JPH07152549A - Plant software developing method - Google Patents

Abstract

PURPOSE:To easily understand the corresponding relation between a control function and a control software parts which carries out the control function and to easily generate a software by providing a software parts that defines a function and a software parts that defines the operation process contents. CONSTITUTION:A processing procedure data list and an equipment definition data list are generated as the software parts based on the function definition of a plant that is decided by selectively pasting sequentially the symbol graphics obtained by symbolizing previously the prescribed software on a work sheet. Meanwhile a process definition data list and a process shift definition list are generated based on the contents that are decided by selectively pasting sequentially the symbol graphics obtained by symbolizing the operation processes on a work sheet. These process definition data list and process shift definition list are automatically allocated as the 1st software parts. Thus the 2nd software parts is available. In such a way, both the control software and the simulator software can easily be generated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control and simulator software development method for developing / maintaining control software for various manufacturing plants without error and efficiently.

[0002]

2. Description of the Related Art Conventionally, the development / maintenance of this kind of control software has been performed in a specification description language (SFC: Sequence).
al Function Chart, sequence time chart, measurement control definition or communication definition, etc., constructed by control blocks composed of arithmetic wafers (for example,
JP-A-59-13367), etc., and functions that do not apply to this are the basic level ladder diagram provided by the system, FB (Function Block).
It is common practice to manually construct and define figures and languages.

[0003]

In the specification description language,
Even if the control and monitoring function is developed by software and the function is added or modified after the operation, one control function corresponds to the software for each type of operation processing. There is a problem that it becomes difficult to understand because it has to be decomposed into pieces and constructed. Further, regarding the arithmetic wafer system, as a wafer which is a basic unit of software, for example, Japanese Patent Laid-Open No.
As disclosed in Japanese Laid-Open Patent Publication No. 150002, preparations are made for each type of calculation. Therefore, not only is the number of wafers increased, but it is difficult to read the correspondence with the control function. SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a method of developing control software and simulator software, in which the correspondence between control functions and parts of control software for executing the control functions is easy to understand and easy to create.

[0004]

In order to solve such a problem, in the first invention, the equipment of the target plant is
The software prepared in advance, the parameters necessary for executing the software, and the symbol graphic representing the software should be made into a component as the first software component, and the function should be defined using this symbol graphic. Thus, the attribute information given to the symbol graphic by the first software component is extracted to automatically generate the cooperative operation signal of the component, and at the same time, the material type, amount, and A schedule and process starting conditions are defined in tabular data, software for decoding and executing these tabular data is created in advance as a second software component, and the decoded tabular data is converted into the first tabular data. By automatically assigning the parameters of software parts and realizing the specified functions, the equipment of the target plant And partial additional operating step, is characterized by automatically creating a readily adaptable control software to delete or change.

In the second invention, the equipment of the target plant is made into a component as a software component by the software prepared in advance, the parameters necessary for executing the software, and the symbol graphic representing the software. Every time, define the function using this symbolic figure,
The feature is that the software for the simulator is automatically created by automatically generating the signal for the cooperation operation of the parts by using the attribute information given to the symbol graphic.

In the third aspect of the present invention, the equipment of the target plant is treated as the first software component by the software prepared in advance, the parameters necessary for executing the software, and the symbol graphic representing the software. By making it into parts and defining the function using this symbol graphic, the attribute information given to the symbol graphic is used to automatically generate the signal for the cooperation operation of the parts and to define the operation process content. Define the required material type, amount, schedule and process start conditions in tabular data,
Software for decoding and executing these tabular data is created in advance as a second software component, and the decrypted tabular data is automatically assigned to the parameters of the first software component. By automatically implementing the above functions, it is possible to automatically create control software and simulator software that can easily support partial additions, deletions, or changes of equipment and operating processes of the target plant. I am trying.

[0007]

[Function] A process procedure data list and equipment definition data list are created based on the plant function definition that is determined by selectively pasting the symbolic figures in which predetermined software is symbolized in advance on the worksheet. The process definition data list and process transition definition based on the contents determined by selectively pasting the first software component to be created and the symbolic figure that symbolizes the operating process on the worksheet in sequence It is possible to easily create at least one or both of the control software and the simulator software by the second software component that creates the table and automatically allocates it as the parameter of the first software component. And

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a flow chart showing a facility part definition process according to the present invention, and FIG. 2 is a flow chart showing a facility definition process. The process shown in FIG. 2 is performed after the facility part definition shown in FIG. 1 is performed in advance. . In FIG. 1, the processes of and are performed, and in FIG. 2, the processes of and are performed. Hereinafter, they will be described in order. In addition, the processing items and the following items correspond to each other.

[0009]) Regarding equipment functions to be controlled, equipment symbols, material distribution paths, equipment system names, etc. are used to determine graphic symbols used in equipment system (process flow) diagrams, and these are drawn in a square frame and registered as a part graphic menu. I'll do it. An example of the parts graphic menu is shown in FIG.

-1) Among the above-mentioned figures, for those having input / output signals to be controlled, the software for supervisory control of the equipment is created in advance as software parts.
An example of software parts is shown in FIG. Here, the controller software component of the component graphic menu a is indicated by a1. Then, these graphic types and software components are associated with each other and registered in the equipment component data list DL1 as shown in FIG.

-2) A component data string is constructed by combining the type of this software component, the input / output parameters and the execution order, and the component procedure data list DL of FIG.
Register in 2. These software components are loaded into the controller (CT), and the processing procedure data having the contents defined by the method described later is referred to so as to execute the calculation.

1) The unit of parts is basically one piece of equipment, but when a plurality of devices are combined to have a series of control functions and a series of operations are repeated, the unit parts created in the above A graphic part menu is combined to form a composite part graphic menu, and the corresponding part data string is registered in the equipment part data list DL1. An example of the composite part graphic menu is shown as b1 and b2 in FIG. 3C, an example of the composite part data list is shown with “*” added in FIG. 4A, and the part procedure data list DL2 is shown in FIG. (B) is shown with an arrow.

-1) Now, by selecting a desired one from a component graphic menu including a composite component and sequentially pasting it on a worksheet, the structure of the equipment is schematically represented by a graphic symbol. When such an operation is performed, software (not shown) operates to extract a data string corresponding to the selected figure from the equipment part data list DL1 as shown in FIG. To generate device connection configuration information on the upstream side and the downstream side of the corresponding device, and automatically generate this information in the equipment definition data list DL3 corresponding to the worksheet. An example of the equipment definition worksheet is shown as WS in FIG. 5A, and an example of the equipment definition data list DL3 is shown in FIG.

-2) Similarly, regarding the item corresponding to the software component in the selected figure, the processing procedure data list D for the controller corresponding to the worksheet WS.
L4 is generated and the software component type is set in this. FIG. 5C shows an example of the processing procedure data list DL4. It can be seen that the data is sequentially arranged for each component type.

By combining the information on the arrangement of parts, the system branching, and the device connection configuration of merging, the equipment system recognition and the input / output interconnection information between the control software parts are also generated, and the processing procedure data Set to list DL4. FIG. 6 shows an example in which the open signal of the shutoff valve is assigned to the input parameter of the on / off signal of the control valve that is located downstream of the shutoff valve and performs PID control. ) Processing procedure data list D for input / output signals of equipment
Set to the input / output parameter in L4.

Although the above is mainly related to the structure of parts, the following is related to the operation process, FIG. 7 is a flowchart showing the process part definition process (-), and FIG.
3 is a flowchart showing a process definition process (-). Hereinafter, processings will be described. Also here, the process-corresponds to the following items-.

With respect to the operating process, the transition path branch and the mode, the graphic symbols used in the process flow chart are determined, drawn in a square frame, and registered as the process part menu m. An example of the process parts menu m is shown in FIG. ) A data string is formed by combining the attribute information of the process corresponding to the figure type, and the data string corresponding to the figure type is shown in FIG.
It is registered as the process part data list DL5 as shown in (b).

-1) A desired part is selected from the process part menu m and attached to a predetermined worksheet to draw an operation process flow chart as shown in FIG. 9C.
In response to this operation, a data string corresponding to the selected figure is extracted from the process part data list DL5, and process connection configurations on the upstream side and the downstream side of the corresponding process part are generated from the pasting position on the worksheet. Information is automatically generated in the process data list DL6 corresponding to the worksheet. An example of the process data list DL6 is shown in FIG.

-2) Similarly, for the item corresponding to the process in the selected figure, the process definition data list DL7 in the table format having the operation process corresponding to the worksheet as a keyword is automatically generated, and this table is created. On the other hand, the content of the process is defined by manually adding information such as the type of material, amount, and time used in the process. Process definition data list DL7
An example of is shown in FIG. Here, only the process name is automatically generated, and data such as set values and time are manually input.

By combining the information of arrangement, process branching, and merging, another table (process transition definition table: DL8) having the process transition route as a keyword is automatically generated, and the process operation signal and the equipment are added to this table. The state transition output signal of the corresponding software component is manually added as a process transition interlock condition to define the process transition content. An example of the process transition definition table DL8 (Table 12) is shown in FIG. The part where the preceding process and the following process are automatically generated, the process operation signal,
This is the part where the interlock signal is manually input.

The software for deciphering and executing the tabular data shown in FIGS. 9 (e) and 10 is prepared as a process control software component. The type (number) of the process control software component and the table number of the tabular data are added to the controller processing procedure data list. FIG. 11 shows equipment parts “1501” and “1502” and Table 11.
(DL7) and Table 12 (DL8) are added. ) In the processing procedure data list for the controller, the material type, amount, and output signal of the equipment operation command determined by the process transition condition and the contents defined by are set as parameters.

In the above description, the case where the control software is mainly created has been described, but the simulator software for simulating the response function of the equipment itself of the plant to be controlled is also the control software. It can be easily obtained by performing the processing as shown in FIGS. 1 and 2 as in the case of creating. An example of the simulator software component is shown as a2 in FIG. FIG. 11 shows the relationship between the simulator and controller software and the processing procedure data list. From the relationship in FIG. 11, it can be seen that the process input / output signals are opposite to each other. That is, according to the present invention, it is possible to create only the simulator software, the controller software, or both.

The data string thus obtained is processed in the same manner as in the conventional case to generate control or simulation software. That is, as shown in FIG. 12, since the processing procedure data and the processing condition data are obtained by the above processing, these data are edited for each purpose for the simulator (SI) and the controller (CT), Get format data. Then, after the source format data is decoded and converted into the execution format data by the compiler, it is loaded into the controller CT and the simulator SI via the loader, and the processing based on this is made executable.

In the above, the figure is unified for each part and is created in advance so that it fits into a square frame, and this is pasted on a worksheet consisting of a plurality of frames of the same size as the part. This is to ensure operability in drawing and easiness in logically handling graphic information.
Furthermore, it can be realized by general-purpose software that operates on inexpensive computer hardware and is easily available. Therefore, not only the development of dedicated software for that purpose, but the development of software similar to the above using CAD software is also included in the scope of the present invention.

[0025]

According to the present invention, the following effects can be expected. (1) Regarding the definition of the facility control function, software corresponding to the facility equipment is assigned one-to-one and made into a component, and the process flow is drawn using the symbol graphic of the facility equipment. It is possible to clearly associate with the wear. (2) In addition to using the same method as the facility function definition for the process definition, the related data is correlated from the parameter of the function definition and set in the tabular data list suitable for the purpose. Functions can be defined in a top-down manner. Also, various parameters determined by tabular data can be specified directly as commands to equipment control, so that the mutual relationship becomes clear.

(3) Since the control software refers to the component type, the input / output parameter and the execution order as the processing procedure data and executes the calculation, the number of execution software and the total volume are significantly reduced and the execution is executed. The processing management of time is unified. As a result, the transparency of the software is increased, and the content inspection load during maintenance / modification / diversification is reduced. (4) Since the contents of the simulator are updated in synchronization with the updating of the control software, the conventional work of testing the test system is unnecessary, and it is possible to always carry out the required functional tests.

[Brief description of drawings]

FIG. 1 is a flowchart showing an equipment part definition process according to the present invention.

FIG. 2 is a flowchart showing a facility definition process according to the present invention.

FIG. 3 is an explanatory diagram illustrating software components corresponding to a graphic menu.

FIG. 4 is an explanatory diagram for explaining equipment parts and equipment procedure data list.

FIG. 5 is an explanatory diagram for explaining a facility definition and a processing procedure data list.

FIG. 6 is an explanatory diagram of an example of automatically generating input / output interconnection information between components.

FIG. 7 is a flowchart showing a process part definition process according to the present invention.

FIG. 8 is a flowchart showing a process definition process according to the present invention.

FIG. 9 is an explanatory diagram for explaining an operating process definition.

FIG. 10 is an explanatory diagram for explaining process transfer definition data.

FIG. 11 is an explanatory diagram illustrating a correspondence relationship between a simulator and a controller.

FIG. 12 is a block diagram for comprehensively explaining the present invention.

[Explanation of symbols]

a, m ... Parts graphic menu, a1, a2 ... Software parts, b1, b2 ... Composite parts graphic menu, DL1-D
L8 ... data list, WS ... worksheet, CT ... controller, SI ... simulator.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Zenji Fujiwara, 1 Kawasaki-cho, Chuo-ku, Chiba-shi, Chiba Kawasaki Steel Co., Ltd. Chiba Works (72) Inventor Takashi Hirai 1 Tanabe Nitta, Kawasaki-ku, Kawasaki-shi, Kanagawa No. 1 Fuji Electric Co., Ltd. (72) Inventor Yoshitomo Takeuchi 1-1 Tanabe Nitta, Kawasaki-ku, Kawasaki-shi, Kanagawa Prefecture Fuji Electric Co., Ltd. (72) Katsumi Muranaka, 1 Tanabe Nitta, Kawasaki-ku, Kawasaki-shi, Kanagawa No. 1 within Fuji Electric Co., Ltd.

Claims (3)

[Claims] 1. An equipment device of a target plant is made into a component as a first software component by using software prepared in advance, parameters necessary for executing the software, and a symbol graphic representing the software. By defining the function using the symbol graphic, the attribute information given to the symbol graphic by the first software component is extracted, and the signal for cooperative operation of the component is automatically generated, and the operation is performed. The material type, amount, schedule, and process starting conditions necessary for defining the process content are defined in tabular data, and software for decoding and executing these tabular data is created in advance as the second software part. , By automatically assigning the decoded tabular data to the parameters of the first software component, a predetermined function can be achieved. A method for developing plant software, characterized by automatically creating control software that can easily support partial addition, deletion, or modification of the equipment and operating process of the target plant . 2. The equipment of the target plant is made into parts as software parts by using software prepared in advance, parameters necessary for executing the software, and a symbol graphic representing the software, and this symbol is used. The feature is that the software for simulator is automatically created by defining the function using the figure and automatically generating the signal for the cooperative operation of the parts by using the attribute information given to the symbol figure. Method for developing plant software. 3. The equipment of the target plant is made into a component as a first software component by using software prepared in advance, parameters necessary for executing the software, and a symbol graphic representing the software. By defining the function using this symbolic figure, the attribute information given to the symbolic figure is used to automatically generate the signal for the linked operation of the parts, and the material type required to define the contents of the operating process. , Quantity, schedule, and process starting conditions are defined in tabular data, software for decoding and executing these tabular data is created in advance as a second software component, and the decoded tabular data is described above. By automatically assigning the parameters of the first software component to realize the specified function, Partial additional 備機 condenser and operating process, the plant software for method development, characterized by automatically creating a readily adaptable control software and software simulator to delete or change.