JPH1063312A - Program managing device for controlling plant - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device capable of simply operating a controlling program and information on a process signal and managing them in a way easily understood by an operator by unitarily managing a controlling program, accompanying control information and information on all the process signals used by a process control system. SOLUTION: This device is provided with a graphical user interface control means 20 registering execution managing information in a process managing file 25, a process control means 21, a file managing means 22 changing each data in an execution managing database 26, etc., a process signal managing means 23, etc. In this constitution, the controlling program for all the programmable controller to be used in the process control system and an operation monitoring device, controlling information accompanying this and information on all the process signal to be used in the process control system are unitarily managed. At the same time, the controlling program and accompanying control information are displayed on a CRT screen in a form easily operated by the operator.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to various control devices such as a programmable controller, an operation monitoring device, a control computer, an input / output control device, and a drive device using a network in the steel, petrochemical and general industries. The present invention relates to a management device for a plant control program that collectively manages control programs for these control devices and control data accompanying the control programs in the configured plant equipment.

[0002]

2. Description of the Related Art Conventionally, in a plant facility composed of various control devices, for example, creation of control programs such as a programmable controller and an operation monitoring device and associated control data, download / upload of programs to actual machines, The setting of the control data and the monitoring of the operation are performed using separate devices (tools).

[0003]

However, as described above, using a dedicated tool, a control program and control data associated therewith are created, and a program is downloaded / downloaded to an actual machine.
When uploading, setting associated control data, and monitoring operation, it is often difficult for plant operators to understand the expression format of the program.

In addition, it has been difficult to manage a huge amount of control programs and control data created by each tool. The present invention has been made in view of the above circumstances, and can easily operate information on a programmable controller used in a process control system, a control program of an operation monitoring device, and a process signal, and uses a display screen. It is an object of the present invention to provide a plant control program management device capable of performing management easily understood by a plant operator.

[0005]

In order to achieve the above-mentioned object, the present invention comprises a plant control program management device using the following means. The invention according to claim 1 generates a programmable controller used in a plant control system using a network, a control program of an operation monitoring device, and associated control information, and generates the generated control program and associated programs. In a plant control program management device for managing control information, a graphical user interface (GUI) control means for registering execution management information in a process management file, a process control means having a process control file, an execution management database, and a file management database A file management means for changing each data of the program management database and taking in data; a process signal management means for changing data and taking in data to the process signal management database; Program generating means for registering the program in a program management database, wherein the GUI control means displays a predefined operation screen on a display device, and requires a display screen in response to a menu instruction operation or an object operation. Search request message for display information to be
Or a function of notifying the process control means of a request message determined by the type of the object and the operation of the object, and registering execution management information in the process management file for each notification of the request message; Upon receiving a response message from the server, the process control means updates the screen of the request source displayed on the display device based on the execution management information registered in the process management file with the content of the response message, Or a function of displaying a new screen and deleting the execution management information registered in the process management file when the process management means returns a response message, wherein the process control means
When a request message notified from the I control unit or the file management unit, the program generation unit, the process signal management unit, or the like is received, the execution registered in the process management file when each unit notifies the request message. Based on the management information, a new request message is notified to a destination corresponding to a processing request described in advance in the process control file, the execution management information registered in the process management file is deleted, and new execution management information is deleted. A response message returned from the GUI control means, the file management means, the program generation means, the process signal management means, etc., and the process is performed when each means notifies the response message. Sends a response message to the request source based on the execution management information registered in the management file A function for deleting the execution management information and registering new execution management information in the process management file, and deleting the execution management information registered in the process management file when the processing request source ends due to some abnormality, The file management means receives a request message notified from the process control means, and has a function of notifying the processing request source of the abnormal termination to the processing request source as a response message, and transmitting the content described in the message to the process control means. Updates the program management database and the file management database and deletes the execution management information based on the execution management information registered in the process management file when notifying the request / response message, and updates the update result of each database by the process control. Notify the response message to the means and A function for registering execution management information in a process management file, and, when the request message is a processing request message requiring file information, the program management database and the file management database based on the request message and the execution management information. File information is taken out, a new request message corresponding to a processing request registered in advance in the execution management database is notified to the process control means, the execution management information registered in the process management file is deleted, and a new Has a function to register execution management information,
The program generating means has, for each type of program, a request message notified from the process control means, and executes the process described in the message when the process control means notifies the request message of the content described in the message. Based on the execution management information registered in the management file, a function of activating the program generating means according to the type of the program and transferring a file in which the corresponding program is described to the program generating means. A function for notifying the process control means of a search request message for information on a process signal when the information on the process signal described in is necessary, and registering new execution management information in the process management file. When the program generation means is completed, Remove the process execution management information registered processing request source is registered in the management file and notifies a response message to the original, it has a function of registering a new execution management information in the process control file,
The process signal management means receives a request message notified from the process control means, and registers the contents described in the message in the process management file when the process control means notifies the request message. Based on the information, a function of registering, changing, and deleting information on the process signal described in the program in the process signal management database and searching for the process signal information registered in the process signal management database; It has a function of notifying the process control means as a message, deleting the execution management information registered by the processing request source registered in the process management file, and registering new execution management information in the process control file.

Accordingly, in the plant control program management apparatus according to the present invention, all of the programmable programs used in the process control system are provided.
The control program for the controller and the operation monitoring device, the control information associated therewith and the information relating to all the process signals used in the process control system can be centrally managed, and the control program and the control information associated therewith are stored by the plant operator. Can be displayed on the screen of the display device in a form easy to operate.

According to a second aspect of the present invention, in the plant control program management device according to the first aspect, a load module generation request message is notified from the GUI control means via the process control means and the file management means. Then, based on the file information described in the processing request message, a function of generating a load module corresponding to the type of the file, a result of the load module generation is notified to the file management unit, and the result is stored in the program. Load module generating means having a function of notifying a response message for registering the processing result of the file management means on the display device via the GUI control means, while registering the management database with the file management database; Generated by this load module generation means. When a download request message is notified from the GUI control means via the process control means and the file management means according to an instruction of the plant operator, the load module is designated based on the file information described in the processing request message. A function of downloading to the programmable controller or the operation monitoring device via a network, and notifying a result of the download to the file management unit, and registering the result in the program management database and the file management database; Download control means for notifying a response message for displaying the processing result of the file management means on the display device via the GUI control means;

Therefore, a plant control program management device according to the present invention corresponding to claim 2 is provided.
In addition to the same functions and effects as the invention corresponding to the above, the load module generation means and the download control means can manage the display using a display screen which is easy for the plant operator to understand.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a general configuration example of a plant control system using a network according to the present invention.

In FIG. 1, reference numeral 1 denotes an engineering workstation on which the apparatus of the present invention is mounted, and a screen can be operated by a mouse 1a;
The operation monitoring device provided with a, 3 is a programmable controller, 4 is a remote I / O, and the engineering workstation 1 and the operation monitoring device 2 are connected to the data transmission line 9 via the data transmission devices 5 and 6, respectively. And the programmable controller 3 and the remote I
/ O4 is also transmitted via the data transmission devices 9 and 8 to the data transmission path 9
Connected to each other.

Further, the engineering workstation 1 and the operation monitoring device 2 are connected to the Ethernet 14 via transceivers 15 and 16, respectively. Figure 2 shows the engineering control of such a plant control system.
FIG. 2 is a block diagram illustrating a first embodiment of a plant control program management device according to the present invention mounted on a workstation 1.

In FIG. 2, reference numeral 30 denotes a CRT 24 and a client CRT 2 for externally displaying an operation screen and various information.
4a, a plant control program management device 30 includes a graphical user interface control (hereinafter referred to as GUI control) means 20 for registering execution management information in a process management file 25, and a process control file A process control means 21 having an operation management database 21; a file management means 22 for changing and taking in data in the execution management database 26; a file management database 27; and a program management database 28;
A process signal management means 23 for changing data and taking in data, and a program generation means 31 for generating a program 31a and registering the program 31a in the program management database 28.

The GUI control means 20 displays a predefined operation screen on the CRT 24, and performs a menu instruction operation from a plant operator using a pointing device (here, the mouse 1a shown in FIG. 1) or a CRT 2
4, a display information search request message required by the display screen in response to an object operation such as changing or rearranging the display form of the object displayed on the display, creating, deleting, moving, copying, compiling, or compiling the object; A function of notifying the process control means 21 of a request message determined by the type and its object operation, registering execution management information in the process management file 25 for each notification of the request message, and a response from the process control means 21 to the request message When the message is received, the process control means 21 sets the process management file 2
5, the screen of the request source displayed on the CRT 24 is updated according to the contents of the response message, or a new screen is displayed based on the execution management information registered in the CRT 24. A function of deleting the execution management information registered in the management file 25.

When the process control means 21 receives a request message notified from the GUI control means 20, or the file management means 22, the program generation means 31, the process signal management means 23, etc., each means transmits the request message. Based on the execution management information registered in the process management file 25 at the time of notification, a new request message is notified to a destination corresponding to a processing request described in advance in the process control file, and the execution management registered in the process management file 25 is notified. A function of deleting information and registering new execution management information; a GUI control unit 20, a file management unit 22,
When a response message returned from the program generation means 31, the process signal management means 23, or the like is received, a response is made to the request source based on the execution management information registered in the process management file 25 when each means notifies the response message. A function for notifying a message, deleting execution management information, and registering new execution management information in the process management file, and the execution management registered in the process management file when the means that notified the processing request ends due to some error It has a function of deleting information and notifying the request source that the process has been terminated due to an abnormality as a response message.

The file management means 22 receives the request message notified from the process control means 21, and stores the contents described in the message in the process management file 25 when the process control means 21 notifies the request / response message. The program management database 28 and the file management database 27 are updated and the execution management information is deleted on the basis of the execution management information registered in the process management information. A function for registering the execution management information in the file 25; and when the request message is a processing request message requiring file information, the program management database 28 and the file management database 27 Take information Then, the process control unit 21 is notified of a new request message corresponding to the processing request registered in the execution management database 26 in advance, and the execution management information registered in the process management file 25 is deleted. And a function for registering

The program generating means 31 has a program for each type, receives a request message notified from the process control means 21, and the process control means 21 notifies the request message of the contents described in the message. A function for activating a program generation unit corresponding to the type of the program based on the execution management information registered in the process management file 25 and transferring a file in which the corresponding program is described to the program generation unit; When information on a process signal described in a program is needed, a request message for information on the process signal is sent to the process control unit 21.
And a function for registering new execution management information in the process management file 25,
1 is completed, a response message is sent to the processing request source, the execution management information registered by the processing request source registered in the process management file 25 is deleted, and new execution management information is registered in the process control file 21a. Function.

The process signal management means 23 receives the request message notified from the process control means 21 and stores the contents described in the message in the process management file 25 when the process control means 21 notifies the request message. Based on the registered execution management information, a function for registering, changing, and deleting information on the process signal described in the program in the process signal management database 29 and searching for the process signal information registered in the process signal management database 29; A function of notifying the process control means 21 of the processing result as a response message, deleting the execution management information registered by the processing request source registered in the process management file 25, and registering new execution management information in the process control file 21a. And

Next, the operation of the plant control program management device configured as described above will be described. In the plant control program management device 30 shown in FIG. 2, when the power is turned on, the process control means 21 is first started, and after the process control means 21 initializes the process management file 25, the file management means 22, The signal management unit 23 and the GUI control unit 20 are activated. At this time, the process control means 21 registers information on the activated means in the process management file 25.

The plant operator uses the GUI control means 20 to store file information relating to the program on the CRT 24 as shown in FIG.
When issuing a processing request such as creation, editing, or deletion of a plant control program from the screen displayed in an easy-to-understand manner, the GUI control unit 20 describes information about a file of the program to be processed to the process management unit 21. Issue request message and request process information, request destination task information,
Register processing information.

The process management means 21 which has received the request message analyzes the processing information registered in the process management file 25 by the request source, and determines the request destination described in the process control file 21a according to the processing request.

If the processing request is a creation request, the process control means 21 transfers a request message describing file information relating to the received program to the file management means 22, which is the request destination. At this time, the process control means 21
Deletes the processing information registered in the process management file 25 by the request source, and newly registers the request source information, the request destination information determined by the process control means 21, and the processing information in the process management file.

Upon receiving the creation request message, the file management means 22 registers file information such as the program name and type described in the request message in the file management database 27.

The request source is the process management file 25.
Execution management database 2 based on the processing information registered in
6, a request message is transferred to the determined request destination, the processing information registered in the process management file 25 by the request source is deleted, and a new process management file 25, the request source information and the new request destination information and processing information determined by the file management means 22 are registered.

When the process management means 21 receives the request message from the file management means 22 again, a new request destination is determined by the process control means 21 as described above, and the program generation means 31 according to the type of the program is started. .

The activated program generating means 31
A program edit screen as shown in FIG. 5 is displayed on the RT 24. The plant operator can create the control program 31a using this screen.

When the creation of the control program is completed,
The program generation means 31 generates the program 31a
A response message in which file information is described is notified to the file management unit 22 that is the activation request source. At this time, the program generation means 31 deletes the processing information registered by the process management means 21.

The program generation means 31 notifies the process signal management means 23 via the process control means 21 of an update request message in which information relating to the program signal described in the program 31a is described.

The file management means 22 having received the response message updates the program management database 28 and the file management database 27 with the file information described in the response message. Further, the file management unit 22 describes this update result in a response message and notifies the GUI control unit 20 that is the program creation request source.

The GUI control means 20 having received the response message deletes the processing information registered in the process management file 25 and redisplays the display screen as shown in FIG. 4 with the contents described in the response message. .

The process signal management means 23 which has received the update request message updates the process signal management database 29 based on the information on the process signal described in the request message.

At this time, the newly described process signal is registered in the process signal management database 29, and the content of the process signal already registered in the process signal management database 29 is updated. FIG. 6 shows a program editing screen, and FIG. 7 shows an example in which process signals described in the program are registered in the process signal management database 29.

The above is a case where the processing request is for creating a program. However, when the processing request is for editing or deleting a program, the same processing as described above is performed. Thus the first
According to the plant control program management device of the embodiment of the present invention, all the programmable controllers used in the process control system, the control program of the operation monitoring device and the control information associated therewith, used in the process control system Information on all process signals can be centrally managed, and the control program and accompanying control information can be stored in a format that is easy for plant operators to operate.
It can be displayed on the screen of T24.

FIG. 3 is a block diagram showing a second embodiment of the plant control program management apparatus according to the present invention. The same parts as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted. Only the different parts will be described.

In the second embodiment, as shown in FIG. 3, in addition to the configuration of the first embodiment, a load module generating means 32 and a download control means 33 are newly provided to enable plant operators to understand. It can be managed as an easy display screen.

The load module generating means 32
When a load module generation request is notified from the UI control unit 20 via the process control unit 21 and the file management unit 22, the file type is determined based on the file information described in the processing request message, similarly to the program generation unit 31. Generating the load module 32a according to the file management means 22
To the program management database 2
8. While registering in the file management database 27,
The processing result of the file management means 22 is stored in the GUI control means 20
And a function of notifying a response message to be displayed on the CRT 24 via the.

The download control means 33 includes:
The load module 32a generated by the load module generation means 32 is transmitted to the GU according to the instruction of the plant operator.
When a download request message is notified from the I control means 20 via the process control means 21 and the file management means 22, a network is sent to the designated programmable controller or operation monitoring device based on the file information described in the processing request message. And a file management means 22 for downloading the result of the download
To the program management database 2
8. While registering in the file management database 27,
The processing result of the file management means 22 is stored in the GUI control means 20
And a function of notifying a response message to be displayed on the CRT 24 via the.

Next, the operation of the plant control program management device configured as described above will be described.
Only the portions different from the above embodiment will be described. FIG.
In response to an instruction from the screen displaying the program information as shown in FIG.
2 are notified to the load module generation means 32 and the download control means 33, respectively.

The load module generation means 32 and the download control means 33 which have received the request message notify the processing result to the file management means 22 and update the program management database 28 and the file management database 27. The update result is sent to the GUI control means 20 as in the first embodiment, and the display screen is displayed again.

As described above, according to the plant control program management device of the second embodiment, in addition to the same operation and effect as the first embodiment, the load module generation means 3
2 and the download control means 33, the management can be performed using a display screen which is easy for the plant operator to understand.

[0040]

As described above, according to the present invention, the operation of the programmable controller used in the process control system, the control program of the operation monitoring device, and the information on the process signal can be easily understood by the plant operator. A plant control program management device that can be managed using an easy display screen can be provided.

[Brief description of the drawings]

FIG. 1 is a general configuration diagram of a plant control system to which a plant control program management device according to the present invention is applied.

FIG. 2 is a block diagram showing a first embodiment of a plant control program management device according to the present invention.

FIG. 3 is a block diagram showing a second embodiment of the plant control program management device according to the present invention.

FIG. 4 is a view showing an example in which GUI control means displays information about a program on a CRT in the first and second embodiments.

FIG. 5 is a diagram showing an example of a program editing screen displayed on a CRT by a program generation unit in the first and second embodiments.

FIG. 6 is a diagram showing a program screen displayed on a CRT in the first and second embodiments.

7 is a diagram showing an example in which information on a process signal described in the program of FIG. 6 is registered in a process signal management database via a process signal management unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Engineering workstation 2 ... Operation monitoring device 3 ... Remote I / O 5-8 ... Data transmission device 9 ... Data transmission path 15, 16 ... Transceiver 20 ... GUI control means 21 ... Process control Means 21a Process control file 22 File management means 23 Process signal management means 24 CRT 24a Client CRT 25 Process management file 26 Execution management database 27 File management database 28 Program management database 29 Process signal management database 30 Plant control program management device 31 Program generating means 31a Program 32 Load module generating means 32a Load module 33 Download control means

Claims (2)

[Claims] 1. A program for controlling a programmable controller and an operation monitoring device used in a plant control system using a network and associated control information are generated, and the generated control program and associated control information are managed. A graphical user interface (GUI) control means for registering execution management information in a process management file;
A process control means having a process control file; a file management means for changing and taking in data of an execution management database, a file management database and a program management database; and a data change and data transfer to a process signal management database. A process signal management means for taking in, and a program generation means for generating a program and registering the program in a program management database, wherein the GUI control means displays a predefined operation screen on a display device, The process control means is notified to the process control means of a search request message for display information required by the display screen in response to a menu instruction operation or an object operation, or a request message determined by the type of the object and the object operation. A function for registering execution management information in the process management file for each notification of a message, and an execution management function registered in the process management file by the process control means upon receipt of a response message to the request message from the process control means. The screen of the request source displayed on the display device based on the information is updated according to the content of the response message, or a new screen is displayed, and the process management means returns the response message to the process management file. The process control means has a function of deleting the registered execution management information, and the process control means has received a request message notified from the GUI control means, or the file management means, the program generation means, the process signal management means, etc. When each means notifies the request message, Based on the registered execution management information, a new request message is notified to a destination corresponding to a processing request described in advance in the process control file, and the execution management information registered in the process management file is deleted, and a new request message is deleted. A function for registering execution management information;
Execution control registered in the process management file when each unit notifies a response message upon receiving a response message returned from the I control unit, the file management unit, the program generation unit, the process signal management unit, etc. A function for notifying the request source of a response message based on the information, deleting the execution management information, and registering the new execution management information in the process management file; The file management unit has a function of deleting the execution management information registered in the file and notifying the processing request source that the process has been terminated abnormally as a response message. The file management unit receives a request message notified from the process control unit. The process control means requests / responds the contents described in this message. When notifying the response message, the program management database and the file management database are updated and the execution management information is deleted based on the execution management information registered in the process management file, and the update result of each database is returned to the process control means. A function of notifying a message and registering execution management information in the process management file; and, when the request message is a processing request message requiring file information, the program management based on the request message and the execution management information. Database, retrieves file information from the file management database, notifies the process control unit of a new request message corresponding to a processing request registered in the execution management database in advance, and executes the execution management registered in the process management file. Delete information Both of them have a function of registering new execution management information. The program generation means has a function for each type of program, receives a request message notified from the process control means, and stores the contents described in this message. Based on the execution management information registered in the process management file when the process control unit notifies the request message, the process control unit starts the program generation unit according to the type of the program, and stores the file in which the corresponding program is described in the file. A function to be passed to the program generation means, and when information on a process signal described in the program is required at the time of program generation, a search request message for information on the process signal is notified to the process control means, and A function to register new execution management information in the process management file When the program generation means ends, a response message is sent to the processing request source, the execution management information registered by the processing request source registered in the process management file is deleted, and new execution management information is transferred to the process control file. When the process signal management unit receives a request message notified from the process control unit, and the process control unit notifies the request message of the content described in the message, the process signal management unit has a function of registering the request message. On the basis of the execution management information registered in the process management file, information on a process signal described in a program is registered, changed, and deleted in the process signal management database, and a search for the process signal information registered in the process signal management database is performed. Function and the processing result as a response message A function of notifying the process control means, deleting the execution management information registered by the processing request source registered in the process management file, and registering new execution management information in the process control file. A centralized management of all the programmable controllers used in the control system, the control program of the operation monitoring device and the control information associated therewith and information on all the process signals used in the process control system, A plant control program management device characterized by displaying a program for use and control information accompanying the program on a screen of the display device in a form easily operated by a plant operator. 2. The plant control program management device according to claim 1, wherein when a load module generation request message is notified from the GUI control unit via the process control unit and the file management unit, a processing request message is issued. And a function of generating a load module corresponding to the type of a file based on the file information described in (1), and notifying the file management means of the load module generation result, and transmitting the result to the program management database and the file management database. And a notification module for notifying a response message for displaying the processing result of the file management means on the display device through the GUI control means, and generating the load module by the load module generation means. Loaded load module By the instruction of the door operation personnel, the GUI
When a download request message is notified from the control means via the process control means and the file management means, a network is sent to the programmable controller or the operation monitoring device designated based on the file information described in the processing request message. And a function of downloading the downloaded result to the file management unit, and registering the result in the program management database and the file management database.
A plant control program management device, comprising: download control means having a function of notifying a response message for displaying a processing result of the file management means on the display device via the GUI control means. .