CN112583824A - Protocol conversion configuration system and method based on OPC UA - Google Patents
Protocol conversion configuration system and method based on OPC UA Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention provides a protocol conversion configuration system based on OPC UA, which utilizes a data acquisition module, a memory management module and an OPC UA server module to transmit parameter data and performs data transmission process management through a Drivewatch management module, wherein format conversion of the parameter data is completed by an embedded system, and the OPC UA server module and an OPC UA client provide transmission of uploading and sending data of conversion data. The invention also provides a protocol conversion configuration method based on OPC UA, firstly initializing the module and the equipment, collecting data after initialization, and carrying out format conversion on the data to obtain OPC UA format data, wherein the OPC UA server module uploads the data, and the OPC UA client reads the data and uploads the data to the data monitoring and management system. The protocol conversion system and the protocol conversion method provided by the invention enable a plurality of heterogeneous power devices to uniformly acquire data, and the acquired data is output in the same format, so that the management and the calling are more convenient.
Description
Technical Field
The invention relates to the technical field of monitoring of the running state of electric power equipment, in particular to a protocol conversion configuration system and a protocol conversion configuration method based on OPC UA.
Background
Integration and interconnection are key supports for intelligent manufacturing, industrial 4.0 and power internet of things. The field devices of different manufacturers in the power system have different interfaces, different collected data, and some field devices have no open interfaces, so that in actual use, the field devices may be an information isolated island or are difficult to integrate into the existing system. With the use of various industrial software such as MES, the field data which is depended on by the running big data analysis of various power equipment needs to be integrated to an upper information and management system through the field equipment. With the continuous updating and increasing of the types of field devices, the requirements for integration and interconnection are higher and higher, the field data acquisition device should support various different interfaces and protocols, and meanwhile, the field data acquisition device needs to output the data through a standard interface, so that the device and system integration can be efficient and standardized.
Modbus RTU and various PLC protocols and the like which are commonly adopted by the existing electric equipment are main field data acquisition interfaces, and OPC UA protocol is open in design and can be compatible with various types of data in the field protocols, so that the OPC UA protocol is adopted as a unique output interface to realize integration and interconnection of the field data acquisition of the electric equipment. Although the conversion design facing the OPC UA protocol has more mature products, there is no related technical scheme for the specific application scenarios of simultaneously accessing the Modbus devices executing the Modbus standard protocol, the siemens PLC communication device adopting the S7 protocol, the ohm dragon PLC communication device adopting the HostLink protocol, the mitsubishi FX series PLC communication device adopting the mitsubishi protocol, and the robot adopting the proprietary protocol, and collecting parameter data thereof.
Disclosure of Invention
The present invention is directed to overcoming the disadvantages of the prior art and providing a system and method for protocol conversion configuration based on OPC UA.
The purpose of the invention is realized by the following technical scheme:
a protocol conversion configuration system based on OPC UA (OPC Unified Architecture) comprises a data acquisition module, a Drivewatch management module, a memory management module, an embedded system, an OPC UA server module and an OPC UA client, wherein the data acquisition module is connected with the memory management module through the embedded system; the data acquisition module, the memory management module and the OPC UA server module are all connected with a DriveWatch management module, and the DriveWatch management module is used for process management of data transmission; the OPC UA client is in communication connection with the OPC UA server module, and is used for reading data in the memory management module and sending the read data to the data monitoring and management system, and is also used for transmitting data issued to the memory management module.
The situation that parameter data of a plurality of heterogeneous power devices need to be monitored and managed at the same time is often encountered when field data is collected, communication protocols adopted by the heterogeneous power devices are different, and the types of the collected parameter data are also different, so that in an actual application scene, the parameter data of all the heterogeneous power devices are difficult to integrate into a data monitoring and management system. And the acquired parameter data of the heterogeneous power equipment are all converted into uniform format data to be output and then transmitted to the data monitoring and management system, so that the problem that the parameter data of the heterogeneous power equipment cannot be transmitted to the data monitoring and management system completely can be solved. The embedded system is used for carrying out data format conversion on the acquired parameter data of the heterogeneous power equipment, and the programmability of the embedded system ensures that the protocol conversion configuration system can adapt to various field application scenes. The converted data format is determined to be an OPC UA format, the design of an OPC UA protocol is relatively open, various types of data collected in the field data collection process can be compatible, and the heterogeneous power equipment parameter data is relatively simple and convenient to convert into the OPC UA format data.
Furthermore, the data acquisition module comprises a plurality of acquisition units, each acquisition unit comprises a communication protocol, and each acquisition unit is in communication connection with heterogeneous power equipment supporting the communication protocol corresponding to the acquisition unit; the acquisition unit and the heterogeneous power equipment both comprise RS485 interfaces, and the acquisition unit and the heterogeneous power equipment are in communication connection through the RS485 interfaces.
Heterogeneous power equipment is connected through setting up a plurality of collection units, and every collection unit corresponds a communication protocol, when carrying out data acquisition, selects collection unit according to the communication protocol that heterogeneous power equipment data output interface adopted, has improved the exactness of data conversion.
Further, the heterogeneous power equipment comprises Modbus equipment adopting a Modbus standard protocol data acquisition interface, Siemens PLC communication equipment adopting an S7 protocol data acquisition interface, ohm dragon PLC communication equipment adopting a HostLink protocol data acquisition interface, and Mitsubishi FX series PLC communication equipment adopting a Mitsubishi protocol data acquisition interface.
The method is suitable for common power equipment in the market, and can meet the requirement of most field parameter acquisition.
Further, the data monitoring and management system is specifically a SCADA system and a MES system.
After field data acquisition is carried out, the acquired data needs to be processed and applied, so the acquired data needs to be received and distributed by a data monitoring and management system, an SCADA (supervisory control and data acquisition and monitoring system) is connected with an equipment layer and a manufacturing layer, and the SCADA system generates various equipment data through the received data; the MES system is a manufacturing execution system, and solves the problems of field production by combining equipment data generated by the SCADA system with the field production situation. In a generalized application scenario, the SCADA system is responsible for data monitoring, and the MES system is responsible for managing data and matching the data monitoring and the MES system, so that integration and interconnection can be well realized.
Further, a method for configuring protocol conversion based on OPC UA, which is adapted to the above-mentioned system for configuring protocol conversion based on OPC UA, includes the following steps:
the method comprises the following steps: the method comprises the following steps that a DriveWatch management module carries out network card address configuration and data acquisition module configuration, the DriveWatch management module controls and completes initialization of a data acquisition module and heterogeneous power equipment connected with the data acquisition module, and starts a memory management module and an OPC UA server module;
step two: the data acquisition module acquires parameter data of the heterogeneous power equipment, the data acquisition module uploads the parameter data of the heterogeneous power equipment to the embedded system for data conversion, and the embedded system converts the parameter data of the heterogeneous power equipment into OPC UA format data and sends the OPC UA format data into the memory management module for storage;
step three: setting a cycle period for executing data notification through the OPC UA client, wherein in each cycle period, every time the memory management module receives OPC UA format data transmitted by the embedded system, the memory management module packs the received OPC UA format data into a data packet and sends the data packet into the OPC UA server module for storage;
step four: selecting a release request through an OPC UA client, if the data upload request is selected to be released, executing a fifth step, and if the data issue request is selected to be released, executing a sixth step;
step five: the method comprises the steps that an OPC UA client sends a published data uploading request to an OPC UA server module, the OPC UA server module determines a cycle period where the published data uploading request is located, the OPC UA server module uploads all data packets stored in the cycle period to the OPC UA client, the OPC UA client reads all the data packets, and the OPC UA client sends the read data to a data monitoring and management system and returns to execute the fourth step;
step six: and the OPC UA client sends a data issuing request to the OPC UA server module and simultaneously sends issued data, the OPC UA server module writes the issued data into the memory management module, the memory management module transmits the issued data into the heterogeneous power equipment through the data acquisition module, and the step IV is returned to be executed.
The work of the whole system is started through the DriveWatch management module, the initial configuration is carried out, the workload of a worker for initializing the system and the power equipment is reduced, the OPC UA format data are all stored in the memory management module, the data are packed once being uploaded, the data are refined, the OPC UA client side can conveniently read the data, the data issuing function is further provided, the heterogeneous power equipment can be directly changed through issuing an instruction, and the loss caused by stopping work and maintenance when problems occur is reduced.
Further, the data acquisition module configuration includes a data acquisition configuration, a data analysis configuration and a data point parameter configuration.
Since the types of parameter data acquired by each heterogeneous power device are different, a data acquisition module needs to be configured before data acquisition, so that the required parameter data can be accurately acquired.
Furthermore, the data acquisition, the data analysis and the data point parameters are configured through a mapping relation between a communication protocol supported by heterogeneous power equipment and the OPC UA.
The invention has the beneficial effects that:
the data acquisition units are adopted, the communication protocols adopted by the data receiving interfaces of the data acquisition units are different, when data are acquired on site, the problems that the communication protocols of the interfaces of the heterogeneous power equipment are different in type and the acquisition parameter type is different are solved, and the heterogeneous power equipment can be uniformly connected with the data acquisition module. Although different types of parameter data are collected, after the parameter data are converted by the embedded system, the data format can be unified and uploaded to the data monitoring management system, and the parameter data for controlling the heterogeneous power equipment can be called more quickly and conveniently.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic flow diagram of the present invention;
FIG. 3 is a protocol conversion scenario of an embodiment of the present invention;
FIG. 4 is a diagram of an embedded system hardware architecture according to an embodiment of the present invention;
wherein: 1. the system comprises a data acquisition module, 1-1 parts of an acquisition unit, 2 parts of a DriveWatch management module, 3 parts of a memory management module, 4 parts of an embedded system, 4-1 parts of an embedded microprocessor, 4-2 parts of a Flash module, 4-3 parts of an SDRAM module, 4-4 parts of a JTAG module, 4-5 parts of a power module, 4-6 parts of a clock module, 4-7 parts of a UART module, 4-8 parts of a reset module, 4-9 parts of an Ethernet port module, 4-10 parts of an RS232/485 serial port communication module, 4-11 parts of a system bus extension module, 5 parts of an OPC UA server module, 6 parts of an OPC UA client, 7 parts of a data monitoring and management system, 7-1 parts of an SCADA system, 7-2 parts of an MES system, 8 parts of heterogeneous power equipment.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example (b):
a protocol conversion configuration system based on OPC UA, as shown in fig. 1, includes a data acquisition module 1, a DriveWatch management module 2, a memory management module 3, an embedded system 4, an OPC UA server module 5, and an OPC UA client 6, where the data acquisition module 1 is connected to the memory management module 3 through the embedded system 4, the memory management module 3 is connected to the OPC UA server module 5, and is configured to transmit heterogeneous power device parameter data, and the embedded system 4 is configured to convert the heterogeneous power device parameter data into an OPC UA data format; the data acquisition module 1, the memory management module 3 and the OPC UA server module 5 are all connected with a DriveWatch management module 2, and the DriveWatch management module 2 is used for process management of data transmission; the OPC UA client 6 is in communication connection with the OPC UA server module 5, the OPC UA client 6 is configured to read data in the memory management module 3 and send the read data to the data monitoring and management system 7, and the OPC UA client 6 is further configured to transmit data issued to the memory management module 3.
In order to meet the requirement of normal operation, the embedded system 4 needs to achieve the following function and performance indexes: the clock (crystal oscillator) has a frequency of 10 MHz; after the system is powered off, user data can be effectively stored and ESD protection is carried out; a UART module is adopted to realize short-distance bidirectional serial communication; the device has serial port isolation protection and supports various channel configurations; the user can use the JTAG interface to debug and program the system, and can use the system bus to expand the peripheral circuit according to the specific requirements of the user to carry out secondary development.
As shown in FIG. 4, the hardware platform of the embedded system 4 takes an ARM kernel embedded microprocessor 4-1 as a center, and has completely matched and connected circuits/modules, including a Flash module 4-2, an SDRAM module 4-3, a JTAG module 4-4, a power module 4-5, a clock module 4-6, a UART module 4-7, a reset module 4-8, an Ethernet port module 4-9, an RS232/485 serial port communication module 4-10 and a system bus extension module 4-11, so as to ensure the normal operation of the embedded microprocessor.
The embedded system 4 is developed and written by using a Linux system.
The data acquisition module 1 comprises a plurality of acquisition units, each acquisition unit 1-1 comprises a communication protocol, and each acquisition unit 1-1 is in communication connection with heterogeneous power equipment supporting the communication protocol corresponding to the acquisition unit 1-1; the acquisition unit 1-1 and the heterogeneous power equipment 8 both comprise RS485 interfaces, and the acquisition unit 1-1 and the heterogeneous power equipment 8 are in communication connection through the RS485 interfaces.
As shown in fig. 3, the heterogeneous power devices 8 include Modbus devices using a Modbus standard protocol data acquisition interface, siemens PLC communication devices using an S7 protocol data acquisition interface, ohm dragon PLC communication devices using a HostLink protocol data acquisition interface, mitsubishi FX series PLC communication devices using a mitsubishi protocol data acquisition interface, and ABB robots whose data transmission interfaces are not open to the outside and need to use a dedicated protocol.
The data monitoring and management system 7 is specifically a SCADA system 7-1 and an MES system 7-2.
A method for configuring protocol conversion based on OPC UA, which is adapted to the above-mentioned system for configuring protocol conversion based on OPC UA, as shown in fig. 2, includes the following steps:
the method comprises the following steps: the method comprises the following steps that a DriveWatch management module 2 carries out network card address configuration and data acquisition module 1 configuration, the DriveWatch management module 2 controls and completes initialization of the data acquisition module 1 and heterogeneous power equipment 8 connected with the data acquisition module 1, and starts a memory management module 3 and an OPC UA server module 5;
step two: the data acquisition module 1 acquires parameter data of the heterogeneous power equipment 8, the data acquisition module 1 uploads the parameter data of the heterogeneous power equipment 8 to the embedded system 4 for data conversion, and the embedded system 4 converts the parameter data of the heterogeneous power equipment 8 into OPC UA format data and sends the OPC UA format data into the memory management module 3 for storage;
step three: setting a cycle period for executing data notification through the OPC UA client 6, wherein in each cycle period, each time the memory management module 3 receives OPC UA format data transmitted by the embedded system 4, the memory management module 3 packs the received OPC UA format data into a data packet and sends the data packet into the OPC UA server module 5 for storage;
step four: selecting a release request through an OPC UA client 6, if selecting to release a data uploading request, executing a fifth step, and if selecting to release a data issuing request, executing a sixth step;
step five: the method comprises the following steps that an OPC UA client 6 sends a published data uploading request to an OPC UA server module 5, the OPC UA server module 5 determines a cycle period where the published data uploading request is located, the OPC UA server module 5 uploads all data packets stored in the cycle period to the OPC UA client 6, the OPC UA client 6 reads all the data packets, and the OPC UA client 6 sends the read data to a data monitoring and management system 7 and returns to execute the fourth step;
step six: the OPC UA client 6 sends a data issuing request to the OPC UA server module 5, and simultaneously sends the issued data, the issued data is written into the OPC UA client through configuration software, and a data transmission interface of the configuration software uses a special protocol to communicate with the OPC UA client. The OPC UA server module 5 writes the issued data into the memory management module 3, and the memory management module 3 transmits the issued data to the heterogeneous power equipment 8 through the data acquisition module 1, and returns to execute the fourth step.
The data acquisition module 1 configuration comprises data acquisition configuration, data analysis configuration and data point parameter configuration.
The data acquisition, data analysis and data point parameters are all configured through the mapping relation between the communication protocol supported by the heterogeneous power equipment 8 and the OPC UA.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (7)
1. The protocol conversion configuration system based on the OPC UA is characterized by comprising a data acquisition module (1), a DriveWatch management module (2), a memory management module (3), an embedded system (4), an OPC UA server module (5) and an OPC UA client (6), wherein the data acquisition module (1) is connected with the memory management module (3) through the embedded system (4), the memory management module (3) is connected with the OPC UA server module (5) and used for transmitting parameter data of heterogeneous power equipment (8), and the embedded system (4) is used for converting the parameter data of the heterogeneous power equipment (8) into an OPC UA data format; the data acquisition module (1), the memory management module (3) and the OPC UA server module (5) are all connected with a DriveWatch management module (2), and the DriveWatch management module (2) is used for process management of data transmission; the OPC UA client (6) is in communication connection with the OPC UA server module (5), the OPC UA client (6) is used for reading data in the memory management module (3) and sending the read data to the data monitoring and management system (7), and the OPC UA client (6) is also used for transmitting data issued to the memory management module (3).
2. The OPC UA-based protocol conversion configuration system according to claim 1, wherein the data acquisition module (1) comprises a plurality of acquisition units (1-1), each acquisition unit (1-1) comprises a communication protocol, and each acquisition unit (1-1) is in communication connection with a heterogeneous power device (8) supporting the corresponding communication protocol of the acquisition unit (1-1); the acquisition unit (1-1) and the heterogeneous power equipment (8) both comprise RS485 interfaces, and the acquisition unit (1-1) and the heterogeneous power equipment (8) are in communication connection through the RS485 interfaces.
3. The OPC UA-based protocol conversion configuration system according to claim 1, wherein the heterogeneous power devices (8) comprise Modbus devices adopting Modbus standard protocol data acquisition interfaces, Siemens PLC communication devices adopting S7 protocol data acquisition interfaces, Onglong PLC communication devices adopting HostLink protocol data acquisition interfaces, Mitsubishi FX series PLC communication devices adopting Mitsubishi protocol data acquisition interfaces.
4. A system for OPC UA based protocol translation configuration according to claim 1, wherein said data monitoring and management system (7) is specifically a SCADA system (7-1) and a MES system (7-2).
5. The OPC UA based protocol conversion configuration method according to claim 1, adapted to the OPC UA based protocol conversion configuration system according to claims 1-4, comprising the steps of:
the method comprises the following steps: the method comprises the following steps that a DriveWatch management module (2) carries out network card address configuration and data acquisition module (1) configuration, the DriveWatch management module (2) controls and completes initialization of the data acquisition module (1) and heterogeneous power equipment (8) connected with the data acquisition module (1), and starts a memory management module (3) and an OPC UA server module (5);
step two: the method comprises the following steps that a data acquisition module (1) acquires parameter data of heterogeneous power equipment (8), the data acquisition module (1) uploads the parameter data of the heterogeneous power equipment (8) to an embedded system (4) for data conversion, and the embedded system (4) converts the parameter data of the heterogeneous power equipment (8) into OPC UA format data and sends the OPC UA format data into a memory management module (3) for storage;
step three: setting a cycle period for executing data notification through the OPC UA client (6), wherein in each cycle period, every time the memory management module (3) receives OPC UA format data transmitted by the embedded system (4), the memory management module (3) packs the OPC UA format data received this time into a data packet and sends the data packet into the OPC UA server module (5) for storage;
step four: selecting a release request through an OPC UA client (6), if the data upload request is selected to be released, executing a fifth step, and if the data release request is selected to be released, executing a sixth step;
step five: the method comprises the following steps that an OPC UA client (6) sends a published data uploading request to an OPC UA server module (5), the OPC UA server module (5) determines a cycle period where the published data uploading request is located, the OPC UA server module (5) uploads all data packets stored in the cycle period to the OPC UA client (6), the OPC UA client (6) reads all the data packets, and the OPC UA client (6) sends the read data to a data monitoring and management system (7) and returns to execute the fourth step;
step six: the method comprises the following steps that an OPC UA client (6) sends a data issuing request to an OPC UA server module (5) and simultaneously sends issued data, the OPC UA server module (5) writes the issued data into a memory management module (3), the memory management module (3) transmits the issued data into heterogeneous power equipment (8) through a data acquisition module (1), and the execution step IV is returned.
6. The OPC UA-based protocol conversion configuration method according to claim 5, wherein the data acquisition module (1) configuration comprises a data acquisition configuration, a data parsing configuration and a data point parameter configuration.
7. The OPC UA-based protocol conversion configuration method according to claim 6, wherein the data acquisition, data analysis and data point parameters are configured by mapping relation between communication protocols supported by heterogeneous power equipment (8) and OPC UA.
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| CN114268854A (en) * | 2021-11-19 | 2022-04-01 | 重庆大学 | Multi-source heterogeneous data synchronous acquisition device for intelligent production line |
| CN114339472A (en) * | 2021-12-31 | 2022-04-12 | 中国兵器装备集团自动化研究所有限公司 | Self-adaptive electromechanical equipment data integration acquisition system |
| CN114885037A (en) * | 2022-04-07 | 2022-08-09 | 西门子（中国）有限公司 | Data transmission device, method and system |
| CN114978887A (en) * | 2022-05-12 | 2022-08-30 | 盐城鸿石智能科技有限公司 | Client parameter configuration system and method of MES system |
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| CN114885037A (en) * | 2022-04-07 | 2022-08-09 | 西门子（中国）有限公司 | Data transmission device, method and system |
| CN114978887A (en) * | 2022-05-12 | 2022-08-30 | 盐城鸿石智能科技有限公司 | Client parameter configuration system and method of MES system |
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