JP2677595B2 - Plant monitoring system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) In a plant monitoring system, a process signal of each part of a plant is designated, and the state and value of the signal are individually output to a typewriter, a display, etc., and monitored. The present invention relates to a display display device that specifies a process signal in the case.

(Prior Art) As a means for monitoring a plant, the process amount of the plant is printed on a typewriter or displayed on a display.

FIG. 4 illustrates a block diagram of an apparatus for displaying a process amount on a display and monitoring a plant, which has been conventionally performed.

The display screen used here will be described with reference to FIGS. 5, 6, and 7. FIG.

In FIG. 4, various process signals are input from the plant 1 to the input control device 2 of the computer 6. Here, the process signal is converted from an analog quantity to a digital value. The process signal converted into these digital values is the arithmetic and control unit 3
Is input to and converted into an engineering unit system that represents individual process quantities.

The value converted into the engineering unit system is stored in the storage device 4 as necessary.
Stored in the output controller 5 according to the operator's request.
Output to the display 7, and the operator can monitor the plant process quantities.

The operator can specify the process signal to be displayed on the display by using the keyboard 8 attached to the display 7 to talk with the typewriter or the display 7 the number individually assigned to the process signal (PID number: Point Ident number). You will be typing while you type.

Examples of conversations using the display screen are shown in Figs. 5 and 6
This will be described with reference to FIGS.

When displaying the process amount on the display 7, first, a conversation screen for designating the process signal to be displayed is displayed. FIG. 5 is an example.

This is an example of the process signal PID input screen, but the PID number is entered character by character with the keyboard 8 in the underlined part of the screen. In the case of FIG. 5, 3A001, 3C150, ... Are PID numbers corresponding to the respective process signals. Enter the required number of points.

Next, a request is made to display the status display screen of the designated process signal. The status display includes a digital display as shown in FIG. 6 and a graph display as shown in FIG. This is used as needed.

Since 16 signals can be displayed in the digital display, 16 signals can be specified on the input screen side in FIG. 5, and 6 signals can be displayed in the graph display, so the input screen side can also display 6 signals. It is possible to input.

In this way, it is possible to specify the display of the process signal and monitor the process amount on the display screen.

(Problems to be solved by the invention) In the case of a power plant, the number of process signals is about 10,000, and these PID numbers are designated by display conversation. Conventionally, when the plant is small, the number of process signals is also 2,000 to 3,000, and the PID number of the target process signal is checked from the process signal list, and a 4 to 5 digit PID number is keyed in from the keyboard 8 by display conversation. That didn't put a heavy burden on the operator.

However, as mentioned above, when a large-scale plant is used and the number of process signals exceeds 10,000, it takes a lot of time to check the target process signal PID number from the process signal list, and the keyboard 8 is used for input. Then
This will impose a great deal of load and time on the operator, including searching for PID numbers.

It is an object of the present invention to simplify the above-mentioned method of designating a process signal by display conversation and reduce the load on the operator.

[Configuration of the invention]

(Means for Solving the Problem) An input control device for inputting a process signal from a plant, and an operation control device for performing a conversion operation of the plant signal into an engineering unit system and an operation for displaying a state of a designated process signal. A storage device for storing the calculation result of the calculation control device, an output control device for outputting the calculation result of the calculation control device to an output device, and a status display screen of a designated process signal by a signal from the output control device. When creating and editing the process signal status display screen in a plant monitoring system consisting of a display for displaying and a display screen specifying device (keyboard, touch screen, mouse, etc.) for inputting the screen specifying signal of the display , The display format of the status display screen (for example,
[Digital], [Graph]) A process-designated conversation screen display means for displaying a process-signal display-designated conversation screen (for example, part A in FIG. 2) based on the display format selected, and a process signal desired to be designated for display. Including strains (eg,
A list of process signal identification numbers (PID numbers; including PID names) of the system selected by selecting [Reactor system], [Water system], etc. (for example, part C in FIG. 2) or process signal identification numbers The relevant system diagram (for example, FIG. 3C)
Section) and a process signal identification number list displayed by the identification number display means or a process signal desired to be displayed and designated from the system diagram in which the process signal identification number is also written by the display screen partial designation device. Designated editing means for setting and registering the selected and selected process signal identification number on the process signal display designated conversation screen, and the state of the process signal designated on the process signal display designated conversation screen by the designated editing means for the designation. And a process signal status display means for displaying on the display according to a display format.

(Example) Hereinafter, the present invention will be described with reference to a display example for monitoring a process signal of a nuclear power plant.

 FIG. 1 shows a block diagram of main components.

A process signal is input to the input control device 2 from the plant 1 to perform A / D conversion. This value is converted into an engineering unit system by the arithmetic and control unit 3 and stored in the storage unit 4 as needed. The process 3 is output from the output control device 5 to each output device.

When displaying on the display 7, the touch screen 9 is installed on the surface of the display 7,
Request a screen selection on the screen display using and specify the PID number. The screen portion designation signal from the touch screen 9 is input to the request processing unit 10 of the display device 13 of the present invention. The request processing unit 10 judges that the screen display content is selected, the screen editing unit 11 edits the element screen stored in advance by the screen editing unit 11, and the screen data is stored in the screen display unit 12.
To display on the display 7.

Similarly to the screen selection request signal, the PID number designated on the touch screen 9 is also input to the request processing unit 10 and the process signal converted into the engineering unit system is also input to the request processing unit 10 via the output control device 5. Further, the designated process signal is edited with other display screen data by the screen editing section 11 to form a display screen.

The edited screen data is input to the screen display unit 12 and displayed on the display.

A touch screen 9 is installed on the surface of the display 7, and the display screen can be monitored through the touch screen 9.

There are various types of touch screens 9 such as a resistive film type and an optical type. If the touch screen 9 is a resistive film type, it may be an optical type by touching and pressing the display screen surface with a finger or the like. For example, it is an input device that can detect a specific position on the display screen by cutting the mesh-like light lines by a plurality of optical transmitters installed near the display screen display with a finger or the like.

FIG. 2 shows a process signal designation method. FIG. 2 is an example of a screen requesting digital display or graph display of process signals.

The operation steps from this state until the process signal graph display is executed will be described.

The solid line rectangles 14 and 16 in the screen are touch areas, and the touch operation of only this portion is input as a touch request.

The data of the touched part is displayed in the dotted line rectangle 15 on the screen. The screen is divided into a part A, a part B, and a part C divided by a solid line.

First, as the first step, the operator selects the display format by touching one of the [digital] and [graph] sections in the B section. If you touch [Graph], [Graph] will be displayed in the area A.

The second step is to select the system of the plant that contains the process signal to be displayed in a graph [reactor system], [water supply system], [condensate system], [recirculation system], [turbine system],
Touch one from the [Generator] section.

 The section C is not displayed in the state before selecting the system.

By this operation, the process signals of the system corresponding to the C section are displayed in a list. The screen example shows the display state of reactor system process signals. PID numbers for 20 signals and their names are displayed in this C section, and the PID number section 16 is a touch section.

 The reactor system contains a total of 120 signals.

When the [Reactor system] section is touched as shown in the figure, first, 20 signals corresponding to [3A001] to [3A020] are displayed in the C section.

If you simply touch the [Next page] section, the C section will change to [3A02
The process signal corresponding to 1] to [3A040] is displayed.
In this way, if you touch the [Next page] section, the display of the C section will be [3A041] to [3A060], [3A061] to [3A080], ...
Updated as [3A101] to [3A120].

At this time, if you touch the [previous page] section, the display will return to the group with the smaller PID number.

In step 3, the process signals are sequentially displayed in the C section as described above, and the PID number touch section 16 corresponding to the specific process signal desired to be displayed as a graph is selected from among the selected process signals.

The PID number and name of the selected process signal are displayed on the screen A section as [3A001], [APRM-A], ..., And the selected signal can be confirmed.

When it is desired to display the process signals of the systems other than the reactor system in a graph at the same time, the process signals can be selected in the same manner as described above by touching the touch section indicating the other system after the reactor system.

In the case of this embodiment, the number of signals that can be displayed in the graph at the same time is 6, and therefore, up to 6 signals can be selected by the above-mentioned method.
In step 4, the [Request] section of the B section is touched in order to execute the graph display of the 6 signals displayed in the A section.

As a result, the graph display as shown in FIG. 7 is executed on the display screen.

As is clear from the above, the procedure of inputting the PID number from the conventional typewriter and keyboard one digit at a time while referring to the process signal list and selecting the signal to be displayed in the graph is as follows. It is possible to easily realize signal selection by referring to and touching the PID number portion at the same time.

FIG. 3 is a system diagram display of the water supply system displayed in the C part when the [water supply system] of the B part is touched. PI
Not only is the D number displayed as a list as described above, but the process signal name is expressed on the system diagram and touch selection is performed.

Here, FIG. 9 shows a flow chart of processing of the request processing unit 10, and FIG. 10 shows a flow chart of processing of the screen editing unit 11.

First, all process signals of the plant 1 are periodically input to the request processing unit 10 from the output control device 5 of the computer 6, and the values are updated on the memory of the request processing unit 10. In the case of the present embodiment, the output controller 5 inputs the request value to the request processing unit 10 and the process value is updated every 1 second.

When a request signal is input from the touch screen 9 to the request processing section 10, the processing changes depending on whether the touch section is the section B or the section C shown in FIG. In the case of the B part, the process of selecting either [digital] or [graph], the process of selecting the [system], and the process of selecting the [request] part are classified. When the [Graph] section is touched, the [Graph] display and the [Digital] section are touched so that the PID No. 4 point name of the process signal of 6 items is displayed as illustrated in the section A of FIG. Then, the section A in FIG. 2 outputs a command to the screen editing section 11 so that the digital display and the PID No. of the process signal of 16 items and the point name are displayed.

When the [system] section is touched, the screen editing section 11 outputs a command to display the point list of the corresponding system as shown in FIG. 2C. As the point list, there is also a system for instructing a display for point selection by touch from the point name part of the system diagram shown in FIG. 3C. By touching the [Request] section, the point designated in the section A is output as a graph or a command for digital display to the screen editing section 11.

If the touch part is C part,
Outputs the command to display the PID No. point name to the A section to the screen editing section 11.

In response to the above command from the request processing unit 10, the screen editing unit
At step 11, the process shown in the flowchart of FIG. 10 is executed.

The screen editing unit 11 stores various element screens as windows (W1 to W8 ...) As shown in the example of FIG. 8, and the corresponding request is issued from the window for editing the screen according to the command from the request processing unit 10. Configure the screen as a comprehensive screen.

Assign each A part window to A part by [Digital] or [Graph] command. Furthermore, W2 element screen in part B,
Assign a blank to part C.

If it is a [system] command from the touch command of the B section, the corresponding PID list is assigned to the C section. By the touch command from the [PID] section, the PID and the point name are displayed in the W1 element screen, and the W1 element screen is edited at the same time.

When the [previous page] and [next page] sections are touched, the request becomes invalid before the [system] designation.
When the [system] is specified and the PID list is displayed in the C section, the PID list element screen (W4 to W5) is edited.

At the same time as editing the element screen, the element screen data is displayed in the screen display section.
The screen data input to 12 and updated for each edit is displayed on the display 7.

When the process signal of the plant is selected to be displayed on the display or the like according to the above embodiment, it can be easily selected while referring to the display, and the operator can refer to the document such as the conventional input point list or from the keyboard. It becomes possible to omit many operation steps such as input operation.

In the above-described embodiment, the case where the touch screen is adopted and the screen is designated as the selection part has been described, but it is realized by using a screen input device such as a mouse and a digitizer, a screen portion designation method using a keyboard such as a cursor. It is also possible.

〔The invention's effect〕

According to the present invention described above, the ease and certainty of the operator's dialogue with the display is improved, the load of the display operation is reduced, and the number of reference documents can be reduced.

[Brief description of the drawings]

FIG. 1 is a block diagram of a system according to the present invention, and FIG.
The figure is a plan view of the graph display request screen, Fig. 3 is a plan view of the C section display screen, Fig. 4 is a conventional system block diagram, Fig. 5 is a plan view of a point input screen in the conventional system, and Fig. 6 is FIG. 7 is a plan view of a digital display screen, FIG. 7 is a plan view of a graph display screen, FIG. 8 is an explanatory diagram of an example of screen elements, FIG. 9 is a flow chart of a request processing section, and FIG. 10 is a flow chart of a screen editing section. 1 ... plant, 2 ... input control device 3 ... arithmetic control device, 4 ... storage device 5 ... output control device, 6 ... computer 7 ... display, 9 ... touch screen 10 ... request processing unit , 11 …… Screen editing unit 12 …… Screen display unit 13 …… Display display device

Claims (1)

(57) [Claims] 1. An input control device for inputting a process signal from a plant, an arithmetic control device for performing an arithmetic operation for converting the plant signal into an engineering unit system and an operation for displaying a state of a designated process signal, and the arithmetic control. A storage device for storing the operation result of the device, an output control device for outputting the operation result of the operation control device to an output device, and a display for displaying a status display screen of a designated process signal by a signal from the output control device. In the plant monitoring system consisting of a display screen part specifying device for inputting the screen part specifying signal of the display, the display selected by selecting the display format of the state display screen when creating and editing the state display screen of the process signal. Process signal display specification based on the format Display specification conversation screen display means for displaying the conversation screen and display finger Identification number display means for displaying a list of process signal identification numbers of the selected system by selecting the system including the process signal to be determined or the system diagram in which the process signal identification numbers are written together, and the process displayed by the identification number display means Select the process signal you want to display from the system diagram with a list of signal identification numbers or process signal identification numbers, and select the selected process signal identification device on the display screen partial designation device and set the selected process signal identification number on the process signal display designation conversation screen. It is characterized by further comprising: designated editing means for registering; and process signal status display means for displaying the state of the process signal set on the process signal display designated conversation screen by the designated editing means on the display according to the designated display format. And a plant monitoring system.