CN203734702U - General data collection module based on OPC UA - Google Patents
General data collection module based on OPC UA Download PDFInfo
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- CN203734702U CN203734702U CN201320550891.9U CN201320550891U CN203734702U CN 203734702 U CN203734702 U CN 203734702U CN 201320550891 U CN201320550891 U CN 201320550891U CN 203734702 U CN203734702 U CN 203734702U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model provides a general data collection module based on OPC UA, and the data collection module comprises an on-site side protection circuit (1), an on-site bus transceiver (2), an opto-isolator (3), an FPGA (4), an NOR FLASH chip (5), a 50MHz crystal oscillator (6), a PowerPC processor (7), an EEPROM chip (8), a 24MHz crystal oscillator (9), a watchdog circuit (10), a first 802.3 physical-layer transceiver (11) which is used for OPC UA communication, a second 802.3 physical-layer transceiver (12) which is used for configuration, and a power supply circuit part (13). Through a configurable data model and the technology of OPC UA communication under an embedded platform, the data collection module provided by the utility model can achieve the standardization of the integration of underlying data with an upper monitoring and management system under a plurality of communication architectures in the field of industrial automation.
Description
Technical field
The utility model relates to industrial automation, the data normalization that is applied to industrial automation is integrated, is specifically related to PROFIBUS-DP/PA bus protocol, Modbus bus protocol, PROFINET bus protocol, the HART bus protocol of industrial control field.
Background technology
Along with the development of the technology such as control, computer, communication, network, the information exchange that industrial control system needs covers from workshop section, workshop, factory and enterprise and even market all over the world.The field of linking up is covering rapidly from bottom field apparatus at all levels to what control, manage, but there is the product from different technologies or manufacturer in a large number in industrial control system, from I/O, data collecting plate card, various levels of PLC and the industrial control computer of bottom, to large-scale DCS control system, and multibus in industrial control system the situation of depositing be long-term existence, the interface between computer software and industrial hardware device communications protocol is more and more diversified.In traditional industrial control system, the information sharing between smart machine and between smart machine and Control System Software realizes by driver.The exploitation of driver has increased the weight of the workload of software development greatly, simultaneously also for later equipment and the expansion of software upgrading and system have brought problems.How effectively industrial enterprise faces the message reference between the interior different technologies of resolution system and the problem of interoperability, and ensures the continual and steady operation of production process, improves reliability, the availability of system.
Available data is integrated with various ways: measuring instrument is joined in control system, and the controller (PLC, DCS etc.) that possesses communication main station function by access is realized data access; Or measuring instrument is formed to independent measurement network, realize integrated by gateway or communication card and the industrial computer or the PLC etc. that possess master function with tension management system; These modes do not possess versatility, and integrated difficulty is large, and cost is higher.In existing Integrated Solution, also often adopt the OPC technology based on PC, as and tension management system and opc server between data-interface, but because OPC technology is larger to the dependence of the PC of Microsoft platform, be difficult to apply under embedded platform, in applied environment and reliability, in real-time, there is limitation.
In order to address the above problem, OPC foundation has been issued new OPC UA specification in July, 2006, and IEC has also been set up OPC UA working group accordingly, carries out the formulation of corresponding international standard.OPC UA, by adopting WSDL definition message, has realized the platform-neutral of specification; And defined a set of integrated service on original OPC basis, solve existing OPC specification and in the time of application, served overlapping problem; OPC UA has adopted integrated address space, increases Object Semanteme recognition function, and has realized the support to information model; In addition, OPC UA adopts a series of mechanism such as redundant technique, security model, has improved the performance of the aspect such as fail safe, reliability.
Summary of the invention
The purpose of this utility model is to provide a kind of universal data collection module based on embedded OPC UA technology, adopt one not rely on the data acquisition technology of special main website (PLC or DCS etc.), realize under isomery communication environment, the fast standardization that gathers bottom data and management level, key-course is integrated.Owing to having adopted up-to-date OPC UA standard and technology, with respect to the data acquisition technology (DCS, PLC) of current extensive use, there is higher fail safe and extensibility.
The utility model can be realized multiple fieldbus equipment is carried out to data acquisition, comprising PROFIBUS-DP bus apparatus, PROFIBUS-PA bus apparatus, Modbus bus apparatus, PROFINET bus apparatus, HART bus apparatus.
For solving the existing problem of background technology, the utility model can be applicable in most of data acquisition system, the utility model gathers the fieldbus data of isomery, can set data model by data configuration interface, based on data model to the data analysis collecting and processing.Connect multiple the utility model and monitoring host computer by Ethernet, the monitoring host computer that the utility model is access network based on ethernet provides standard OPC UA server interface, realizes and the data communication of monitoring host computer and the management of access rights.Because the utility model has adopted OPC UA universal data interface service, can be easily to realize standardization fast integrated with third party's monitoring host computer.
For solving the existing problem of background technology, the utility model in house software is realized by the following technical solutions: it comprises fieldbus main website (1), embedded real-time operating system (2), OPC UA SDK (3), peripheral hardware drives (4), data analysis processing (5), OPC UA server (6), block configuration (7).Described fieldbus main website (1) carries out exchanges data with OPC UA server (6), block configuration (7) by dual port RAM.
For solving the existing problem of background technology, the utility model internal hardware is realized by the following technical solutions: the protective circuit (1) that it comprises on-the-spot side, Field Bus Transceiver (2), light-coupled isolation (3), FPGA (4), NOR FLASH chip (5), 50MHz crystal oscillator (6), PowerPC processor (7), eeprom chip (8), 24MHz crystal oscillator (9), watchdog circuit (10), ethernet PHY transceiver (11), ethernet PHY transceiver (12), and power supply circuits part (13).
Innovative point of the present utility model is by configurable data model, and OPC UA technology based on embedded platform, realizes the integrated standardization of bottom field data and upper strata controlling and management.In existing industrial control system, OPC technology is all based on PC platform, and its environmental suitability, real-time and fail safe all have much room for improvement.The data source model of opc server often adopts data model or the enterprises definition data-interface of bottom fieldbus and the Industrial Ethernet communication technology, and also not quite identical with the requirement of upper strata controlling and management, the extensibility of system is poor; The utility model provides a kind of standard, that extensibility is good, data integration strategy cheaply for industrial enterprise.
Brief description of the drawings
Fig. 1 is application system schematic diagram of the present utility model
Fig. 2 is software frame schematic diagram of the present utility model
Fig. 3 is hardware frame schematic diagram of the present utility model
Embodiment
With reference to Fig. 2, software embodiment of the present utility model is by the following technical solutions: a kind of universal data collection module based on embedded OPC UA technology, it comprises fieldbus main website (1), embedded real-time operating system (2), OPC UA SDK (3), peripheral hardware drives (4), data analysis processing (5), OPC UA server (6), block configuration (7).Described fieldbus main website (1), according to used fieldbus type difference, realizes the master function of fieldbus accordingly; Described embedded real-time operating system (2) can adopt any general real time operating system of supporting PowerPC framework; Described OPC UA SDK (3) is the function library that OPC UA server (6) provides exploitation; Described peripheral hardware drives (4), comprises Ethernet and drives, and SPI drives, Local Bus drives, GPIO drives, and timer drives, for OPC UA server (6) and block configuration (7) provide the driving function that operates required peripheral hardware; Described data analysis processing (5) is stored and recombinates the data of the field bus device gathering, to meet the software interface data format of OPC UA server (6); Described OPC UA server (6) provides OPC UA data access interface and the rights management of standard for the monitoring host computer of access; Described block configuration (7) receives the configuration information from host computer by Ethernet, comprises the information of internal data model configuration of the present utility model and fieldbus side instrument.
With reference to Fig. 3, hardware embodiment of the present utility model is by the following technical solutions: a kind of universal data collection module based on embedded OPC UA technology, it comprises the protective circuit (1) of on-the-spot side, Field Bus Transceiver (2), the even isolation of light (3), FPGA (4), NOR FLASH chip (5), 50MHz crystal oscillator (6), PowerPC processor (7), eeprom chip (8), 24MHz crystal oscillator (9), watchdog circuit (10), for the one 802.3 physical layer transceiver (11) of OPC UA communication, for the 2 802.3 physical layer transceiver (12) that the utility model is configured, and power supply circuits part (13).
With reference to Fig. 3, described FPGA (4) and on-the-spot side protective circuit (1), Field Bus Transceiver (2), light-coupled isolation (3), NOR FLASH chip (5), 50MHz crystal oscillator (6) have formed the utility model telecommunication circuit of bus side at the scene; The protective circuit (1) of described on-the-spot side is to protecting from fieldbus and other extraneous overvoltage, surge, static, protective circuit (1) comprises resettable fuse, TVS pipe, pressure-sensitive electric group, bus termination coupling, for dissimilar fieldbus protective circuit (1) difference; Described Field Bus Transceiver (2), the fieldbus that is RS485 for physical layer adopts 485 transceivers, the fieldbus that is Ethernet for physical layer adopts ethernet transceiver, the fieldbus that is MBP signal for physical layer adopts MBP transceiver, and the fieldbus that is HART signal for physical layer adopts HART transceiver; Described light-coupled isolation (3) has realized the electrical isolation of fieldbus side and the utility model system control side; Described FPGA (4) has realized PROFIBUS-DP master function, PROFIBUS-PA master function, Modbus master function, HART master function, PROFINET Provider function by different internal logic designs, and FPGA (4) communicates by letter with PowerPC processor (7) by Local Bus; The NOR FLASH that FPGA (4) realizes by inside has driven the read-write operation to NOR FLASH chip (5), on-the-spot side data and other data that need power down to keep under NOR FLASH chip (5) storage the utility model off-line state; Described 50MHz crystal oscillator (6) provides the 50MHz external clock of high accuracy, high stability for FPGA (4).
With reference to Fig. 3, described PowerPC processor (7) and eeprom chip (8), 24MHz crystal oscillator (9), watchdog circuit (10), 802.3 physical layer transceivers (11) of communicating by letter for OPC UA, the circuit part that has formed OPC UA server of the present utility model and configuration for 802.3 physical layer transceivers (12) that the utility model is configured; Described PowerPC processor (7) inside has comprised the embedded real-time operating system of transplanting, the OPC UA standard SDK transplanting, peripheral hardware drive, and on OPC UA SDK basis programming realize OPC UA server capability and to configuration feature of the present utility model; Described eeprom chip (8) is connected with PowerPC processor (7) by spi bus, for storing the data of host computer to configuration data of the present utility model and other power down preservation; Described 24MHz crystal oscillator (9) provides the 24MHz external clock of high accuracy, high stability for PowerPC processor (7) and ethernet PHY transceiver (11,12); Described watchdog circuit (10) provides voltage monitoring function and watchdog function for PowerPC processor (7); Described 802.3 physical layer transceivers (11) are the electrical port of the utility model OPC UA server capability, are connected with PowerPC processor (7) by the RMII interface of standard; Described 802.3 physical layer transceivers (12) are the electrical port of host computer to the utility model configuration communication, are connected with PowerPC processor (7) by the RMII interface of standard.
With reference to Fig. 3, this embodiment in use, outside should be the utility model power supply circuits part (13) provides the direct current system power supply of 24V, 24V DC power supply is after plug-and-play circuit, produce the power supply of two-way isolation, one road insulating power supply is Field Bus Transceiver (2) power supply, and another road insulating power supply is other parts power supply of the present utility model.
This embodiment has replaced traditional data acquisition technology (DCS, PLC) by Embedded OPC UA technology, realizes under isomery communication environment, and the fast standardization of the data of collection and management level, key-course is integrated.
Claims (7)
1. the universal data collection module based on OPC UA, it is characterized in that: the protective circuit (1) that comprises on-the-spot side, Field Bus Transceiver (2), the even isolation of light (3), FPGA (4), NOR FLASH chip (5), 50MHz crystal oscillator (6), PowerPC processor (7), eeprom chip (8), 24MHz crystal oscillator (9), watchdog circuit (10), for the one 802.3 physical layer transceiver (11) of OPC UA communication, for the 2 802.3 physical layer transceiver (12) being configured, and power supply circuits part (13).
2. universal data collection module according to claim 1, is characterized in that: described protective circuit comprises resettable fuse, TVS pipe, piezo-resistance and bus termination coupling.
3. universal data collection module according to claim 1, is characterized in that: described Field Bus Transceiver can adopt 485 transceivers or ethernet transceiver or MBP transceiver or HART transceiver.
4. universal data collection module according to claim 1, is characterized in that: described FPGA is by fieldbus and described PowerPC processor communication.
5. universal data collection module according to claim 1, is characterized in that: described eeprom chip is connected with described PowerPC processor by spi bus.
6. universal data collection module according to claim 1, it is characterized in that: described the one 802.3 physical layer transceiver is the electrical port of OPC UA server, described the 2 802.3 physical layer transceiver is configured port of the present utility model, and two 802.3 physical layer transceivers are connected with PowerPC processor by the RMII interface of standard.
7. universal data collection module according to claim 1, it is characterized in that: described power supply circuits part provides the direct current system power supply of 24V, 24V DC power supply is after plug-and-play circuit, produce the power supply of two-way isolation, one road insulating power supply is Field Bus Transceiver (2) power supply, and another road insulating power supply is miscellaneous part power supply.
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| CN201320550891.9U CN203734702U (en) | 2013-09-06 | 2013-09-06 | General data collection module based on OPC UA |
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| CN201320550891.9U CN203734702U (en) | 2013-09-06 | 2013-09-06 | General data collection module based on OPC UA |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635708A (en) * | 2015-02-12 | 2015-05-20 | 机械工业仪器仪表综合技术经济研究所 | OPC UA (Unified Architecture) data acquisition module based on I-MX287 processor |
| CN104932364A (en) * | 2015-06-03 | 2015-09-23 | 太原科技大学 | OPC UA conversion apparatus of Modbus communication protocol, and method |
| CN105530240A (en) * | 2015-11-27 | 2016-04-27 | 机械工业仪器仪表综合技术经济研究所 | Method for automatically mapping multiple industrial protocols to OPC UA address space |
| CN105812253A (en) * | 2014-12-29 | 2016-07-27 | 中国科学院沈阳自动化研究所 | OPC UA data service gateway device and implementation method thereof |
| CN106444631A (en) * | 2016-11-29 | 2017-02-22 | 重庆大学 | Body-based intelligent machine tool operating state information acquisition platform and method |
| CN106707985A (en) * | 2016-11-29 | 2017-05-24 | 无锡易通精密机械股份有限公司 | Multi-bus data communication system |
| CN107065813A (en) * | 2017-06-13 | 2017-08-18 | 苏州弘铭检测科技有限公司 | A kind of workshop appliance data monitoring system and method |
| CN109743249A (en) * | 2018-10-25 | 2019-05-10 | 比亚迪股份有限公司 | Forming method, integrated gateway and the integrated system of the integrated gateway of passenger information system |
| CN111221302A (en) * | 2018-11-26 | 2020-06-02 | 西门子股份公司 | Method for integrating a technical module into an upper control layer of a technical installation and technical module |
-
2013
- 2013-09-06 CN CN201320550891.9U patent/CN203734702U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105812253A (en) * | 2014-12-29 | 2016-07-27 | 中国科学院沈阳自动化研究所 | OPC UA data service gateway device and implementation method thereof |
| CN104635708A (en) * | 2015-02-12 | 2015-05-20 | 机械工业仪器仪表综合技术经济研究所 | OPC UA (Unified Architecture) data acquisition module based on I-MX287 processor |
| CN104932364A (en) * | 2015-06-03 | 2015-09-23 | 太原科技大学 | OPC UA conversion apparatus of Modbus communication protocol, and method |
| CN104932364B (en) * | 2015-06-03 | 2018-03-09 | 太原科技大学 | The OPC UA conversion equipments and method of a kind of Modbus communications protocol |
| CN105530240B (en) * | 2015-11-27 | 2019-09-20 | 机械工业仪器仪表综合技术经济研究所 | Method of a variety of industrial protocols to OPC UA address space automatic mapping |
| CN105530240A (en) * | 2015-11-27 | 2016-04-27 | 机械工业仪器仪表综合技术经济研究所 | Method for automatically mapping multiple industrial protocols to OPC UA address space |
| CN106444631A (en) * | 2016-11-29 | 2017-02-22 | 重庆大学 | Body-based intelligent machine tool operating state information acquisition platform and method |
| CN106707985A (en) * | 2016-11-29 | 2017-05-24 | 无锡易通精密机械股份有限公司 | Multi-bus data communication system |
| CN106444631B (en) * | 2016-11-29 | 2019-02-19 | 重庆大学 | Intelligent machine tool operating state information acquisition platform and method based on ontology |
| CN107065813A (en) * | 2017-06-13 | 2017-08-18 | 苏州弘铭检测科技有限公司 | A kind of workshop appliance data monitoring system and method |
| CN109743249A (en) * | 2018-10-25 | 2019-05-10 | 比亚迪股份有限公司 | Forming method, integrated gateway and the integrated system of the integrated gateway of passenger information system |
| CN111221302A (en) * | 2018-11-26 | 2020-06-02 | 西门子股份公司 | Method for integrating a technical module into an upper control layer of a technical installation and technical module |
| CN111221302B (en) * | 2018-11-26 | 2023-11-24 | 西门子股份公司 | Method for integrating technical modules into a technical installation upper control layer and technical module |
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