first display device 1 '. Then, when changing the point registration item of the trend graph display screen 14, the operator makes a display request of the PID window 16 on the first display device 1 on which the plant monitoring screen 15 is displayed. This operator request is made on the plant monitoring screen 15
Is displayed, the point registration function processing means 13b on the side of the first display device 1 refers to the variable screen information storage means 5 and the PID information storage means 6, and refers to the variable information PID of the plant monitoring screen 15 being displayed. And the names are displayed in a window format on the screen displaying all items.

When the operator makes a point registration request by selecting the PID window, the point registration function processing means 13b retrieves the PID number from the coordinate data stored in the variable screen information storage means 5 and retrieves it. The PID information is notified to the point registration function processing means 13b 'on the side where the trend graph display screen 14 is displayed. The point registration function processing means 13b ′ of the CRT on the side where the trend graph display is notified, saves the notified PID information in the point registration saving means 7.

According to the second embodiment, it becomes possible to perform point registration using two display devices.
The touch operation on the screen becomes easier and the operation becomes easier. Further, it is possible to prevent the plant monitoring screen from being hidden by the window display or the interactive screen display, which reduces the burden on the operator and prevents erroneous operations.

Next, a third embodiment of the present invention will be described. FIG. 11 is a flowchart showing the third embodiment of the present invention. This third embodiment is related PI
The Ds are collectively displayed in one PID window.

In FIG. 11, first, a plant monitoring screen is displayed on the display device (S1). The operator monitors the plant based on this plant monitoring screen. Next, when a process amount input point (trend item) to be monitored is added or changed, point registration or change is performed. For this purpose, the operator displays an interactive screen on the display screen of the same display device, overlapping the plant monitoring screen (S2). This interactive screen is an interactive screen for displaying the trend graph of the process amount included in the plant monitoring screen.

Next, a PID window showing a plurality of process amount input points related to each process amount is displayed. (S3). An input point displayed on the PID window is designated to set a process amount for displaying a trend graph on the interactive screen (S4). Thus, the associated PID
Are collectively displayed in the PID window, the operability of the point registration operation can be improved.

FIG. 12 is a block diagram of a plant monitoring system according to the third embodiment. In the second embodiment, point group data storage means 12 is added to the block configuration diagram of the first embodiment shown in FIG. In the point group data storage means 12, a plurality of related process amount input points are stored in advance as a group. For example, when the monitored object is a low-pressure heater, the low-pressure heater outlet temperature, the low-pressure heater outlet flow rate, the low-pressure heater outlet pressure, the low-pressure heater outlet fully open, the low-pressure heater outlet fully closed, etc. are set as one of a plurality of related process amount input points. It is stored in advance as one group.
The request for displaying the plant monitoring screen and the request for displaying the trend graph display screen are made based on a command from the input device 2 as in the first embodiment.

The operator first displays the plant monitoring screen 15 on the display device 1, as shown in FIG.
Then, the trend graph display screen 14 is displayed overlaid on the plant monitoring screen 15. Next, when the operator performs point registration of the variable screen information displayed on the plant monitoring screen 15 on the trend graph display screen 14, the operator issues a PID window display request from the input device 2.

When this PID window display request is input to the input means 3, the function determination means 133c determines that the request is a display request for the PID window 16, and the PID window display request.
The window display means 132c is notified. The PID window display unit 132c refers to the point group data storage unit 12, and the PID registered in the group in which the coordinate data touch-input by the operator and the coordinate data stored in the point group data storage unit 12 match. And the PID information storage means 6 is referred to, and the name data of the extracted PID is taken out. Then, the retrieved data is edited as display data.
The edited data is output to the output means 8 and is shown in FIG.
As shown in (b), the PID window 16 is overwritten and displayed on the plant monitoring screen 15.

When the trend item of the related process amount input point displayed on the PID window 19 is point-registered on the trend graph display screen 14, FIG.
As shown in, the PID in the PID window 16 of the point to be registered is designated by touching. When this registration request is input to the input means 3, the function determination means 133c
Discriminates the registration request from the point registration request by the PID window 16 and notifies the point registration means 134. Upon receiving the notification, the point registration means 134 retrieves the PID number from the point group data storage means 12 and registers the retrieved PID information in the point registration storage means 7.

Further, the function judging means 133c makes a request for re-display due to the occurrence of points on the interactive screen display means 131, and the interactive screen display means 131 makes a display request for the screen to the output means 8. As shown in FIG. 14B, the trend graph display screen 14 is changed to the point requested by the operator and displayed on the display device 1. FIG. 14B shows that the PID “A0001” is registered as a trend item.

As described above, in the third embodiment, the operator makes a display request for the PID window 16, and the point registration function processing means 13c causes the point group data storage means 12 and the PID information storage means 6 to be displayed in response to this display request. With reference to this, the PIDs and names of all the items registered in the group that match the coordinates touched by the operator are displayed in a window format on the currently displayed screen. Then, the operator selects the PID in the PID window 16.
When the point registration request is made by selecting, the point registration function processing means 13c searches the PID number from the data stored in the point group data storage means 12, and the searched PID information is stored in the point registration storage means 7. save.

According to the third embodiment, when points are registered using the PID window 16, not only those registered in the variable screen information used in the displayed plant monitoring screen 15 but also those registered in the variable screen information are used. , It becomes possible to display a plurality of related points at the same time, which improves the operability when registering points.

Next, a fourth embodiment of the present invention will be described. FIG. 15 is a flow chart showing the fourth embodiment of the present invention. In the fourth embodiment, the PIDs to be displayed in the trend graph are divided into groups and set in advance, and the group for displaying the trend graph is set among these groups. With this setting, data collection of the process amount belonging to the group is performed.

In FIG. 15, the operator designates the input points displayed on the trend item display screen to group and set the process amounts to be displayed in the trend graph (S1). Then, when registering the trend items in a group, a trend graph display screen for displaying the trend graph of the process amount is displayed (S2), and a plurality of processes scheduled to display the trend graph are displayed on the trend graph display screen. The quantities are divided into groups and the trend item display screen showing the input points is displayed (S
3). Next, of the groups of process amount input points displayed on the trend item display screen, a group for displaying a trend graph is designated, and data collection of process amounts belonging to the group is set (S4).

FIG. 16 is a block diagram of a plant monitoring system according to the fourth embodiment. In the fourth embodiment, the display of the plant monitoring screen is omitted and the trend graph display screen is directly displayed on the display device 1. The display request for the trend graph display screen is
In the same way as in the embodiment of FIG. A trend item group registration / storing means 10 for presetting process amount input points for trend display is also provided.

That is, in the fourth embodiment, the trend item group registration / storing means 10 is used to register the process amount input point for the trend display. This registration is done for each group. Then, in order to display the trend of the process amount input points registered in the trend item group registration / storing means 10, a trend graph display screen is displayed,
Further, the trend item display screen is displayed, the trend display items are changed, and the trend items are registered in the point registration storage means 7. As a result, trend data is collected. The details will be described below.

The operator displays the trend graph display screen 14 on the display device 1, as shown in FIG. Displayed trend graph display screen 14
When changing the point registration information of, the operator requests the display of the trend item screen. This request is notified from the input means 3 to the function determination means 133d, and the function determination means 133d discriminates the request as a trend item change screen display request and notifies the trend item display means 135.

Trend item display means 135 that has received the notification
Refers to the trend item group registration / storing means 10, the point registration / storing means 7 and the PID information storing means 6, and collects the PID information registered as the trend graph display and the PID information registered as the trend graph display. The PID that is
As shown in (b), the trend item display screen 17 is displayed on the display device 1.

The operator changes the PID number while looking at this information. This registered PID change request is notified to the function determination unit 133d, and the function determination unit 133d determines that the request is a trend item change screen display request and notifies the point registration unit 134. Point registration means 1
34 registers the input PID number in the trend item group registration / storing means 10.

Further, the function judging means 133d makes a display request to the interactive screen display means 131 due to the point change, redisplays the trend graph display screen 14, and the operator changes the trend graph display screen 14. It is changed to the requested PID information.

The PID information set as the collection item in the PID information registered as the trend graph display is also set on this screen. The PID information set as the trend collection item is stored in the point registration storage means 7 by the point registration means 134. be registered.

The trend data collecting means 136, according to the PID information registered in the point registration storing means 7,
The data is accumulated in the trend data collection / storing means 11 at a predetermined collection cycle.

As described above, according to the fourth embodiment,
The point registration items scheduled to be displayed in the trend graph are registered in the trend item group registration storage means 10, the trend data collection items are registered in the point registration storage means 7, and the point registration items for trend graph display and the trend data collection items are registered. Have separately. As a result, it is possible to substantially increase the number of registered points for displaying the trend graph. Therefore, it is not necessary to delete the registered points to make a vacant space and then register points in the vacant space, and the operator's operation load is reduced.

Here, the first embodiment shown in FIG.
In the block diagram of the second embodiment shown in FIG. 6 and the third embodiment shown in FIG. 12, the trend data collection / storing means 11 is omitted, but the trend data collection / storing means 11 is omitted. Of course, you have. Since the feature of the first to third embodiments lies in the method of setting trend items, the trend data collecting and storing means 11 and the trend item displaying means 135 are omitted. On the contrary, in the fourth embodiment shown in FIG. 16, since the trend graph display screen is directly displayed on the display device 1, the fixed screen information storage means 4 and the variable screen information storage means 5 are omitted. However, it goes without saying that they have these.

[0085]

As described above, according to the first and fifth aspects of the present invention, when points are registered from the PID window to the trend graph display screen, which is an interactive screen, the points are registered in the variable screen information. Since all the point information displayed can be displayed as a PID window at one time, and the points can be registered from the PID window in which all the points are displayed, the operability at the point registration is improved.

Further, according to the inventions of claims 2 and 6, since the point registration is performed using two display devices,
It is possible to display a large operation screen, which facilitates touch operation and simplifies the operation. Further, it is possible to prevent the plant monitoring screen from being hidden by the window display or the interactive screen display.

According to the inventions of claims 3 and 7, P
If you use the ID window to register points,
Not only those registered in the variable screen information used in the displayed plant monitoring screen but also a plurality of related points are displayed at the same time, so that the operability at the point registration can be improved.

According to the inventions of claims 4 and 8, since the point registration item for trend graph display and the trend data collection item are provided separately, the number of points registered for trend graph display is substantially increased. You can
Therefore, after the registered points are deleted and a vacant space is provided, the operation of registering points in the vacant space is eliminated, and the operational burden on the operator is reduced.

[Brief description of drawings]

FIG. 1 is a flowchart showing a first embodiment of the present invention.

FIG. 2 is a block configuration diagram of a plant monitoring apparatus according to the first embodiment of the present invention.

FIG. 3 is an explanatory diagram of a plant monitoring screen and a dialogue screen according to the first embodiment of this invention.

FIG. 4 is an explanatory diagram of a display example of point registration according to the first embodiment of the present invention.

FIG. 5 is a flowchart showing a second embodiment of the present invention.

FIG. 6 is a block configuration diagram of a plant monitoring device according to a second embodiment of the present invention.

FIG. 7 is an explanatory diagram of a plant monitoring screen and a dialog screen according to the second embodiment of the present invention.

FIG. 8 is an explanatory diagram of a case where a PID window is displayed on the plant monitoring screen according to the second embodiment of this invention.

FIG. 9 is an explanatory diagram for performing point registration from a PID window according to the second embodiment of the present invention.

FIG. 10 is an explanatory diagram of a case where point registration is performed on an interactive screen according to the second embodiment of the present invention.

FIG. 11 is a flowchart showing a third embodiment of the present invention.

FIG. 12 is a block configuration diagram of a plant monitoring apparatus according to a third embodiment of the present invention.

FIG. 13 is an explanatory diagram of a plant monitoring screen and a dialog screen according to the third embodiment of the present invention.

FIG. 14 is an explanatory diagram of a display example of point registration according to the third embodiment of the present invention.

FIG. 15 is a flowchart showing a fourth embodiment of the present invention.

FIG. 16 is an explanatory diagram of a plant monitoring screen and a dialog screen according to the fourth embodiment of the present invention.

FIG. 17 is an explanatory diagram showing a display example of point registration according to the fourth embodiment of the present invention.

FIG. 18 is a block configuration diagram showing an overall configuration of a conventional plant monitoring device.

FIG. 19 is a detailed block configuration diagram regarding a point registration function in a conventional plant monitoring apparatus.

FIG. 20 is an explanatory diagram showing a display example of conventional point registration.

FIG. 21 is a detailed block diagram of a trend display function in a conventional plant monitoring device.

[Explanation of symbols]

 1 Display Device 2 Input Device 3 Input Means 4 Fixed Screen Information Saving Means 5 Variable Screen Information Saving Means 6 PID Information Saving Means 7 Point Registration Saving Means 8 Output Means 9 Interactive Screen Saving Means 10 Trend Item Group Registration Saving Means 11 Trend Data Collection Storage means 12 Point group data storage means 13 Point registration function processing means 14 Trend graph display screen 15 Plant monitoring screen 16 PID window 17 Trend item display screen 130 Monitoring screen display means 131 Interactive screen display means 132 PID window display means 133 Function determination means 134 Point registration means 135 Trend item display means 136 Trend data collection means 137 Communication means

Claims (8)

[Claims] 1. A plant monitoring screen is displayed, an interactive screen for displaying a trend graph of a process amount included in the plant monitoring screen is displayed, and a PID window showing an input point for each process amount is displayed. In the method for setting plant monitoring information, which displays and indicates the input point displayed in the PID window to set the process amount for displaying the trend graph, the plant monitoring screen is displayed and included in the plant monitoring screen. An interactive screen for displaying a trend graph of the process amount to be displayed, a PID window showing input points of all process amounts included in the plant monitoring screen, and the PI
A method for setting plant monitoring information, characterized in that an input point for displaying the trend graph is selected from all process quantities included in the plant monitoring screen displayed in the D window and set on the dialog screen. . 2. A plant monitoring screen is displayed, an interactive screen for displaying a trend graph of the process amount included in the plant monitoring screen is displayed, and a PID window showing the input point for each process amount is displayed. In the plant monitoring information setting method for displaying and inputting the input point displayed in the PID window to set the process amount for displaying the trend graph, the plant monitoring screen is displayed on the first display device, An interactive screen for displaying the trend graph of the process amount included in the plant monitoring screen is displayed on the second display device, and a PID window showing an input point of the process amount for displaying the trend graph is displayed for each process amount. The trend graph is displayed on the first display device, and the input point displayed on the PID window is designated. A plant monitoring information setting method, wherein the process amount to be displayed is set on the interactive screen displayed on the second display device. 3. A plant monitor screen is displayed, an interactive screen for displaying a trend graph of the process amount included in the plant monitor screen is displayed, and a PID window showing the input point for each process amount is displayed. In the plant monitoring information setting method for displaying and inputting the input point displayed in the PID window to set the process amount for displaying the trend graph, a plant monitoring screen is displayed and included in the plant monitoring screen. An interactive screen for displaying a trend graph of the process amount to be displayed, and a PID window showing a plurality of process amount input points associated with each process amount,
A plant monitoring information setting method, characterized in that an input point displayed in an ID window is designated and a process amount for displaying the trend graph is set on the interactive screen. 4. A trend graph display screen for displaying a trend graph of a process amount of a plant is displayed, a trend item display screen showing an input point of the process amount is displayed, and a trend item display screen is displayed. In the plant monitoring information setting method, which indicates the input point and sets the process amount to display the trend graph,
Point the input points displayed on the trend item display screen to set the process amount to be displayed in the trend graph by grouping, and display the trend graph display screen for displaying the trend graph of the process amount. , A trend item display screen showing the input points of the plurality of process quantities which are to be displayed in the trend graph are divided into groups on the trend graph display screen, and the group to be displayed in the trend graph is designated. A method for setting plant monitoring information, characterized in that data collection of the process amount belonging to the group is set. 5. A display device for displaying a plant monitoring screen and an interactive screen for setting information when performing plant monitoring,
An input device attached to this display device for inputting information from the operator and P at the process amount input point of the plant
PID information storage means for storing ID information, fixed screen information storage means for storing fixed screen information of the plant monitoring screen, and variable screen information that makes the display on the plant monitoring screen variable depending on the state of the process amount. Variable screen information saving means for saving, interactive screen saving means for saving screen information for interaction with the operator, point registration saving means for saving the process amount input point set by the interaction with the operator as registration information , A trend data collection / storing means for collecting and storing the process quantity of the process quantity input point registered in the point registration / storing means, and the plant monitoring screen or the interactive screen on the display device based on a command from the input device. Point for registering the process amount input point to be displayed and to display the trend in the point registration storage means In the plant monitoring apparatus and a recording function processor, said point registration function processing means,
When the input information from the input device is a display request for the plant monitor screen, the corresponding plant monitor screen data is taken out from the fixed screen information storage means and the variable screen information storage means and displayed on the display device as a plant monitor screen. When the monitor screen display means and the input information from the input device is a display request for the dialogue screen, the dialogue screen information storage means, the point registration information storage means, and the PID information storage means are referred to, and a process amount input point for trend display is displayed. Interactive screen display means for displaying an interactive screen for registration on the display device, and when the input information from the input device is a PID window display request, the variable screen information storage means and the PID information storage means are referred to for display. All the items of the process amount input points included in the plant monitoring screen displayed on the equipment are displayed in the plant monitoring screen. PI to be displayed in a window format above
When the input information from the D window display means and the input device is a registration request of the process amount input point by the PID window selection, the process amount input point retrieved from the coordinate data stored in the variable screen information storage means A plant monitoring device, comprising: point registration means for storing information in a point registration and storage means. 6. A display device for displaying a plant monitoring screen and an interactive screen for setting information when performing plant monitoring,
An input device attached to this display device for inputting information from the operator and P at the process amount input point of the plant
PID information storage means for storing ID information, fixed screen information storage means for storing fixed screen information of the plant monitoring screen, and variable screen information that makes the display on the plant monitoring screen variable depending on the state of the process amount. Variable screen information saving means for saving, interactive screen saving means for saving screen information for interaction with the operator, point registration saving means for saving the process amount input point set by the interaction with the operator as registration information , A trend data collection / storing means for collecting and storing the process quantity of the process quantity input point registered in the point registration / storing means, and the plant monitoring screen or the interactive screen on the display device based on a command from the input device. Point for registering the process amount input point to be displayed and to display the trend in the point registration storage means In a plant monitoring device provided with a recording function processing means, the two display devices of a first display device and a second display device are provided, and the point registration function processing means is arranged so that the input information from the input device is When a request to display the plant monitoring screen is made, the corresponding plant monitoring screen data is taken out from the fixed screen information storage means and the variable screen information storage means and displayed on the display device as a plant monitoring screen on the first display device. When the input information from the display means and the input device is a display request for the dialogue screen, the dialogue screen information storage means, the point registration information storage means and the PID information storage means are referred to for the process amount input point registration of the trend display. Dialogue screen display means for displaying the dialogue screen of the PID window table on the second display device, and input information from the input device. When making a request, the PID window for displaying the process amount input point corresponding to the display request in a window format on the plant monitoring screen of the first display device by referring to the variable screen information storage means and the PID information storage means When the input information from the display means and the input device is a registration request of the process amount input point by the PID window selection, the process amount input point information retrieved from the coordinate data stored in the variable screen information storage means is displayed. A plant monitoring device, comprising: point registration means for storing in point registration storage means. 7. A display device for displaying a plant monitoring screen and an interactive screen for setting information when performing plant monitoring,
An input device attached to this display device for inputting information from the operator and P at the process amount input point of the plant
PID information storage means for storing ID information, fixed screen information storage means for storing fixed screen information of the plant monitoring screen, and variable screen information that makes the display on the plant monitoring screen variable depending on the state of the process amount. Variable screen information saving means for saving, interactive screen saving means for saving screen information for interaction with the operator, point registration saving means for saving the process amount input point set by the interaction with the operator as registration information , A trend data collection / storing means for collecting and storing the process quantity of the process quantity input point registered in the point registration / storing means, and the plant monitoring screen or the interactive screen on the display device based on a command from the input device. Point for registering the process amount input point to be displayed and to display the trend in the point registration storage means In a plant monitoring device provided with a recording function processing means, a point group data storage means for storing a plurality of process quantity input points associated with each process quantity as a group is provided, and the point registration function processing means is provided with the input. When the input information from the device is a display request for the plant monitoring screen, a monitoring screen for extracting the corresponding plant monitoring screen data from the fixed screen information storage means and the variable screen information storage means and displaying it on the display device as a plant monitoring screen When the input information from the display means and the input device is a display request for the dialogue screen, the dialogue screen information storage means, the point registration information storage means and the PID information storage means are referred to for the process amount input point registration of the trend display. Interactive screen display means for displaying the interactive screen of the input device on the display device, and the input device. When the input information from is a PID window display request, the point group data storage means refers to the plurality of process amount input points of the group to be displayed, and the PID information storage means is referred to while displaying on the display device. In the PID window display means in the form of a window on the plant monitor screen, and when the input information from the input device is a registration request of the process amount input point by the PID window selection, it is stored in the variable screen information storage means. A plant monitoring device, comprising: point registration means for storing the process amount input point information retrieved from the existing coordinate data in a point registration storage means. 8. A display device for displaying a trend graph display screen of a process amount of a plant and a trend item display screen for setting information when performing the trend graph display, and information from an operator attached to this display device. An input device for inputting, PID information storage means for storing PID information at the process amount input point of the plant, dialogue screen storage means for storing screen information for dialogue with the operator, and dialogue set by the operator Point registration saving means for saving the process quantity input point as registration information, trend data collecting and saving means for collecting and saving the process quantity of the process quantity input point registered in the point registration saving means, and a command from the input device The trend graph display screen or the trend item display screen is displayed on the display device based on In a plant monitoring device having a point registration function processing means for registering the process amount input points for displaying the trend in the point registration / storing means, a plurality of process amounts for displaying the trend graph on the interactive screen Is provided with trend item group registration means for grouping and saving those input points, and when the input information from the input device is a display request for a trend graph display screen, the interactive screen storage means, point registration storage means and trend Interactive screen display means for extracting the data of the collection and storage means and displaying it on the display device as a trend graph display screen, and when the input information from the input device is a display request for a trend item display screen, the interactive screen storage means, the point Registration storage means, the trend item group registration storage means, and the PI A trend item display means for displaying the trend item display screen on the display device with reference to the information storage means, and a process amount input point input by the operator when the input information from the input device is a trend item group data change request. Is registered in the trend item group registration / storing means, and when the input information from the input device is a trend graph collection item change request, the process amount input point of the group designated by the operator is referred to by referring to the trend item group registration / storing means. And a point registration means for registering the point registration and storage means in the plant registration apparatus.