WO2023160082A1

WO2023160082A1 - Method and apparatus for displaying running logic of distributed control system, device, and storage medium

Info

Publication number: WO2023160082A1
Application number: PCT/CN2022/135199
Authority: WO
Inventors: 罗幸明; 王博; 李德华; 戴晓华
Original assignee: 浙江中控技术股份有限公司
Priority date: 2022-02-25
Filing date: 2022-11-29
Publication date: 2023-08-31
Also published as: WO2023160082A9; CN114545828A

Abstract

The present invention relates to the technical field of industrial control, and provides a method and apparatus for displaying a running logic of a distributed control system, a device, and a storage medium. The method comprises: in response to a trigger operation of a user on a target control in a display interface, acquiring a logic diagram file associated with the target control (S201); deserializing the logic diagram file to generate a target logic diagram (S202); and outputting the target logic diagram to the display interface (S203). A display interface for visually displaying a function block diagram is provided, so that the user can view, from the target logic diagram, data references and function block connection logics in all (or some) function block diagrams which are pre-configured according to each device in the distributed control system, and can also view information such as a real-time data reference and a real-time value of a function block, thereby assisting the on-site industrial control personnel to accurately determine the current running state of the distributed control system, and achieving the effect of improving the running security of the distributed control system.

Description

Distributed control system operating logic display method, device, equipment and storage medium

technical field

The present application relates to the technical field of industrial control, in particular, to a distributed control system operation logic display method, device, equipment and storage medium.

Background technique

Distributed Control System (DCS for short) is a new generation of instrument control system based on microprocessors, adopting the design principles of decentralized control functions, centralized display operations, and both division and autonomy and comprehensive coordination.

At present, it is mainly based on the design requirements of field instruments or sensors in the DCS system, and the required function blocks or data references are called out from the function block library of the Function Block Diagram (FBD) to generate the DCS system. Run the function block diagram, and compile the function block diagram. After the compilation is passed, the control logic program corresponding to the function block diagram can be obtained; then, the control logic program is downloaded to the controller of the DCS system and run in the DCS controller The control logic program is used to realize the control of each equipment in the DCS system.

However, when the control logic program is downloaded to the controller in the DCS system, the controller provides calculation functions according to the control logic program, and there is a problem that the control logic and calculation data of the DCS system cannot be displayed when the DCS system is running. It is difficult to intuitively monitor the changes in the operating status of field instruments or sensors in the DCS system.

Contents of the invention

The object of the present invention is to provide a method, device, equipment and storage medium for displaying the operation logic of a distributed control system in order to solve the problem in the prior art that the control logic of the DCS system cannot be displayed during operation. , and calculation data and other information issues, so that users can intuitively monitor the changes in the operating status of field instruments or sensors in the DCS system.

In order to achieve the above purpose, the technical solution adopted in the embodiment of the present application is as follows:

In the first aspect, the embodiment of the present application provides a distributed control system operating logic display method, which is characterized in that it is applied to the monitoring equipment in the distributed control system, and the distributed control system includes: a controller and the monitoring equipment, the A display interface is provided on the monitoring device, and the method includes:

Responding to the trigger operation of the target control on the display interface by the user, the logic diagram file associated with the target control is obtained; the logic diagram file includes: identification information of each element in the target logic diagram corresponding to the target control And the association information between each element, and the attribute information of the target logic diagram, the target logic diagram is used to characterize the control logic operated by the distributed control system and the real-time value during the calculation process of the control logic, the control logic running on said controller;

Deserializing the logic diagram file to generate the target logic diagram;

Outputting the target logic diagram to the display interface.

Optionally, before obtaining the logic diagram file associated with the target control in response to the trigger operation of the target control on the display interface by the user, the method further includes:

Generate a function block diagram of the operation of the distributed control system according to the connection relationship of each device in the distributed control system;

In response to the user's frame selection operation on the function block diagram in the configuration interface, the target logic diagram is determined, and the target logic diagram includes: the identification information of each element and the association information between each element, and the target logic diagram. Attribute information of the logic diagram, each element is used to provide calculation logic or identify each device in the distributed control system;

Perform serialization processing on the identification information of each element in the target logic diagram, the association information between each element, and the attribute information of the target logic diagram, and generate the logic diagram file.

Optionally, determining the target logic diagram in response to the user's frame selection operation on the function block diagram in the configuration interface includes:

Determine the attribute information of the target logic diagram according to the position and size of the region selected by the frame selection operation;

According to the identification information of each element in the function block diagram selected by the frame selection operation and the association relationship between each element, determine the identification information of each element in the target logic diagram and the association information between each element.

Optionally, performing serialization processing on the identification information of each element in the target logic diagram, the association information between elements, and the attribute information of the target logic diagram, and generating the logic diagram file includes:

Determine the type information of each element according to the identification information of each element in the target logic diagram and the mapping relationship between the identification information of each element and type information;

Obtaining a serialized first byte stream sequence according to the first serialization rule corresponding to the type information of the elements and the association information between the elements;

Obtaining a serialized second byte stream sequence according to the second serialization rule corresponding to the attribute information of the target logic diagram and the attribute information of the target logic diagram;

The logic diagram file is generated according to the first byte stream sequence and the second byte stream sequence.

Optionally, the deserializing the logic diagram file to generate the target logic diagram includes:

Using the first deserialization rule corresponding to the first byte stream sequence to decode the first byte stream sequence in the logic diagram file to obtain the type information of each element and the Association information between elements;

decoding the second byte stream sequence in the logical graph file by using a second deserialization rule corresponding to the second byte stream sequence, to obtain attribute information of the target logical graph;

The target logic diagram is generated according to the type information of the elements, the association information between the elements, and the attribute information of the target logic diagram.

Optionally, the acquiring the logic diagram file associated with the target control identifier includes:

According to the identification of the target control, the logic diagram file is read from the storage path corresponding to the target control.

Optionally, before reading the logic diagram file from the storage path corresponding to the target control according to the identification of the target control, the method further includes:

In response to the user's operation of selecting the target control and the logic diagram file, a corresponding relationship between the target control and the logic diagram file is established.

In the second aspect, the embodiment of the present application also provides a distributed control system operating logic display device, which is applied to the monitoring equipment in the distributed control system. The distributed control system includes: a controller and the monitoring equipment. The monitoring equipment The display interface is provided on the device, and the device includes:

An acquisition module, configured to respond to a user's trigger operation on the target control on the display interface, and acquire a logic diagram file associated with the target control; the logic diagram file includes: a target logic diagram corresponding to the target control The identification information of each element, the association information between each element, and the attribute information of the target logic diagram, and the target logic diagram is used to represent the control logic of the distributed control system and the calculation process of the control logic real-time values, the control logic running on the controller;

A generating module, configured to deserialize the logic diagram file to generate the target logic diagram;

An output module, configured to output the target logic diagram to the display interface.

Optionally, the acquisition module is also used for:

Determine the identification information of each element in the target logic diagram and the association information between each element according to the identification information of each element in the function block diagram selected by the frame selection operation and the association relationship between each element.

Optionally, the generating module is also used for:

Optionally, the acquisition module is also used for:

Optionally, the device also includes:

The establishment module is used to respond to the user's operation of selecting the target control and the logic diagram file, and establish the corresponding relationship between the target control and the logic diagram file.

In the third aspect, the embodiment of the present application also provides an electronic device, including: a processor, a storage medium, and a bus. The storage medium stores machine-readable instructions executable by the processor. When the electronic device is running, The processor communicates with the storage medium through a bus, and the processor executes the machine-readable instructions to perform the steps of the method provided in the first aspect.

In the fourth aspect, the embodiment of the present application also provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the steps of the method provided in the first aspect are executed. .

The beneficial effect of this application is:

The embodiment of the present application provides a distributed control system operating logic display method, device, equipment and storage medium, which are applied to the monitoring equipment in the distributed control system. The decentralized control system includes: a controller and monitoring equipment, and a display interface is provided on the monitoring equipment. The method includes: responding to the trigger operation of the target control on the display interface by the user, and obtaining a logic diagram file associated with the target control; the logic diagram file includes: the identification information of each element in the target logic diagram corresponding to the target control and the relationship between each element The correlation information between and the attribute information of the target logic diagram. The target logic diagram is used to represent the control logic of the distributed control system and the real-time value in the calculation process of the control logic. The control logic runs on the controller; reverse the sequence of the logic diagram file process to generate the target logic diagram; output the target logic diagram to the display interface. This scheme proposes a method for displaying the operation logic of the distributed control system, mainly by providing a display interface for visually displaying the function block diagram, responding to the user's trigger operation on the target control in the display interface, to obtain the information related to the target control Associated pre-generated logic diagram file, which is generated based on the frame selection operation of all (or part) of the user's pre-configured function block diagram; and deserializes the obtained logic diagram file Process, generate the target logic diagram, and output the target logic diagram to the display interface at the same time, so that the user can view all (or some) of the function blocks that have been pre-configured according to each device in the DCS system from the target logic diagram Data references in the diagram, function block connection logic, and real-time data references, real-time values of function blocks and other information can also be viewed. In this way, it is convenient for on-site industrial control personnel to view the target logic diagram of each device in the distributed control system in real time in the display interface, and understand the control logic, control logic calculation process and data calculation intermediate value of each device from the target logic diagram And other information, so as to assist the on-site industrial control personnel to accurately judge the current operating status of the DCS system, and achieve the effect of improving the safety of the decentralized control system operation.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

FIG. 1 is a schematic structural diagram of an electronic device provided in an embodiment of the present application;

FIG. 2 is a schematic flowchart of a method for displaying the operation logic of a distributed control system provided by an embodiment of the present application;

Fig. 3 is a schematic diagram 1 of the display interface provided by the embodiment of the present application;

FIG. 4 is a second schematic diagram of the display interface provided by the embodiment of the present application;

Fig. 5 is a schematic flow diagram of another distributed control system operation logic display method provided by the embodiment of the present application;

FIG. 6 is a schematic diagram of a configuration interface provided by an embodiment of the present application;

Fig. 7 is a schematic flowchart of another method for displaying the operation logic of the distributed control system provided by the embodiment of the present application;

Fig. 8 is a schematic flowchart of another method for displaying the operation logic of the distributed control system provided by the embodiment of the present application;

FIG. 9 is a schematic flow diagram of another distributed control system operation logic display method provided by the embodiment of the present application;

Fig. 10 is a schematic structural diagram of a distributed control system operation logic display device provided by the embodiment of the present application.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It should be understood that the appended The figures are only for the purpose of illustration and description, and are not used to limit the protection scope of the present application. Additionally, it should be understood that the schematic drawings are not drawn to scale. The flowcharts used in this application illustrate operations implemented in accordance with some embodiments of the application. It should be understood that the operations of the flowcharts may be performed out of order, and steps that have no logical context may be performed in reverse order or concurrently. In addition, those skilled in the art may add one or more other operations to the flowchart or remove one or more operations from the flowchart under the guidance of the content of the present application.

In addition, the described embodiments are only some of the embodiments of the application, not all of the embodiments. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present application.

It should be noted that the term "comprising" will be used in the embodiments of the present application to indicate the existence of the features stated later, but does not exclude the addition of other features.

First of all, before the technical solution provided by the application is described in detail, the relevant background involved in the application will be briefly described.

Before the proposal of this application, at present, it is mainly based on the design requirements of field instruments or sensors in the DCS system that the user will call the required function blocks or data references from the Function Block Diagram (Function Block Diagram, referred to as FBD) function block library. out, and fill in the parameter table with reference to the design requirements and system specifications, and complete the user configuration after connecting each function block with the on-site process variable to generate the function block diagram of the DCS system operation; after the function block diagram is compiled, the corresponding function block diagram is obtained The control logic program; then, download the control logic program to the controller of the DCS system, and run the control logic program in the DCS controller to realize the control of each device in the DCS system, so as to control each device in the DCS system Runtime status for auxiliary judgment.

In order to solve the technical problems in the above-mentioned prior art, this application proposes a method for displaying the operation logic of the distributed control system, mainly by providing a display interface for visually displaying the function block diagram, and responding to the user's response to the display interface. The target control performs a trigger operation to obtain a pre-generated logic diagram file associated with the target control, and the logic diagram file is generated based on a frame selection operation on all (or part) of the function block diagram configured in advance by the user; And deserialize the obtained logic diagram file to generate the target logic diagram, and output the target logic diagram to the display interface at the same time, so that the user can view from the target logic diagram according to each device in the DCS system. Data references and function block connection logic in all (or part of) function block diagrams after configuration, and information such as real-time data references and real-time values of function blocks can also be viewed. In this way, it is convenient for on-site industrial control personnel to view the target logic diagram of each device in the distributed control system in real time in the display interface, and understand the control logic, control logic calculation process and data calculation intermediate value of each device from the target logic diagram And other information, so as to assist the on-site industrial control personnel to accurately judge the current operating status of the DCS system, and achieve the effect of improving the safety of the decentralized control system operation.

Fig. 1 is a schematic structural diagram of an electronic device provided in the embodiment of the present application; the monitoring device in the DCS system provided in the present embodiment may be the electronic device shown in Fig. 1, as shown in Fig. 1, the electronic device may be A processing device such as a computer or a server is used to implement the distributed control system operation logic presentation method provided in this application.

As shown in FIG. 1 , the electronic device includes: a memory 101 and a processor 102 . The memory 101 and the processor 102 are electrically connected to each other directly or indirectly to realize data transmission or interaction. For example, these components can be electrically connected to each other through one or more communication buses or signal lines.

Stored in the memory 101 are software function modules stored in the memory 101 in the form of software or firmware (firmware), and the processor 102 executes various functional applications and data processing by running the software programs and modules stored in the memory 101, That is, the method for displaying the operation logic of the distributed control system in the embodiment of the present application is implemented.

Wherein, memory 101 can be, but not limited to, random access memory (Random Access Memory, RAM), read-only memory (Read Only Memory, ROM), programmable read-only memory (Programmable Read-OnlyMemory, PROM), erasable In addition to read-only memory (Erasable Programmable Read-Only Memory, EPROM) and so on. Wherein, the memory 101 is used to store programs, and the processor 102 executes the programs after receiving execution instructions.

The processor 102 may be an integrated circuit chip with signal processing capability. The above-mentioned processor 102 may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP) and the like.

It can be understood that the structure shown in FIG. 1 is only for illustration, and the electronic device may also include more or less components than those shown in FIG. 1 , or have a configuration different from that shown in FIG. 1 . Each component shown in Fig. 1 may be implemented by hardware, software or a combination thereof.

The method for displaying the operation logic of the distributed control system provided by the present application and the corresponding beneficial effects will be described through multiple specific embodiments as follows.

Referring to Figure 2, the distributed control system operation logic display method provided by this application is applied to the monitoring equipment deployed on the electronic equipment provided in the above embodiment. The distributed control system includes: a controller and monitoring equipment, and a display interface is provided on the monitoring equipment. .

It should be understood that in other embodiments, the order of some steps in the distributed control system operation logic presentation method may be exchanged according to actual needs, or some steps may also be omitted or deleted. As shown in Figure 2, the method includes:

S201. Obtain a logic diagram file associated with the target control in response to a user's trigger operation on the target control on the display interface.

Among them, the logic diagram file includes: the identification information of each element in the target logic diagram corresponding to the target control, the association information between each element, and the attribute information of the target logic diagram. The target logic diagram is used to represent the control of the operation of the distributed control system The logic and control logic calculate the real-time values in the process, and the control logic runs on the controller.

Optionally, the logic diagram is a pre-configured all (or part) function block diagram according to each device in the DCS system, and each element in the logic diagram is all (or part) function block diagrams after configuration Data references, function blocks. Correspondingly, the identification information between each element is the data reference or the attribute information of the function block, such as the tag number of the function block and the tag name bound to the data reference; the association information between the elements is all after configuration (or Part) in the function block diagram of the connection relationship between function blocks and function blocks, function blocks and data references. Among them, data references can be bound to tag numbers (that is, on-site process variables in the DCS system, such as temperature, air pressure, etc.), and the connection relationship between function blocks and between function blocks and data references can be referenced through input and output. Foot connection.

It should be understood that the connection relationship between function blocks and between function blocks and data references can represent the transfer relationship between the input and output values of each device in the DCS system.

Optionally, the attribute information of the target logic diagram may include: the size, name, and coordinate points of the logic diagram.

Exemplarily, for example, the logic diagram file may be a file in .pic format. That is, structured data such as the identification information of each element in the logic diagram, the relationship information between elements, and the attribute information of the logic diagram can be converted into the .pic format according to a certain coding standard.

As shown in FIG. 3 , at least one control such as opening logic diagram 1 and opening logic diagram 2 is displayed on the display interface. Among them, the logic diagram 1 is used to represent the control logic of the field instrument 1 in the DCS system when it is running, and the logic diagram 2 is used to represent the control logic of the sensor 1 in the DCS system when it is running.

During the entire operation of the DCS system, when the user needs to view the control logic of the field instrument 1, the monitoring device responds to the user’s trigger operation to open the logic diagram 1 in the display interface, and obtains the target control corresponding to the "open logic diagram 1". Associated logic diagram files.

S202. Perform deserialization processing on the logic diagram file to generate a target logic diagram.

Optionally, deserialize the data in the specified format in the logic diagram file, convert the data in the specified format in the logic diagram file into structured data, and generate the target logic diagram according to the converted structured data. For example, refer to Figure 4, which is the target logic diagram generated after deserialization.

S203. Output the target logic diagram to the display interface.

On the basis of the above embodiments, the target logic diagram generated above can be output to the display interface, so that the on-site industrial control personnel can view all the pre-configured ( or part of) the data references and function block connection logic in the FBD function block diagram, and you can also view real-time data references, real-time values of function blocks and other information, so as to assist on-site industrial control personnel to accurately judge the current operating status of the DCS system and achieve It has the effect of improving the security of the operation of the distributed control system.

For example, continuing to refer to Figure 4, on-site industrial control personnel can see from the logic diagram shown in Figure 4 that the data reference bound to the first input pin of the ADD function block is AI00020000.PV, for example, AI00020000.PV is used for identification The value generated when the field instrument 1 is running in the DCS system, that is, the real-time value of the current field instrument 1 running is 1.0000.

To sum up, the embodiment of the present application provides a method for displaying the operation logic of the distributed control system, which is applied to the monitoring equipment in the distributed control system. The decentralized control system includes: a controller and monitoring equipment, and a display interface is provided on the monitoring equipment. The method Including: responding to the trigger operation of the target control on the display interface by the user, and obtaining the logic diagram file associated with the target control; the logic diagram file includes: the identification information of each element in the target logic diagram corresponding to the target control and the relationship between each element Correlation information and attribute information of the target logic diagram. The target logic diagram is used to represent the control logic of the distributed control system and the real-time value in the calculation process of the control logic. The control logic runs on the controller; the logic diagram file is deserialized , generate the target logic diagram; output the target logic diagram to the display interface. This scheme proposes a method for displaying the operation logic of the distributed control system, mainly by providing a display interface for visually displaying the function block diagram, responding to the user's trigger operation on the target control in the display interface, to obtain the information related to the target control The associated pre-generated logic diagram file, which is generated based on the selection operation of all (or part) of the user's pre-configured function block diagram; and deserializes the acquired logic diagram file Process, generate the target logic diagram, and output the target logic diagram to the display interface at the same time, so that the user can view all (or some) of the function blocks that have been pre-configured according to each device in the DCS system from the target logic diagram Data references in the diagram, function block connection logic, and real-time data references, real-time values of function blocks and other information can also be viewed. In this way, it is convenient for on-site industrial control personnel to view the target logic diagram of each device in the distributed control system in real time in the display interface, and understand the control logic, control logic calculation process and data calculation intermediate value of each device from the target logic diagram And other information, so as to assist the on-site industrial control personnel to accurately judge the current operating status of the DCS system, and achieve the effect of improving the safety of the decentralized control system operation.

How to generate each logic diagram file before the above step S201 will be specifically explained through the following embodiments.

It should be noted that the device for generating each logic diagram file is the same electronic device as the monitoring device in the above-mentioned DCS system, or it may be a different electronic device. For example, if the device that generates each logic diagram file is electronic device A, then each logic diagram file generated by electronic device A can be sent to the monitoring device, or sent to a specified buffer area, and then the monitoring device can retrieve the files from the monitoring device according to the acquisition instruction. Each logic diagram file is obtained from the cache area.

Optionally, as shown in FIG. 5 , before obtaining the logic diagram file associated with the target control in response to the user’s trigger operation on the target control on the display interface, further include:

S501. Generate a function block diagram of the operation of the distributed control system according to the connection relationship of each device in the distributed control system.

For example, as shown in Figure 6, the user can call out the required function blocks or data references from the function block library displayed in the configuration interface according to the connection relationship of each device in the distributed control system and the design requirements. The user configuration is completed after the block is connected with the data reference, and the function block diagram for the operation of the distributed control system is generated.

Optionally, while performing the above steps, information such as layout coordinates, types, attributes, and operating parameters of function blocks, and information such as coordinates, types, and binding bit numbers of data references are recorded.

It is worth noting that the function block supports the setting of input and output pin properties, activation status, parameter information, execution sequence, etc., and data references can be bound to tags (on-site process variables, such as temperature of thermometers, pressure values of pressure gauges, etc.), Function blocks and function blocks, and function blocks and data references can be connected through input and output pins to indicate the transfer of input and output values between the two.

S502. Determine the target logic diagram in response to the user's frame selection operation on the function block diagram in the configuration interface.

Wherein, the target logic diagram includes: the identification information of each element, the association information between each element, and the attribute information of the target logic diagram, and each element is used to provide calculation logic or identify each device in the distributed control system.

In this embodiment, in order to improve the viewing efficiency of the control logic of each device in the distributed control system during operation, it is proposed that the function block diagram after the above configuration can also be framed to divide the function block diagram into multiple Part, that is, each sub-function block diagram obtained after division is called a logic diagram.

Optionally, continuing to refer to Figure 6, in response to the user's frame selection operation on the function block diagram in the configuration interface, the coordinates and size of the target logic diagram can be obtained after the frame selection operation is completed, through the coordinates, each function block coordinates, the coordinates of each data reference, and the coordinates of each connection line, which function blocks, data references, and connection lines are framed can be calculated, and the positions of these elements relative to the target logic frame can be calculated. At this point, the user frame can be determined Selected target logic diagram.

S503. Perform serialization processing on the identification information of each element in the target logic diagram, the association information between each element, and the attribute information of the target logic diagram, and generate a logic diagram file.

In this embodiment, in order to facilitate the transmission of various information contained in the target logic diagram, it is proposed that a serialization method can be used to record the identification information of each element in the target logic diagram, the association information between elements, and the target The structured data such as the attribute information of the logic diagram is serialized to obtain a series of binary byte streams after processing, and the binary byte stream is stored in a document to generate the logic corresponding to the target logic diagram Diagram files, so that the generated logic diagram files can be saved in storage devices or exchange data with other systems.

In combination with the following embodiments, how to determine the target logic diagram in response to the user's frame selection operation on the function block diagram in the configuration interface will be explained in detail.

Optionally, as shown in FIG. 7, in the above step S502, in response to the user's frame selection operation on the function block diagram in the configuration interface, the target logic diagram is determined, including:

S701. Determine the attribute information of the target logic diagram according to the position and size of the area selected by the frame selection operation.

Optionally, for example, the attribute information of the target logic graph may include: height, width, and coordinates of each vertex.

In this embodiment, for example, the framed area selected by the frame selection operation is a rectangle, and the position and size of the framed area can be determined according to the frame selection operation. Wherein, the position of the selected area is the coordinates of each vertex corresponding to the area, and the size of the area is the length and width corresponding to the area. That is, the position of the selected area can be used as the coordinates of each vertex in the target logic diagram, and the area size of the selected area can be used as the height and width of the target logic diagram.

S702. Determine the identification information of each element and the association information between elements in the target logic diagram according to the identification information of each element in the function block diagram selected by the frame selection operation and the association relationship between each element.

Optionally, in this embodiment, part (or all) of the functional block diagrams falling within the above-mentioned framed area are determined, and the identification information of each element in the framed functional block diagram and the as the identification information of each element in the target logic diagram and the association information between each element; then, according to the identification information of each element in the target logic diagram, the association information between each element, and the target logic diagram attribute information to get the selected target logic diagram.

Optionally, the user can perform multiple frame selection operations in the configuration interface according to actual business monitoring requirements, so as to obtain multiple logic diagrams by frame selection.

In addition, when the selected logic diagram includes a certain data reference, and the data reference is bound to a reference tag (field process variable), another logic diagram associated with it can also be opened through the reference tag to improve The viewing efficiency of each logic diagram.

Through the following embodiments, how to serialize the identification information of each element in the target logic diagram, the association information between elements, and the attribute information of the target logic diagram to generate a logic diagram file.

Optionally, as shown in FIG. 8 , in step S503 above, the identification information of each element in the target logic diagram, the association information between elements, and the attribute information of the target logic diagram are serialized to generate a logic diagram file, include:

S801. Determine the type information of each element according to the identification information of each element in the target logic diagram and the mapping relationship between the identification information of each element and the type information.

S802. Obtain a serialized first byte stream sequence according to the first serialization rule corresponding to the type information of each element and the association information between each element.

Among them, the serialization process converts different types of object data into binary byte stream serialization for transmission.

In this embodiment, in order to improve the serialization processing efficiency, mainly different serialization rules are adopted according to different types of object data to realize the serialization processing process.

Optionally, the type of each element can be determined according to the identification information of each element in the target logic diagram and the mapping relationship between the identification information of each element and the type information; then, the type information of each element (such as Function block type, data reference type, etc.) corresponding to the first serialization rule, serialize the associated information between each element, obtain the first byte stream sequence after serialization of each element, and generate the first The byte stream sequence can reflect the associated information of each element (that is, the pixel coordinates of the lines between interrelated elements) and/or information such as the position of each element in the serialized data.

S803. Obtain a serialized second byte stream sequence according to the second serialization rule corresponding to the attribute information of the target logic diagram and the attribute information of the target logic diagram.

Wherein, the second serialization rule and the above-mentioned first serialization rule are two different serialization rules.

Optionally, according to the second serialization rule corresponding to the attribute information of the target logic diagram, the association information between the elements can be serialized to obtain the second byte stream sequence after the serialization of each element.

S804. Generate a logic diagram file according to the first byte stream sequence and the second byte stream sequence.

On the basis of the foregoing embodiments, the generated second byte stream sequence may be added to the first byte stream sequence to obtain a binary byte stream sequence, and the binary byte stream sequence may be used as a logic diagram file.

Through the following examples, how to deserialize the logic diagram file to generate the target logic diagram will be explained in detail.

Optionally, as shown in Figure 9, the logic diagram file is deserialized to generate a target logic diagram, including:

S901. Using a first deserialization rule corresponding to the first byte stream sequence, decode the first byte stream sequence in the logic diagram file to obtain type information of each element and association information between elements.

Wherein, the deserialization process is to deserialize the binary byte stream sequence generated above to generate structured data.

Optionally, the first deserialization rule is an inverse processing process of the first serialization rule.

In this embodiment, the first byte stream sequence and the second byte stream sequence are deserialized according to different deserialization rules, so as to obtain the identification information of each element in the target logic diagram, and the relationship between each element. The association information between and the attribute information of the target logic diagram.

Specifically, first use the first deserialization rule corresponding to the first byte stream sequence to decode the first byte stream sequence in the logic diagram file to obtain the type information of each element in the target logic diagram, and each element relational information between them.

S902. Using a second deserialization rule corresponding to the second byte stream sequence, decode the second byte stream sequence in the logic graph file to obtain attribute information of the target logic graph.

Wherein, the second deserialization rule and the above-mentioned first serialization rule are two different deserialization rules, and the second deserialization rule is an inverse processing process of the second serialization rule.

Optionally, use the second deserialization rule corresponding to the second byte stream sequence to decode the second byte stream sequence in the logic diagram file to obtain attribute information in the target logic diagram.

S903. Generate the target logic diagram according to the type information of each element, the association information between each element, and the attribute information of the target logic diagram.

In this embodiment, the target region where the target logic diagram is located can be drawn first according to the attribute information of the target logic diagram; then, according to the type information of each element, and the mapping relationship between the identification information and the type information of each element, Find the identification information of each element in the target logic diagram; finally, combine the identification information of each element in the target logic diagram and the association information between each element, connect the associated elements in the target area, To restore the same layout state and connection logic of the function block diagram as the configured function block diagram, that is, generate the target logic diagram.

It is worth noting that the identification information of each element obtained after deserialization includes: the attribute information of the function block or data reference, which includes the tag name of the function block tag and the data reference binding, through the function block tag can be In the data management module, the real-time value of each pin of the function block can be queried, and the data reference bit number can be queried for the real-time value of the bit number, and these real-time values are displayed on the positions of the respective pins according to the coordinates to realize the real-time value of the logic diagram show.

In addition, function blocks and data reference pins can be displayed in the logic diagram to set the alarm limit. When the real-time value exceeds the alarm limit, the pin or function block can flash according to the color level, providing color alarm function, and assisting in judging the operation of the DCS system state.

Through the following embodiments, how to obtain the logic diagram file associated with the identification of the target control will be explained in detail.

Optionally, obtain the logic diagram file associated with the identification of the target control, including:

According to the identifier of the target control, the logic diagram file is read from the storage path corresponding to the target control.

Among them, the display interface provided by the monitoring device can display multiple controls, and the logic diagram file associated with the identification of each control can be stored in a designated buffer area, so that the target control can be selected according to the identification information of each control. Read the logic diagram file in the corresponding storage path to ensure the accuracy of the obtained logic diagram file.

Optionally, according to the identification of the target control, before reading the logic diagram file from the storage path corresponding to the target control, further include:

In this embodiment, it is also necessary to establish the corresponding relationship between each control and its associated logical file, so as to quickly find the corresponding relationship between each control and its associated logical file according to the identification of each control and the corresponding relationship between each control and its associated logical file logic diagram file.

In a practicable manner, in response to the user's selection of the target control and the association operation of the logic diagram file, a corresponding relationship between the target control and the logic diagram file is established.

The following describes the corresponding devices and storage media for implementing the distributed control system operation logic display method provided by this application. The specific implementation process and technical effects refer to the above, and will not be repeated below.

Optionally, as shown in Figure 10, the device includes:

The obtaining module 1001 is used to respond to the trigger operation of the target control on the display interface by the user, and obtain the logic diagram file associated with the target control; the logic diagram file includes: the identification information of each element in the target logic diagram corresponding to the target control and each The correlation information between elements and the attribute information of the target logic diagram. The target logic diagram is used to represent the control logic of the distributed control system and the real-time value in the calculation process of the control logic. The control logic runs on the controller.

The generation module 1002 is configured to deserialize the logic diagram file to generate a target logic diagram.

The output module 1003 is used to output the target logic diagram to the display interface.

Optionally, the acquisition module 1001 is also used for:

According to the connection relationship of each device in the distributed control system, a function block diagram of the operation of the distributed control system is generated.

In response to the user's frame selection operation on the function block diagram in the configuration interface, determine the target logic diagram. The target logic diagram includes: the identification information of each element and the association information between each element, and the attribute information of the target logic diagram, each element Used to provide calculation logic or to identify individual devices in a distributed control system.

Serialize the identification information of each element in the target logic diagram, the association information between elements, and the attribute information of the target logic diagram to generate a logic diagram file.

Optionally, the acquisition module 1001 is also used for:

According to the position and size of the area selected by the frame selection operation, the attribute information of the target logic diagram is determined.

According to the identification information of each element in the function block diagram selected by the frame selection operation and the association relationship between each element, the identification information of each element in the target logic diagram and the association information between each element are determined.

Optionally, the generating module 1002 is also used for:

The type information of each element is determined according to the identification information of each element in the target logic diagram and the mapping relationship between the identification information of each element and the type information.

According to the first serialization rule corresponding to the type information of each element and the association information between each element, the serialized first byte stream sequence is obtained.

According to the second serialization rule corresponding to the attribute information of the target logic diagram and the attribute information of the target logic diagram, a serialized second byte stream sequence is obtained.

A logic diagram file is generated according to the first byte stream sequence and the second byte stream sequence.

Optionally, the generating module 1002 is also used for:

Using the first deserialization rule corresponding to the first byte stream sequence, the first byte stream sequence in the logic diagram file is decoded to obtain the type information of each element and the association information between each element.

Using the second deserialization rule corresponding to the second byte stream sequence, the second byte stream sequence in the logic diagram file is decoded to obtain the attribute information of the target logic diagram.

The target logic diagram is generated according to the type information of each element, the association information between each element, and the attribute information of the target logic diagram.

Optionally, the acquisition module 1001 is also used for:

According to the identification of the target control, read the logic diagram file from the storage path corresponding to the target control.

Optionally, the device also includes:

The above-mentioned device is used to execute the methods provided in the foregoing embodiments, and its implementation principles and technical effects are similar, and details are not repeated here.

The above modules may be one or more integrated circuits configured to implement the above method, for example: one or more specific integrated circuits (Application Specific Integrated Circuit, referred to as ASIC), or, one or more microprocessors (digital signal processor, DSP for short), or, one or more Field Programmable Gate Arrays (Field Programmable Gate Array, FPGA for short), etc. For another example, when one of the above modules is implemented in the form of a processing element scheduling program code, the processing element may be a general-purpose processor, such as a central processing unit (Central Processing Unit, CPU for short) or other processors that can call program codes. For another example, these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC for short).

Optionally, the present invention further provides a program product, such as a computer-readable storage medium, including a program, and the program is used to execute the foregoing method embodiments when executed by a processor.

In the several embodiments provided by the present invention, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to realize the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware, or in the form of hardware plus software functional units.

The above-mentioned integrated units implemented in the form of software functional units may be stored in a computer-readable storage medium. The above-mentioned software functional units are stored in a storage medium, and include several instructions to enable a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (English: processor) to execute the program described in each embodiment of the present invention. part of the method. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (English: Read-Only Memory, abbreviated: ROM), random access memory (English: Random Access Memory, abbreviated: RAM), magnetic disk or optical disc, etc. Various media that can store program code.

Claims

A distributed control system operation logic display method, characterized in that it is applied to monitoring equipment in the distributed control system, the distributed control system includes: a controller and the monitoring equipment, a display interface is provided on the monitoring equipment, the Methods include:

Responding to the trigger operation of the target control on the display interface by the user, the logic diagram file associated with the target control is obtained; the logic diagram file includes: identification information of each element in the target logic diagram corresponding to the target control And the association information between each element, and the attribute information of the target logic diagram, the target logic diagram is used to characterize the control logic operated by the distributed control system and the real-time value during the calculation process of the control logic, the control logic running on said controller;

Deserializing the logic diagram file to generate the target logic diagram;

Outputting the target logic diagram to the display interface.
The method according to claim 1, wherein, before obtaining the logic diagram file associated with the target control in response to the trigger operation of the user on the target control on the display interface, further comprising:

Generate a function block diagram of the operation of the distributed control system according to the connection relationship of each device in the distributed control system;

In response to the user's frame selection operation on the function block diagram in the configuration interface, the target logic diagram is determined, and the target logic diagram includes: the identification information of each element and the association information between each element, and the target logic diagram. Attribute information of the logic diagram, each element is used to provide calculation logic or identify each device in the distributed control system;

Perform serialization processing on the identification information of each element in the target logic diagram, the association information between each element, and the attribute information of the target logic diagram, and generate the logic diagram file.
The method according to claim 2, wherein the response to the user's frame selection operation on the function block diagram in the configuration interface to determine the target logic diagram includes:

Determine the attribute information of the target logic diagram according to the position and size of the region selected by the frame selection operation;

Determine the identification information of each element in the target logic diagram and the association information between each element according to the identification information of each element in the function block diagram selected by the frame selection operation and the association relationship between each element.
The method according to claim 2, characterized in that, performing serialization processing on the identification information of each element in the target logic diagram, the association information between each element, and the attribute information of the target logic diagram, Generate the logic diagram file, including:

Determine the type information of each element according to the identification information of each element in the target logic diagram and the mapping relationship between the identification information of each element and type information;

Obtaining a serialized first byte stream sequence according to the first serialization rule corresponding to the type information of the elements and the association information between the elements;

Obtaining a serialized second byte stream sequence according to the second serialization rule corresponding to the attribute information of the target logic diagram and the attribute information of the target logic diagram;

The logic diagram file is generated according to the first byte stream sequence and the second byte stream sequence.
The method according to claim 4, wherein the deserializing the logic diagram file to generate the target logic diagram comprises:

Using the first deserialization rule corresponding to the first byte stream sequence to decode the first byte stream sequence in the logic diagram file to obtain the type information of each element and the Association information between elements;

decoding the second byte stream sequence in the logical graph file by using a second deserialization rule corresponding to the second byte stream sequence, to obtain attribute information of the target logical graph;

The target logic diagram is generated according to the type information of the elements, the association information between the elements, and the attribute information of the target logic diagram.
The method according to claim 1, wherein said obtaining the logic diagram file associated with the identification of the target control comprises:

According to the identification of the target control, read the logic diagram file from the storage path corresponding to the target control.
The method according to claim 6, wherein, before reading the logic diagram file from the storage path corresponding to the target control according to the identification of the target control, further comprising:

In response to the user's operation of selecting the target control and the logic diagram file, a corresponding relationship between the target control and the logic diagram file is established.
A distributed control system operating logic display device is characterized in that it is applied to the monitoring equipment in the distributed control system, the distributed control system includes: a controller and the monitoring equipment, the monitoring equipment provides a display interface, the Devices include:

An acquisition module, configured to respond to a user's trigger operation on the target control on the display interface, and acquire a logic diagram file associated with the target control; the logic diagram file includes: a target logic diagram corresponding to the target control The identification information of each element, the association information between each element, and the attribute information of the target logic diagram, the target logic diagram is used to represent the control logic of the operation of the distributed control system and the calculation process of the control logic real-time values, the control logic running on the controller;

A generating module, configured to deserialize the logic diagram file to generate the target logic diagram;

An output module, configured to output the target logic diagram to the display interface.
An electronic device, characterized in that it includes: a processor, a storage medium and a bus, the storage medium stores machine-readable instructions executable by the processor, and when the electronic device is running, the processor and the The storage media communicate with each other through a bus, and the processor executes the machine-readable instructions to perform the steps of the method according to any one of claims 1-7.
A computer-readable storage medium, wherein a computer program is stored on the storage medium, and when the computer program is executed by a processor, the steps of the method according to any one of claims 1-7 are executed.