CN117201226A

CN117201226A - Fieldbus equipment scanning method and system based on FDT coupling DCS configuration

Info

Publication number: CN117201226A
Application number: CN202311123989.0A
Authority: CN
Inventors: 赵阳; 胡华军; 王哲蓓; 曹威; 石祥建; 蔡丹; 娄清辉
Original assignee: NR Electric Co Ltd; NR Engineering Co Ltd
Current assignee: NR Electric Co Ltd; NR Engineering Co Ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2023-12-08

Abstract

The field bus equipment scanning method and system based on FDT coupling DCS configuration, and DCS configuration information is issued to a DCS controller; adding a communication DTM in the FDT upper computer, automatically scanning the communication DTM, sending a message for reading the configuration information of the communication card to a controller connected with the communication DTM by the FDT upper computer, and sending a corresponding response message to the FDT upper computer by the controller; the FDT upper computer analyzes and acquires the configuration information of the communication card from the response message, and automatically adds a gateway DTM under the communication DTM; after the gateway DTM is added, the FDT upper computer sends a message for reading the configuration information of the field bus equipment connected with the communication card to the controller, the controller sends a corresponding response message to the FDT upper computer, the FDT upper computer analyzes and acquires the configuration information of the field bus equipment from the response message, and the bus equipment DTM is automatically added under the communication DTM; and scanning the field bus device by using the FDT upper computer.

Description

Fieldbus equipment scanning method and system based on FDT coupling DCS configuration

Technical Field

The application belongs to the field of industrial automation control, and particularly relates to a field bus device scanning method and system based on FDT coupling DCS configuration.

Background

In recent years, the requirements of industrial enterprises on functions such as management, predictive maintenance, statistical analysis and the like of on-site intelligent instrument equipment are more and more urgent, and in order to meet the requirements and improve the production efficiency, an equipment management system integrating parameter adjustment, asset management, predictive maintenance and statistical analysis functions needs to be designed, and a technology is needed to integrate different configuration tools and equipment management tools into a single engineering and maintenance environment. The automation technology of the chemical instrument is continuously developed in a large scale, the equipment is various and complex, and an equipment management system is urgently needed to improve the openness of a platform, comprehensively support the advanced functions of equipment management and improve the bus compatibility of the equipment management, so that the requirements of petrochemical sites are met.

In the prior art, field Device Tool (FDT) is used as a standardized interface specification for data exchange between field devices and control systems or engineering and asset management tools, supporting most of the currently prevailing fieldbus protocols, and device type manager (Device Type Manager, DTM) is a software component developed by the device manufacturer, containing device-related application software. The FDT uses a communication DTM as a communication drive through a framework application program, uses a gateway DTM to manage the conversion of data between DTMs of different upper and lower bus protocols, and establishes a management system of the field bus device through a software component device DTM describing the field device provided by a device manufacturer.

In the prior art (CN 103281204B), an EDDL framework is built in a host system, the DD framework can analyze DD files of equipment, and various operation function interfaces of interaction between the host system and field equipment are realized; constructing a device hierarchy under the FDT technology conforming to the EDDL framework hierarchy, namely an FDT framework, in a host system; an instrument driving shell is arranged between the EDDL frame and the FDT frame, and a connecting bridge is established between the EDDL driving network and the FDT driving network through the instrument driving shell; the instrument driver shell interacts with the device drivers in the EDDL framework and interacts with the gateway or communication device under the FDT framework. The method integrates and is compatible with two technical standards EDDL and FDT/DTM under the same frame model. But the prior art is directed to a traditional scenario of deploying only FDTs. In addition, DTM management software (FDT architecture) in the prior art performs traversal registration identification by sending a message to scan each field bus instrument device, each device on site performs message response, the process involves a large amount of message reading and writing, the time consumption is long, the method is particularly not suitable for the characteristics of large variety and huge quantity of chemical enterprise devices, and meanwhile, the hidden trouble of scanning interruption caused by field network and device faults exists, so that a lot of difficulties are added to field debugging work.

Disclosure of Invention

In order to solve the defects in the prior art, the application provides a field bus device scanning method and a field bus device scanning system based on FDT coupling DCS configuration, which send a rapid scanning gateway DTM message and a rapid scanning device DTM message to a controller in a mode of FDT coupling distributed control system (Distributed Control System, DCS) configuration information, receive a rapid scanning response message returned according to the DCS configuration information from the controller, automatically add the gateway DTM and the device DTM according to the response message, and do not need to traverse the field bus device, thereby forming rapid positioning, scanning and rapid configuration of the field bus device, establishing a field device management system, and being capable of facing the scene of simultaneously deploying the FDT and the DCS systems.

The application adopts the following technical scheme.

The application provides a field bus equipment scanning method based on FDT coupling DCS configuration, wherein a field equipment tool FDT comprises an FDT upper computer, and an equipment type manager DTM is arranged in the upper computer; the distributed control system DCS comprises a DCS upper computer and a DCS controller, wherein the DCS controller comprises a communication card, and the communication card mounts various field bus devices; the method comprises the following steps:

step 1, configuring DCS configuration information in a DCS upper computer through a DCS configuration tool, wherein the DCS configuration information comprises connection information of a DCS controller, configuration information of a communication card and configuration information of field bus equipment, and issuing the DCS configuration information to the DCS controller;

step 2, manually adding a communication DTM in the FDT upper computer, wherein the communication DTM is connected with a controller;

step 3, starting automatic scanning of the communication DTM, and sending a message for reading the configuration information of the communication card to a DCS controller connected with the communication DTM by the FDT upper computer, and sending a response message for the configuration information of the communication card to the FDT upper computer by the DCS controller; the FDT upper computer automatically adds a gateway DTM under the communication DTM according to the configuration information of the communication card which is obtained by analyzing the response message of the configuration information of the communication card; the gateway DTM is connected with the communication card;

step 4, after the gateway DTM is added, the FDT upper computer sends a message for reading the configuration information of the field bus equipment connected with the communication card to the DCS controller, the DCS controller sends a response message of the configuration information of the field bus equipment to the FDT upper computer, and the FDT upper computer automatically adds the bus equipment DTM under the communication DTM according to the configuration information of the field bus equipment acquired by analyzing the response message of the configuration information of the field bus equipment; the bus device DTM is connected with the field bus device;

and 5, scanning the field bus device by using the FDT upper computer.

Preferably, in step 1, the DCS host computer is connected to the DCS controller via ethernet.

Preferably, in step 1, the connection information of the DCS controller includes controller IP and port information.

Preferably, in step 1, the communication card configuration information includes a card type and a communication card bus communication protocol; the field bus device configuration information includes bus device type, bus communication protocol device address.

Preferably, in step 2, the FDT host computer stores an FDT framework application, and manually adds a communication DTM in the FDT framework application.

Preferably, the communication DTM multiplexes the DCS's ethernet network connection controllers.

Preferably, the communication DTM is connected to a controller to obtain information of the connected controller.

Preferably, the gateway DTM is connected to the communication card to obtain information of the connected communication card.

Preferably, the bus device DTM is connected to the fieldbus device to obtain information of the connected fieldbus device.

The application also provides a field bus device scanning system based on FDT coupling DCS configuration, which comprises: the system comprises a DCS configuration module, a DTM connection module and a scanning module;

the DCS configuration module is used for configuring DCS configuration information on the DCS upper computer through a DCS configuration tool, wherein the DCS configuration information comprises connection information of a DCS controller, configuration information of a communication card and configuration information of field bus equipment, and the DCS configuration information is issued to the DCS controller;

the DTM connection module is used for manually adding a communication DTM in the FDT upper computer, and the communication DTM is connected with the controller; starting automatic scanning of the communication DTM, and sending a message for reading the configuration information of the communication card to a DCS controller connected with the communication DTM by the FDT upper computer, and sending a response message for the configuration information of the communication card to the FDT upper computer by the DCS controller; the FDT upper computer automatically adds a gateway DTM under the communication DTM according to the configuration information of the communication card which is obtained by analyzing the response message of the configuration information of the communication card; the gateway DTM is connected with the communication card; after the gateway DTM is added, the FDT upper computer sends a message for reading the configuration information of the field bus equipment connected with the communication card to the DCS controller, the DCS controller sends a response message of the configuration information of the field bus equipment to the FDT upper computer, and the FDT upper computer automatically adds the bus equipment DTM under the communication DTM according to the configuration information of the field bus equipment acquired by analyzing the response message of the configuration information of the field bus equipment; the bus device DTM is connected with the field bus device;

and the scanning module is used for scanning the field bus device by using the FDT upper computer.

A terminal comprising a processor and a storage medium; the storage medium is used for storing instructions;

the processor is configured to operate according to the instructions to perform the steps of the method.

A computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of a method.

Compared with the prior art, the application has the advantages that the rapid scanning message is sent to the controller serving as the communication DTM and the response message is received for analysis, the gateway DTM and the device DTM are automatically established and added, and the message request response is not required to be sent to each bus instrument device on site, so that a great deal of time and memory consumption are saved, the debugging task of the field bus device is lightened, and the effect is more remarkable especially for the site with the built distributed control system DCS.

In the method provided by the application, the controller is used as a communication DTM, the DCS communication card is used as a gateway DTM, and the configuration of the field bus instrument equipment configured by the DCS is multiplexed, so that the field bus instrument equipment is rapidly scanned and identified, a management system of the field bus instrument equipment is rapidly built, the method is suitable for the coupling process control system DCS of the bus instrument equipment management system, and a large number of complex bus instrument equipment management systems such as chemical industry, power plants and the like can be rapidly built.

The method provided by the application saves a great deal of time and memory consumption, and lightens the debugging task of the field bus device.

Drawings

FIG. 1 is a system diagram of a fast scan Fieldbus device based on FDT coupled DCS configuration in accordance with the present application;

fig. 2 is a schematic diagram of a scan mode of an FDT host in an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. The described embodiments of the application are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art without inventive faculty, are within the scope of the application, based on the spirit of the application.

The application provides a field bus equipment scanning method based on FDT coupling DCS configuration, wherein a field equipment tool FDT comprises an FDT upper computer, and an equipment type manager DTM is arranged in the upper computer; the distributed control system DCS comprises a DCS upper computer and a DCS controller, wherein the DCS controller comprises a communication card, and the communication card is used for mounting various field bus devices.

The method comprises the following steps:

step 1, configuring DCS configuration information in a DCS upper computer through a DCS configuration tool, wherein the DCS configuration information comprises connection information, communication card configuration information and field bus equipment configuration information of a DCS controller, and issuing the DCS configuration information to the DCS controller.

In a non-limiting preferred embodiment, as shown in fig. 1, the physical network architecture of the DCS system deployed on site is that the DCS configuration host computer is responsible for monitoring and debugging configuration of the distributed control system, and a DCS configuration tool needs to be deployed. DCS configuration tools include, but are not limited to SmartIC software.

Specifically, the DCS host computer is connected to the DCS controller, and the connection information of the controller is configured based on the DCS configuration tool, wherein the connection mode of the DCS host computer and the DCS controller includes but is not limited to ethernet, and the connection information of the configured controller includes but is not limited to controller IP and port information.

In a non-limiting preferred embodiment, the various communication card configuration information, as well as the Fieldbus device configuration information for each communication card, are configured based on a DCS configuration tool.

The communication card configuration information includes, but is not limited to: the communication card type and the communication card bus communication protocol;

the Fieldbus device configuration information includes, but is not limited to: bus device type, bus communication protocol device address;

further, the number of the controllers and the communication cards is one or more; fieldbus devices include, but are not limited to, sensors, meters, devices, etc., one or more in number.

In a non-limiting preferred embodiment, the controller is a PCS-9150G controller, and the IP and ports of the PCS-9150G controller are configured by SmartIC software, the communication card types of various communication cards are configured, the communication card bus communication protocol is configured, the field bus device type and the bus communication protocol device address of each communication card are configured.

And step 2, manually adding a communication DTM in the FDT upper computer, wherein the communication DTM is connected with the controller.

Specifically, the FDT host computer internally stores an FDT framework application in which a communication DTM is manually added. The communication DTM multiplexes the DCS's ethernet network connection controllers.

In a non-limiting preferred embodiment, as shown in fig. 1, a physical network architecture of a DCS system deployed on site is that an FDT host deploys an FDT framework application program, manually adds a communication DTM corresponding to a DCS controller, configures a controller IP and port information corresponding to the DCS controller, and multiplexes an ethernet network connection controller of the DCS.

Further, FDT framework applications include, but are not limited to, fdtcontainer software.

In a non-limiting preferred embodiment, the PCS-9150G controller is connected by configuring the IP and ports of the communication DTM through fdtcontainer software.

The deployment and configuration of the DCS are configured on a plurality of application sites, and only a DCS Ethernet network architecture is needed to be multiplexed for further monitoring and managing field bus equipment to establish the FDT system.

Step 3, starting automatic scanning of the communication DTM, and sending a message for reading the configuration information of the communication card to a DCS controller connected with the communication DTM by the FDT upper computer, and sending a response message for the configuration information of the communication card to the FDT upper computer by the DCS controller; the FDT upper computer automatically adds a gateway DTM under the communication DTM according to the configuration information of the communication card which is obtained by analyzing the response message of the configuration information of the communication card; the gateway DTM is connected with the communication card.

In a non-limiting preferred embodiment, a communication DTM software interface of an FDT framework application program is automatically scanned in a single click mode, a DCS upper computer sends a message for reading DCS configuration information to a DCS controller, the DCS controller sends a response message to the FDT upper computer, the FDT upper computer analyzes the response message to obtain the DCS configuration information, and the DCS configuration information is mapped into corresponding DTM configuration information; according to the configuration information of the DTM, automatically adding a gateway DTM under the communication DTM in the FDT framework application program, and automatically adding a bus device DTM under the gateway DTM; the device type manager includes, in order from top to bottom: communication DTM, gateway DTM, and device DTM.

The communication DTM is added in total, the hierarchical relationship of the DTM in the FDT upper computer is the communication DTM-gateway DTM-equipment DTM, the communication DTM is added manually, and the gateway DTM and the equipment DTM are added automatically after analyzing the DCS configuration information, so that the traversal process is not needed.

Step 4, after the gateway DTM is added, the FDT upper computer sends a message for reading the configuration information of the field bus equipment connected with the communication card to the DCS controller, the DCS controller sends a response message of the configuration information of the field bus equipment to the FDT upper computer, and the FDT upper computer automatically adds the bus equipment DTM under the communication DTM according to the configuration information of the field bus equipment acquired by analyzing the response message of the configuration information of the field bus equipment; the bus device DTM is connected to the field bus device.

And 5, scanning the field bus device by using the FDT upper computer.

In the method provided by the application, the DCS configuration information is read by only transmitting a single-frame rapid scanning message in a mode of FDT coupling with the DCS configuration information, and the message is not required to be transmitted to each bus device. The FDT sends a single-frame communication card configuration information reading message and a field bus device configuration information reading message to the controller, receives a response message returned according to the DCS configuration information from the controller, automatically adds a gateway DTM and a device DTM according to the response message, does not need to traverse the field bus device, can form quick positioning, scanning and quick configuration of the field bus device, establishes a field device management system, and can face the scene of deploying the FDT and the DCS simultaneously.

On the premise of the existence of a DCS system, the FDT can multiplex the DCS physical network and adopts the rapid scanning method. Specifically, as shown in fig. 2:

1) Clicking an auto scan button at the communication DTM interface of the FDT framework application.

2) The FDT upper computer sends a message for reading the configuration information of the communication card to the DCS controller, the DCS controller sends a response message containing the configuration information of the communication card to the FDT upper computer, the FDT upper computer analyzes the response message to acquire the configuration information of the communication card, maps the configuration information of the communication card into the configuration information of the gateway DTM, and automatically adds the gateway DTM under the communication DTM according to the configuration information of the gateway DTM;

3) The FDT upper computer sends a message for reading the configuration information of the field bus device to the DCS controller, the DCS controller sends a response message containing the configuration information of the field bus device to the FDT upper computer, the FDT upper computer analyzes the response message to acquire the configuration information of the field bus device, maps the configuration information of the field bus device into the configuration information of the device DTM, and automatically adds the device DTM under the corresponding gateway DTM according to the configuration information of the device DTM.

In a non-limiting preferred embodiment, as shown in fig. 1, the FDT host multiplexes the physical network architecture of the DCS, and the FDT host deploys the FDT framework application, where the communication DTM of the bus instrument device management system is a DCS controller, the gateway DTM of the bus instrument device management system is a DCS communication card, and the device DTM of the bus instrument device management system is a field bus instrument device to which the DCS is connected.

After clicking an automatic scanning button on a communication DTM interface of the FDT framework application program, as shown in fig. 2, sending a message for reading the configuration information of the communication card to the controller, and after receiving the message, the controller reading the configuration information of the communication card contained in the controller in DCS configuration and returning the message in response; after the FDT receives the response message, analyzing the configuration information of the communication card contained in the controller, and automatically adding the gateway DTM of the communication card PD702G under the communication DTM. After the FDT adds the gateway DTM successfully, as shown in fig. 2, a field bus device configuration information message is sent to the controller, and the controller reads the field bus device configuration information contained in the communication card in DCS configuration after receiving the message and returns in response to the message; after the FDT receives the response message, analyzing the field bus device configuration information contained in the communication card, and automatically adding a device DTM corresponding to the chemical field bus device ROSEMUNT 3051 under the gateway DTM.

Compared with a common scanning mode, the application combines the characteristic of multiplexing DCS physical architecture, configuration information in the controller and the communication card is called, the complex field bus equipment is scanned only in a rapid scanning message form without circulating to traverse a large number of meters, and the communication DTM used as the controller and the gateway DTM used as the communication card directly return response messages, so that the gateway DTM and the equipment DTM are rapidly scanned and automatically added, thereby greatly simplifying the field debugging task.

The present disclosure may be a system, method, and/or computer program product. The computer program product may include a computer readable storage medium having computer readable program instructions embodied thereon for causing a processor to implement aspects of the present disclosure.

The computer readable storage medium may be a tangible device that can hold and store instructions for use by an instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic storage device, a magnetic storage device, an optical storage device, an electromagnetic storage device, a semiconductor storage device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: portable computer disks, hard disks, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), static Random Access Memory (SRAM), portable compact disk read-only memory (CD-ROM), digital Versatile Disks (DVD), memory sticks, floppy disks, mechanical coding devices, punch cards or in-groove structures such as punch cards or grooves having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media, as used herein, are not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through waveguides or other transmission media (e.g., optical pulses through fiber optic cables), or electrical signals transmitted through wires.

The computer readable program instructions described herein may be downloaded from a computer readable storage medium to a respective computing/processing device or to an external computer or external storage device over a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmissions, wireless transmissions, routers, firewalls, switches, gateway computers and/or edge servers. The network interface card or network interface in each computing/processing device receives computer readable program instructions from the network and forwards the computer readable program instructions for storage in a computer readable storage medium in the respective computing/processing device.

Computer program instructions for performing the operations of the present disclosure can be assembly instructions, instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, c++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer readable program instructions may be executed entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, aspects of the present disclosure are implemented by personalizing electronic circuitry, such as programmable logic circuitry, field Programmable Gate Arrays (FPGAs), or Programmable Logic Arrays (PLAs), with state information of computer readable program instructions, which can execute the computer readable program instructions.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the specific embodiments of the application without departing from the spirit and scope of the application, which is intended to be covered by the claims.

Claims

1. A field bus device scanning method based on FDT coupling DCS configuration is provided, wherein a field device tool FDT comprises an FDT upper computer, and a device type manager DTM is arranged in the upper computer; the distributed control system DCS comprises a DCS upper computer and a DCS controller, wherein the DCS controller comprises a communication card, and the communication card mounts various field bus devices; characterized in that the method comprises:

and 5, scanning the field bus device by using the FDT upper computer.

2. The method for scanning field bus devices based on FDT coupled DCS configuration according to claim 1, wherein,

in the step 1, the DCS upper computer is connected with the DCS controller through the Ethernet.

3. The method for scanning field bus devices based on FDT coupled DCS configuration according to claim 1, wherein,

in step 1, the connection information of the DCS controller includes the controller IP and port information.

4. The method for scanning field bus devices based on FDT coupled DCS configuration according to claim 1, wherein,

in step 1, the communication card configuration information includes card type and communication card bus communication protocol; the field bus device configuration information includes bus device type, bus communication protocol device address.

5. The method for scanning field bus devices based on FDT coupled DCS configuration according to claim 1, wherein,

in step 2, the FDT host computer internally stores an FDT framework application program, and a communication DTM is manually added to the FDT framework application program.

6. The method for scanning field bus devices configured based on FDT coupled DCS configuration of claim 5,

the communication DTM multiplexes the DCS's ethernet network connection controllers.

7. The method of claim 6, wherein the FDT-coupled DCS configuration-based Fieldbus device scan method,

the communication DTM is connected to the controller to obtain information of the connected controller.

8. The method for scanning field bus devices based on FDT coupled DCS configuration according to claim 1, wherein,

the gateway DTM is connected with the communication card to acquire information of the connected communication card.

9. The method for scanning field bus devices based on FDT coupled DCS configuration according to claim 1, wherein,

the bus device DTM is connected to the fieldbus device to obtain information of the connected fieldbus device.

10. A field bus device scanning system configured based on FDT coupled DCS configuration for implementing the method of any of claims 1 to 9, the system comprising: the system comprises a DCS configuration module, a DTM connection module and a scanning module;

11. A terminal comprising a processor and a storage medium; the method is characterized in that:

the storage medium is used for storing instructions;

the processor being operative according to the instructions to perform the steps of the method of any one of claims 1-9.

12. Computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the steps of the method according to any one of claims 1-9.