JP6238911B2 - Engineering tools - Google Patents

Description

  The present invention relates to an engineering tool for performing input / output settings between logic of a plant control device for simulating a plant and plant simulation logic for simulating the plant.

When creating the control device logic of the plant, in order to check whether the control device logic created on the engineering tool operates as designed, create simulation logic that simulates the equipment in the plant, and the control device logic and simulation logic Define the input and output between and perform simulation.
As a prior art regarding creation of simulation logic and connection of input and output, there is Patent Document 1. In Patent Document 1, the simulation logic is described in a format similar to the control device logic, and the input / output setting is performed by setting the sheet number and the terminal number of the control device logic to the input and output terminals of the simulation logic. .

JP 2000-163259 A (pages 3 to 6, FIG. 1)

Conventionally, as disclosed in Patent Document 1, input / output settings are compared and compared with the input / output definition of the simulation logic that performs simulation of the plant and the control device logic. It was.
In addition, if the expected response is not returned when checking the contents of the control unit logic by calculating the control unit logic and the simulation logic, it is necessary to look for an error in the control unit logic or the simulation logic. However, for this purpose, it is necessary to compare the input / output setting between the control device logic and the simulation logic with these logics, and there is a problem that it takes time.

  The present invention has been made to solve the above-described problems, and provides an engineering tool capable of displaying a logic sheet in which an input / output setting signal between a control device logic and a plant simulation logic is used. The purpose is to obtain.

  In the engineering tool according to the present invention, the plant simulation logic that simulates the operation of the plant and the control device logic that is the logic of the control device that controls the plant, the input between the plant simulation logic and the control device logic are stored. Displays the input / output setting database that stores the input / output settings for which the output signals are set, the plant simulation logic and the control unit logic stored in the logic database, and the input / output settings stored in the input / output setting database as a list And for the selected input / output setting signal of the input / output settings listed by the display means, extract the plant simulation logic and the logic of the control device logic in which this signal is used, Display on display means Those having a Used extracting means for.

  According to the present invention, the plant simulation logic that simulates the operation of the plant and the control device logic that is the logic of the control device that controls the plant, the logic database, the input / output signals between the plant simulation logic and the control device logic The input / output setting database storing the input / output settings set, the plant simulation logic and the control device logic stored in the logic database, and the display means for displaying the list of the input / output settings stored in the input / output setting database And, for the signal of the selected input / output setting among the input / output settings displayed as a list by the display means, the logic sheet of the plant simulation logic and the control device logic in which this signal is used is extracted and displayed on the display means. It has a usage extraction means to display The signal input and output setting between the control apparatus logic and plant simulation logic can be displayed logic sheet being used.

It is a block diagram which shows the engineering tool by Embodiment 1 of this invention. It is a figure which shows the screen image of the engineering tool by Embodiment 1 of this invention. It is a block diagram which shows the engineering tool by Embodiment 2 of this invention. It is a figure which shows the screen image of the engineering tool by Embodiment 2 of this invention. It is a block diagram which shows the engineering tool by Embodiment 3 of this invention. It is a block diagram which shows the engineering tool by Embodiment 4 of this invention. It is a figure which shows the screen image of the engineering tool by Embodiment 4 of this invention. It is a block diagram which shows the engineering tool by Embodiment 5 of this invention. It is a block diagram which shows the engineering tool by Embodiment 6 of this invention.

Embodiment 1 FIG.
Embodiment 1 of the present invention will be described below with reference to the drawings.
FIG. 1 is a block diagram showing an engineering tool according to Embodiment 1 of the present invention.
In FIG. 1, an engineering tool 50 is configured as follows.
The logic database 1 stores logic of a control device (hereinafter referred to as control device logic) and logic simulating a plant (hereinafter referred to as plant simulation logic). The input / output setting database 2 stores input / output settings between the control device logic and the plant simulation logic.
The logic display function 11 displays on the screen the logic sheets of the relevant parts of both the control device logic and the plant simulation logic extracted by the use destination extraction function 13 described later. The input / output setting display function 12 takes out a list of input / output setting signals from the input / output setting database 2 and displays them on the screen. The use destination extraction function 13 (use destination extraction means) extracts a logic sheet of a relevant portion of both the control device logic and the plant simulation logic in which the input / output set signal is used.
The display means is a logic display function 11 and an input / output setting display function 12.

FIG. 2 is a view showing a screen image of the engineering tool according to the first embodiment of the present invention.
In FIG. 2, the display screen of the engineering tool 50 includes a control device logic 4 and
A plant simulation logic 5 and a list of input / output settings 3 between the control device logic 4 and the plant simulation logic 5 are displayed. The input / output setting 3 is a pair of input and output signals, and the list of the input / output setting 3 displays a logic sheet of a related portion of the control device logic 4 and the plant simulation logic 5 related to each signal.

Next, the operation will be described.
In the first embodiment, the input / output setting display function 12 retrieves input / output setting data (signal list) from the input / output setting database 2 and displays it on the screen.
The use destination extraction function 13 extracts the corresponding logic sheet of the control device logic and the plant simulation logic in which the input / output setting signal displayed by the input / output setting display function 12 is used, and the extracted logic sheet It is displayed on the screen by the logic display function 11.
A screen display image at this time is shown in FIG. From the input / output setting signal displayed in list format, the logic sheet that uses the signal is extracted and displayed. The displayed logic sheets include the control device logic 4 and the plant simulation logic 5.

  According to the first embodiment, it is possible to easily display a logic sheet in which those signals are used from a list of input / output settings between the control device logic and the plant simulation logic without a user manually searching for the logic sheet. Thus, the labor and time for checking whether the input / output setting is correct is reduced.

Embodiment 2. FIG.
In the second embodiment, the input / output setting between the control device logic and the plant simulation logic can be directly registered from both logic sheets while looking at the logic diagram.
The second embodiment of the present invention will be described below with reference to the drawings.
FIG. 3 is a block diagram showing an engineering tool according to Embodiment 2 of the present invention.
In FIG. 3, 1, 2, 11-13 and 50 are the same as those in FIG. In FIG. 3, the engineering tool 50 is provided with an input / output setting registration function 14 (input / output setting registration means) for registering input / output settings in the input / output setting database 2 based on the logic sheet displayed on the screen.

FIG. 4 is a diagram showing a screen image of the engineering tool according to the second embodiment of the present invention.
In FIG. 4, 3 to 5 and 50 are the same as those in FIG. In FIG. 4, input / output is registered in the list of input / output setting 3 from the logic sheets of the control device logic 4 and the plant simulation logic 5.

Next, the operation of the second embodiment will be described.
The logic display function 11 acquires the logic sheet of the control device logic and the plant simulation logic that the user wants to display from the logic database 1 and displays it.
Further, the input / output setting display function 12 takes out data from the input / output setting database 2 and displays a list of input / output settings on the screen.
Check the logic sheet of the control device logic and the plant simulation logic, and register the signal to be exchanged between the two logics on the input / output setting 3 screen from the logic sheet. A signal input to the input / output setting 3 screen is transferred from the input / output setting display function 12 to the input / output setting registration function 14, and is stored in the input / output setting database 2 by the input / output setting registration function 14.
A screen image at this time is shown in FIG. Register the signal in the list of input / output setting 3 directly from the logic sheet.

According to the second embodiment, when the input / output setting between the control device logic and the plant simulation logic is created, the signal can be registered directly in the input / output setting list from each logic sheet.
For this reason, it is possible to set input / output while checking the logic, and errors during input / output setting are reduced.

Embodiment 3 FIG.
In the third embodiment, an error check can be performed at the time of input / output setting of the second embodiment.
The third embodiment will be described below with reference to the drawings.
FIG. 5 is a block diagram showing an engineering tool according to Embodiment 3 of the present invention.
In FIG. 5, 1, 2, 11-14 and 50 are the same as those in FIG. In FIG. 5, the error check function 15 (error check means) is provided in the engineering tool 50. The error check function 15 uses the input side signal among the input / output setting signals to be registered for other input / output settings. Check if it is not.

Next, the operation of the third embodiment will be described.
In the third embodiment, as in the second embodiment, an input / output setting signal registered from the input / output setting display function 12 to the input / output setting registration function 14 is passed. Thereafter, an input / output setting signal registered from the input / output setting registration function 14 to the error check function 15 is passed.
The error check function 15 checks whether or not the input side signal among the input / output setting signals to be registered is not used in other input / output settings. At this time, the signal on the input side is passed from the error check function 15 to the usage destination extraction function 13, and the usage destination extraction function 13 acquires data from the logic database 1, and the logic sheet of either the control device logic or the plant simulation logic To obtain whether or not the corresponding signal has an input, and obtain the input / output setting data from the input / output setting database 2 and check whether it is used as an input signal in other input / output settings.
The confirmation result is sent to the input / output setting registration function 14, and if there is an error (if it is used elsewhere), an error is returned to the input / output setting display function 12 to display an error. If there is no error, the input / output setting registration function 14 stores the signal in the input / output setting database 2.

  According to the third embodiment, by providing an error check at the time of input / output setting signal registration, it is possible to prevent a single signal from being input from a plurality, and to prevent an unexpected result during simulation. Is possible.

Embodiment 4 FIG.
In the fourth embodiment, it is possible to directly open the logic sheet of the plant simulation logic connected by the input / output setting from the logic sheet of the control device logic. Similarly, it is also possible to open the logic sheet of the control device logic connected by the input / output setting from the logic sheet of the plant simulation logic.
Hereinafter, the fourth embodiment will be described with reference to the drawings.
FIG. 6 is a block diagram showing an engineering tool according to Embodiment 4 of the present invention.
In FIG. 6, 1, 2, 11-13 and 50 are the same as those in FIG. In FIG. 6, the engineering tool 50 is provided with an input / output setting extraction function 16 (input / output setting extraction means) that extracts only specific input / output settings from the input / output setting database 2.

FIG. 7 is a view showing a screen image of the engineering tool according to the fourth embodiment of the present invention.
7, 4, 5, and 50 are the same as those in FIG. In FIG. 7, a link 31 to the logic sheet connected by the input / output setting is displayed.

Next, the operation of the fourth embodiment will be described.
The logic display function 11 acquires the logic sheet of the control device logic or plant simulation logic that the user wants to display from the logic database 1 and displays it. At that time, the data of the signal used in the displayed logic sheet is passed to the input / output setting extraction function 16.
The input / output setting extraction function 16 extracts from the input / output setting database 2 the input / output setting destination signal of the received signal data (the signal associated with the input / output setting). After that, the extracted signal is passed to the use destination extraction function 13, and the logic sheet in which the input / output setting destination signal of the signal used in the displayed logic sheet is extracted and linked to the logic sheet. 31 is created and displayed on the currently displayed logic sheet.
A screen image at this time is shown in FIG. When the user selects the link 31, the logic display function 11 takes out the linked logic sheet from the logic database 1 and displays it.

  According to the fourth embodiment, when confirming whether the control device logic and the plant simulation logic are correctly connected, the connected logic sheet is displayed only by selecting the link, so that the confirmation work is accelerated.

Embodiment 5. FIG.
In the fifth embodiment, the logic (either one or both of the control device logic and the plant simulation logic) created by another engineering tool or the list of the input / output settings created by another engineering tool is read, and the input / output setting concerned Can be displayed in association with logic.
Hereinafter, the fifth embodiment will be described with reference to the drawings.
FIG. 8 is a block diagram showing an engineering tool according to Embodiment 5 of the present invention.
In FIG. 8, 1, 2, 11-13 and 50 are the same as those in FIG. In FIG. 8, the engineering tool 50 is provided with a format conversion function 17 (format conversion means) for converting the format of the logic and input / output settings created by another engineering tool so that the format can be used by the own engineering tool. Yes.

Next, the operation of the fifth embodiment will be described.
A list of logic and input / output settings created by another engineering tool is input to the format conversion function 17. The format conversion function 17 changes the data format of the logic and input / output settings so as to be the format for the own engineering tool, and registers them in the logic database 1 and the input / output setting database 2.
Subsequent operations are the same as those in the first embodiment.

  According to the fifth embodiment, the data created by the previous engineering tool can be taken in, and the logic creation and input / output setting need not be created again by this engineering tool. is there.

Embodiment 6 FIG.
In the sixth embodiment, it is possible to easily follow the logic connection while calculating the operation of the control device and the plant using a simulator that performs the same calculation as the control device and the plant.
The sixth embodiment will be described below with reference to the drawings.

FIG. 9 is a block diagram showing an engineering tool according to Embodiment 6 of the present invention.
9, 1, 2, 11, 13 and 50 are the same as those in FIG. 1, and 3 to 5 are the same as those in FIG. In FIG. 9, the engineering tool 50 transmits / receives data to / from a plurality of simulators 51. Data is also transmitted and received between the simulators 51.
The simulator 51 a has the input / output setting 3 and the control device logic 4 transferred from the engineering tool 50, and calculates the control device logic 4 based on the input / output setting 3. And a communication function 22 for exchanging data between simulators and between simulators.
The simulator 51b has the input / output setting 3 and the plant simulation logic 5 transferred from the engineering tool 50. Between the calculation function 21 for calculating the plant simulation logic 5 by the input / output setting 3, the engineering tool 50, and between the simulators And a communication function 22 for exchanging data.
Hereinafter, the control device logic 4 and the plant simulation logic 5 are collectively referred to as control logic.

  The engineering tool 50 includes a calculation value display function 18 (calculation value display means) for displaying the calculation value of the calculation function 21 of the simulator 51, and a transfer function 19 (transfer) for transferring control logic and input / output settings to the simulator 51. Means).

Next, the operation of the sixth embodiment will be described.
The transfer function 19 takes out the control logic operated by each simulator from the logic database 1 and transfers it.
Similarly, the transfer function 19 takes out the input / output setting 3 from the input / output setting database 2 and transfers it.
In the simulator 51, the control logic is calculated by the calculation function 21, and the communication function 22 transmits the result of the calculation function 21 to another simulator 51 according to the input / output setting 3.
In this way, plant simulation is executed.

In the engineering tool 50, the calculation value display function 18 monitors the contents of the calculation function 21 of the simulator 51 by receiving data from the communication function 22. At this time, the received data is the calculation content of the logic sheet of the control logic displayed by the logic display function 11, and the logic sheet information displayed from the logic display function 11 to the calculated value display function 18 is passed.
At this time, the displayed logic sheet and the input / output setting destination of the logic sheet can directly open the logic sheet of the input / output setting destination as in the fourth embodiment, and the result of the operation is questionable. In some cases, you can easily follow the logic.

  According to the sixth embodiment, when the calculation result value of the control device logic and the plant simulation logic is displayed and the value of the calculation result is abnormal by using a mechanism for easily tracing between the control device logic and the plant simulation logic, Make logic operations easier to follow.

  Each function in the first to fifth embodiments described above may be software executed by the CPU, and the logic database and the input / output setting database are formed on a storage device accessed by the CPU. It may be a thing.

  It should be noted that the present invention can be freely combined with each other within the scope of the invention, and each embodiment can be appropriately modified or omitted.

1 logic database, 2 input / output setting database, 3 input / output setting,
4 Controller logic, 5 Plant simulation logic, 11 Logic display function,
12 Input / output setting display function, 13 Usage destination extraction function, 14 Input / output setting registration function,
15 Error check function, 16 Input / output setting extraction function, 17 Format conversion function, 18 Computation value display function, 19 Transfer function, 21 Computation function, 22 Communication function,
31 links, 50 engineering tools, 51 simulators.

Claims (6)

A logic database storing plant simulation logic for simulating plant operation and control device logic which is the logic of the control device for controlling the plant;
An input / output setting database storing input / output settings in which input / output signals between the plant simulation logic and the control device logic are set;
Display means for displaying the plant simulation logic and the control device logic stored in the logic database, and displaying the input / output settings stored in the input / output setting database as a list;
And for the selected input / output setting signal of the input / output settings listed by the display means, the plant simulation logic and the control device logic sheet in which the signal is used are extracted, An engineering tool characterized by comprising a usage extraction means for displaying on a display means.   Input / output setting registration means for setting an input / output signal between the plant simulation logic and the control device logic displayed by the display means and registering the set input / output setting in the input / output setting database. The engineering tool according to claim 1.   An error check means for detecting whether the input side of the input / output setting signal registered by the input / output setting registration means is used as an input side of another input / output setting signal is provided. The engineering tool according to claim 2. An input / output setting extracting means for extracting only a specific input / output setting from the input / output setting database;
The input / output setting extraction means extracts the input / output setting of the signal used in the displayed plant simulation logic or the logic sheet of the control device logic from the input / output setting database,
The use destination extracting unit extracts a logic sheet in which the other signal of the extracted input / output setting is used, and displays a link to the logic sheet on the displayed logic sheet. The engineering tool according to any one of claims 1 to 3.   5. The apparatus according to claim 1, further comprising format conversion means for converting the plant simulation logic, the control device logic and the input / output setting created by another engineering tool into a format of the own engineering tool. The engineering tool according to any one of the above. Transfer means for transferring the plant simulation logic and the control device logic to respective simulators;
The engineering tool according to any one of claims 1 to 5, further comprising an operation value display means for monitoring operations of the plant simulation logic and the control device logic executed by the simulator.

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