CN104615118A - Power plant fieldbus DPV1 management system and method - Google Patents
Power plant fieldbus DPV1 management system and method Download PDFInfo
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- CN104615118A CN104615118A CN201510079294.6A CN201510079294A CN104615118A CN 104615118 A CN104615118 A CN 104615118A CN 201510079294 A CN201510079294 A CN 201510079294A CN 104615118 A CN104615118 A CN 104615118A
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- 238000004891 communication Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 125000002015 acyclic group Chemical group 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 9
- 238000003745 diagnosis Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 241001604129 Polydactylus Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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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
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- 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 invention discloses a power plant fieldbus DPV1 management system. The power plant fieldbus DPV1 management system comprises an intelligent field equipment management platform, an intelligent field equipment history data center, an intelligent field equipment EDD analysis server, a field equipment configuration platform, an operator station, Ethernet switching equipment, a controller, a field bus DVP1 master station, an execution mechanism, a valve, a DP/PA coupler, a pressure transmitter, a temperature transmitter and an intelligent sensor. The invention also provides a management method of the power plant fieldbus DPV1 management system. The power plant fieldbus DPV1 management system is simple in structure, simultaneously provided with cycle communication and noncyclical communication functions, high in data transmission speed and efficiency and high in safety and reliability.
Description
Technical field
The present invention relates to power plant PROFIBUS field bus management systems technology field, be specifically related to a kind of power plant fieldbus DPV1 management system and method.
Background technology
PROFIBUS is a kind of international, open, standard for Fieldbus of not relying on device fabrication manufacturer.PROFIBUS is made up of three compatible portion, i.e. PROFIBUS-DP (Decentralized Periphery), PROFIBUS-PA (Process Automation), PROFIBUS-FMS (Fieldbus Message specification).PROFIBUS-DPV1 proposed in April, 1998, expanded PROFIBUS-DPV0 agreement, and the superiority of DPV1 mainly adds acyclic service and expands communicating with two class main websites.The topmost feature of DPV1 is the acyclic data exchanging function had between main website and slave station, and can carry out optimum configurations, diagnosis and alert process with it.
The characteristic of PROFIBUS equipment all illustrates in electronic device data library file (GSD).Standardized GSD data expand communication to operator controlled stage.Use can by the integration of equipments of different vendor's production in same bus system based on the configuration instrument of GSD. and not only simple but also be to user-friendly.Electronic device description language EDDL (Electronic Device Description Language) unites the new device Description Language of exploitation independent of respective field bus protocol by three large fieldbus foundation HART foundations, FF foundation, PROFIBUS foundation, and became international standard IEC61804-2 in 2004, utilize it can integrated various dissimilar field bus device easily, obtain the device attribute information of field apparatus simultaneously, be conducive to the configure and maintenance of equipment.EDDL is a kind of descriptive language of structure based text, provides the basic structural element that a whole set of can be reduced, for the treatment of simply, and complicated or modular equipment.The important benefit of EDDL mono-is that the display mode of equipment is all unified.Equipment manufacturer adopts EDDL to be that their equipment creates EDD file, documents describe system how to show and controlling equipment, figure comprising menu structure, advanced diagnosis shows and comprehensively arranges parameter and the information of each functional block in function and equipment, the graphical interfaces etc. of equipment.
The formation of PROFIBUS field bus system comprises master station and follow station, and main website can divide again a class main website and two class main websites.The data access of one class main website execution cycle property, circulation and bus communication control and management.Two class main websites complete acyclic reading and writing data, system configuration, fault diagnosis etc.Due to PR0FIBUS have fast, efficient, low cost, distributed and be easy to the plurality of advantages such as installation, it is in electric system, and the application particularly in control system of power plant is more and more extensive.
The primary limitation of prior art:
(1) power plant PROFIBUS control system mostly is DPV0 version, the quantity of parameters of smart machine, functional block, the range of parameter, menu, the information such as view do not use, and only apply the measured value of equipment, and equipment state not to be safeguarded and device parameter is tested, cause field intelligent device to be operated in sub-health state, reduce the serviceable life of equipment, add the maintenance cost of power plant.
(2) in the application of power plant's field bus control system and configuration, two class main websites or the equipment with two class master function do not configure, and directly cause the acyclic data of smart machine to have no idea access.
(3) although PROFIBUS is open agreement, but exploitation power plant of each producer intelligent management system structure all bundles with its control system, do not provide general interface to expand and secondary development to outside, cause the passive consumption of power plant in investment and the maintenance cost of the costliness in later stage.
(4) existing EDDL resolver does not provide open interface to user, and power plant technician, equipment to be carried out to personalized application exploitation very difficult, almost can not realize.
(5) the acyclic parameter value, device status data etc. of existing system to equipment does not support history data store, the device status data only providing user real-time and various parameter value.
Summary of the invention
In order to solve above-mentioned prior art Problems existing, the object of the present invention is to provide a kind of power plant fieldbus DPV1 management system and method, this system architecture is simple, possesses communication cycle and acyclic communications function simultaneously, data rate is fast, efficiency is high, has high security and reliability.
For reaching above object, the present invention adopts following technical scheme:
A kind of power plant fieldbus DPV1 management system, comprise ethernet switching device 6, respectively by the smart devices management platform 1 that respective Ethernet interface is connected with ethernet switching device 6, smart devices historical data center 2, smart devices EDD resolution server 3, field apparatus configuration platform 4, operator station 5 and controller 7, be connected by base plate parallel bus between described controller 7 with fieldbus DPV1 main website 8, described fieldbus DPV1 main website 8 respectively with topworks 9, valve 10 is connected by DP bus with DP/PA coupling mechanism 11, described DP/PA coupling mechanism 11 respectively with pressure unit 12, temperature transmitter 13 is connected by PA bus with intelligent sensor 14, described topworks 9 and valve 10 are for following the smart devices of PROFIBUS-DP specification, and described pressure unit 12, temperature transmitter 13 and intelligent sensor 14 are for following the smart devices of PROFIBUS-PA specification.
The connection order of described topworks 9, valve 10, DP/PA coupling mechanism 11, pressure unit 12, temperature transmitter 13 and intelligent sensor 14 and quantity are selected to need change according to PROFIBUS specification and power plant design.
The quantity of described controller 7 and selection can be expanded according to design needs.
Described ethernet switching device 6 can be expanded according to the topological structure of Ethernet.
The management method of power plant fieldbus DPV1 management system described above, by field apparatus configuration platform 4, the GSD file of topworks 9, valve 10, pressure unit 12, temperature transmitter 13 and intelligent sensor 14 and EDD file are transferred to smart devices management platform 1 by ethernet switching device 6, smart devices management platform 1 forms smart devices administrative directory according to the GSD file uploaded and EDD file, field apparatus configuration platform 4 is according to the address of power plant's field apparatus and type configuration information, the information of the module that the GSD file of power plant's field apparatus provides and data point carries out configuration to equipment, form bus parameter collection and device parameter collection, controller 7 is transferred to by ethernet switching device 6, configuration information is transmitted to fieldbus DPV1 main website 8 by controller 7, fieldbus DPV1 main website 8 is according to the topworks 9 of configuration information to data communication bus and smart devices, valve 10, pressure unit 12, temperature transmitter 13 and intelligent sensor 14 carry out initial configuration, after completing initial configuration, topworks 9, valve 10, DP/PA coupling mechanism 11, pressure unit 12, temperature transmitter 13 and intelligent sensor 14 just carry out periodic cycle data communication under the control of bus DPV1 main website (8) at the scene.
Enter after periodic cycle communicates at controller 7, fieldbus DPV1 main website 8, valve 10, pressure unit 12, temperature transmitter 13, intelligent sensor 14 and DP/PA coupling mechanism 11, field apparatus configuration platform 4 (can comprise the range of equipment to the parameter of field apparatus, high alarm setting, low alarm limit, the information such as output channel selection and device address) modify and adjust.
The described parameter to field apparatus is modified and is adjusted and completed by acyclic communications, and the descending process of acyclic communications request data frame is as described below:
(1) field apparatus configuration platform 4 or operator station 5 read address and the unique identifier information of equipment in local configuration platform, the data, services of smart devices EDD resolution server 3 is asked by ethernet switching device 6, smart devices EDD resolution server 3 is after receiving request instruction, smart devices management platform (1) is accessed by ethernet switching device 6, the EDD file of request corresponding device, smart devices management platform 1 after receiving the request, the EDD file of designated equipment is sent to smart devices EDD resolution server 3 by ethernet switching device 6, smart devices EDD resolution server 3 is after receiving this EDD file, this EDD file is resolved, be parsed rear formation XML file and by ethernet switching device 6, this XML file be sent to field apparatus configuration platform 4,
(2) field apparatus configuration platform 4 is after receiving the XML file that smart devices EDD resolution server 3 transmits, request instruction (reading instruction or write command) is generated according to XML file content (groove number, call number etc.), and sending this request instruction to controller 7, controller 7 forwards this instruction upon receipt of the instructions to fieldbus DPV1 main website 8;
(3) command information of reception is sent to corresponding field apparatus by fieldbus DPV1 main website 8, field apparatus is according to the data of command content preparation machine, generation reply data frame after data encasement completes, is transferred to fieldbus DPV1 main website 8 by reply data frame after waiting token to be obtained;
Frame is sent to field apparatus configuration platform 4 or operator station 5 by the reverse direction of descending process by the up process of Frame, and uplink data frames is the acknowledgement frame of descending request data frame or the event instruction frame of equipment generation.
Described smart devices EDD resolution server 3 provides XML file service interface and opc server service by ethernet switching device 6 to user, the EDD file translation of smart machine is become XML file according to EDDL specification by smart devices EDD resolution server 3, form the XML file catalogue of smart machine, static interface is externally provided with the form of XML file server, simultaneously can by the functional block object of the smart machine after parsing, parameter, menu, view information dynamically externally provides with opc server, user needs to determine to adopt dynamically or static data interface service according to use.
Described smart devices historical data center 2 provides history data store service and data retrieval service by ethernet switching device 6 to user; The visit information of the acyclic data of field apparatus configuration platform 4 and operator station 5 pairs of valves 10, pressure unit 12, temperature transmitter 13 and intelligent sensor 14, be stored into smart devices historical data center 2 by ethernet switching device 6, smart devices historical data center 2 provides the retrieval service of historical data to user by ethernet switching device 6 simultaneously.
Fieldbus DPV1 main website 8 is for having the main website of a class and two class functions, communication cycle and acyclic communications can be carried out with topworks 9, valve 10, pressure unit 12, temperature transmitter 13 and intelligent sensor 14, and support by field apparatus configuration platform 4 pairs of bus communication parameters, comprise traffic rate, token rotation time etc. are configured and revise.
Compared to the prior art, tool has the following advantages in the present invention:
1, smart devices EDD resolution server provides the data-interface opened to ethernet user, the information such as the various parameters of the parameter of equipment EDD file, menu, functional block and read-write operation are supplied to user to use, can be very easy to carry out application extension and secondary development.System is supplied to the ways and means of the acyclic data of user writable field intelligent device, the acyclic data such as the parameter to equipment, state that can be real-time are read and write, and system supports user arranges the period distances of the acyclic data of read-write equipment, periodically memory device parameter value, state information value are to historical data center.When equipment failure or diagnostic seach, the historical data of subscriber equipment machine operation and the history duty of equipment can be provided.
2, online configuration and change configuration information can be carried out to intelligent instrument, valve, topworks etc., comprise amendment parameter, range bound, measured value unit, alarm limits etc.; To carry out inline diagnosis, verification management to very convenient to equipment, the health status that equipment runs carries out Real-time Obtaining and record.
3, traditional field apparatus maintenance mode is compared, provide online device Diagnostic and status information of equipment maintenance function, make more to save time to the maintenance of field instrument, valve, the maintenance of equipment is more timely, safeguard more accurate, reduce the failure rate of equipment.
4, be supplied to the various historical datas of subscriber equipment, comprise measured value and configuration parameter, functional block object information, range, equipment working state etc., make generating report forms, and the report such as equipment control and list maintenance is more fast, timely and comprehensive.
5, the instrument that user to be configured equipment in the equipment debugging stage and to verify is provided, greatly can save putting into operation and debug time of equipment, reduce cost and the accelerating construction progress of power plant, and according to different power plant's working conditions, equipment debugging can be run to optimum state.
Accompanying drawing explanation
Accompanying drawing is a kind of power plant fieldbus DPV1 management system structural representation.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As shown in drawings, a kind of power plant fieldbus DPV1 management system of the present invention, comprise ethernet switching device 6, respectively by the smart devices management platform 1 that respective Ethernet interface is connected with ethernet switching device 6, smart devices historical data center 2, smart devices EDD resolution server 3, field apparatus configuration platform 4, operator station 5 and controller 7, be connected by base plate parallel bus between described controller 7 with fieldbus DPV1 main website 8, described fieldbus DPV1 main website 8 respectively with topworks 9, valve 10 is connected by DP bus with DP/PA coupling mechanism 11, described DP/PA coupling mechanism 11 respectively with pressure unit 12, temperature transmitter 13 is connected by PA bus with intelligent sensor 14, described topworks 9 and valve 10 are for following the smart devices of PROFIBUS-DP specification, and described pressure unit 12, temperature transmitter 13 and intelligent sensor 14 are for following the smart devices of PROFIBUS-PA specification.
As the preferred embodiment of the present invention, the connection order of described topworks 9, valve 10, DP/PA coupling mechanism 11, pressure unit 12, temperature transmitter 13 and intelligent sensor 14 and quantity are selected to need change according to PROFIBUS specification and power plant design.
As the preferred embodiment of the present invention, the quantity of described controller 7 and selection can be expanded according to design needs.
As the preferred embodiment of the present invention, described ethernet switching device 6 can be expanded according to the topological structure of Ethernet.
Embodiment:
Configuration structure between power plant's water purification car is described below: adopt five pairs of controllers to form five process control stations, each controller 7 mounts two PROFIBUS buses, five pairs of controllers are connected to access level switch by Ethernet, and access level switch passes through Ethernet access Upper Switch and is connected with core switch.Each process control station inserts Liang Ge fieldbus main website, and each fieldbus main website controls a bus, and bus can access multiple topworks, valve, DP/PA coupling mechanism, pressure unit, temperature transmitter and intelligent sensor etc.
Smart devices management platform 1 (network address is configured to 192.168.1.101), smart devices historical data center 2 (network address is configured to 192.168.1.102), smart devices EDD resolution server 3 (network address is configured to 192.168.1.103), field apparatus configuration platform 4 (network address is configured to 192.168.1.104) and operator station 5 (network address is configured to 192.168.1.105) by Ethernet access to core switch.The address configuration of controller 7 is 192.168.1.1 to 192.168.1.5 corresponding five control stations respectively, and each control station adopts the deployment way of master-slave redundancy controller, and the network address of all preparation controllers is respectively 192.168.1.51 to 192.168.1.55; The network address of preparation controller is that the network address final stage of master controller adds 50.The address that each process station configures two main websites of fieldbus DPV1 main website 8, Liang Ge is set as 1 and 2 respectively.The Equipments Setting capacity of every bar bus adopts 23 equipment, and device address is arranged from 5, and device address increases successively.On-the-spot equipment comprises pressure unit, temperature transmitter, the equipment of the various producer such as liquid level gauge, the GSD file of often kind of equipment and EDD file producer provide rear and directly upload in the equipment data storehouse of smart devices management platform 1, start smart devices EDD resolution server 3 to resolve simultaneously, the description document of all smart machines is resolved and generates device object.After being completed by the information configuration such as parameter and address of field apparatus configuration platform 4 pairs of connection devices, just can complete the various operation such as online management, diagnosis, School Affairs maintenance to equipment by operator station 5.
Claims (9)
1. a power plant fieldbus DPV1 management system, it is characterized in that: comprise ethernet switching device (6), respectively by the smart devices management platform (1) that respective Ethernet interface is connected with ethernet switching device (6), smart devices historical data center (2), smart devices EDD resolution server (3), field apparatus configuration platform (4), operator station (5) and controller (7), be connected by base plate parallel bus between described controller (7) with fieldbus DPV1 main website (8), described fieldbus DPV1 main website (8) respectively with topworks (9), valve (10) is connected by DP bus with DP/PA coupling mechanism (11), described DP/PA coupling mechanism (11) respectively with pressure unit (12), temperature transmitter (13) is connected by PA bus with intelligent sensor (14), described topworks (9) and valve (10) are for following the smart devices of PROFIBUS-DP specification, and described pressure unit (12), temperature transmitter (13) and intelligent sensor (14) are for following the smart devices of PROFIBUS-PA specification.
2. power plant fieldbus DPV1 management system according to claim 1, is characterized in that: the connection order of described topworks (9), valve (10), DP/PA coupling mechanism (11), pressure unit (12), temperature transmitter (13) and intelligent sensor (14) and quantity are selected to change according to PROFIBUS specification and power plant design needs.
3. power plant fieldbus DPV1 management system according to claim 1, is characterized in that: the quantity of described controller (7) and selection can be expanded according to design needs.
4. power plant fieldbus DPV1 management system according to claim 1, is characterized in that: described ethernet switching device (6) can be expanded according to the topological structure of Ethernet.
5. adopt the management method of power plant fieldbus DPV1 management system described in claim 1, it is characterized in that: by field apparatus configuration platform (4), the GSD file of topworks (9), valve (10), pressure unit (12), temperature transmitter (13) and intelligent sensor (14) and EDD file are transferred to smart devices management platform (1) by ethernet switching device (6), smart devices management platform (1) forms smart devices administrative directory according to the GSD file uploaded and EDD file, field apparatus configuration platform (4) is according to the address of power plant's field apparatus and type configuration information, the information of the module that the GSD file of power plant's field apparatus provides and data point carries out configuration to equipment, form bus parameter collection and device parameter collection, controller (7) is transferred to by ethernet switching device (6), configuration information is transmitted to fieldbus DPV1 main website (8) by controller (7), fieldbus DPV1 main website (8) is according to the topworks (9) of configuration information to data communication bus and smart devices, valve (10), pressure unit (12), temperature transmitter (13) and intelligent sensor (14) carry out initial configuration, after completing initial configuration, topworks (9), valve (10), DP/PA coupling mechanism (11), pressure unit (12), temperature transmitter (13) and intelligent sensor (14) just carry out periodic cycle data communication under the control of bus DPV1 main website (8) at the scene.
6. management method according to claim 5, it is characterized in that: enter after periodic cycle communicates at controller (7), fieldbus DPV1 main website (8), valve (10), pressure unit (12), temperature transmitter (13), intelligent sensor (14) and DP/PA coupling mechanism (11), field apparatus configuration platform (4) can be modified to the parameter of field apparatus and adjust.
7. management method according to claim 6, is characterized in that: the described parameter to field apparatus is modified and adjusted and completed by acyclic communications, and the descending process of acyclic communications request data frame is as described below:
(1) field apparatus configuration platform (4) or operator station (5) read address and the unique identifier information of equipment in local configuration platform, by the data, services of ethernet switching device (6) request smart devices EDD resolution server (3), smart devices EDD resolution server (3) is after receiving request instruction, by ethernet switching device (6) access smart devices management platform (1), the EDD file of request corresponding device, smart devices management platform (1) after receiving the request, the EDD file of designated equipment is sent to smart devices EDD resolution server (3) by ethernet switching device (6), smart devices EDD resolution server (3) is after receiving this EDD file, this EDD file is resolved, be parsed rear formation XML file and by ethernet switching device (6), this XML file be sent to field apparatus configuration platform (4),
(2) field apparatus configuration platform (4) is after receiving the XML file that smart devices EDD resolution server (3) transmits, request instruction is generated according to XML file, and sending this request instruction to controller (7), controller (7) forwards this instruction upon receipt of the instructions to fieldbus DPV1 main website (8);
(3) command information of reception is sent to corresponding field apparatus by fieldbus DPV1 main website (8), field apparatus is according to the data of command content preparation machine, generation reply data frame after data encasement completes, is transferred to fieldbus DPV1 main website (8) by reply data frame after waiting token to be obtained;
Frame is sent to field apparatus configuration platform 4 or operator station 5 by the reverse direction of descending process by the up process of Frame, and uplink data frames is the acknowledgement frame of descending request data frame or the event instruction frame of equipment generation.
8. management method according to claim 5, it is characterized in that: described smart devices EDD resolution server (3) provides XML file service interface and opc server service by ethernet switching device (6) to user, the EDD file translation of smart machine is become XML file according to EDDL specification by smart devices EDD resolution server (3), form the XML file catalogue of smart machine, static interface is externally provided with the form of XML file server, simultaneously can by the functional block object of the smart machine after parsing, parameter, menu, view information dynamically externally provides with opc server, user needs to determine to adopt dynamically or static data interface service according to use.
9. management method according to claim 5, is characterized in that: described smart devices historical data center (2) provides history data store service and data retrieval service by ethernet switching device (6) to user; Field apparatus configuration platform (4) and operator station (5) are to the visit information of the acyclic data of valve (10), pressure unit (12), temperature transmitter (13) and intelligent sensor (14), be stored into smart devices historical data center (2) by ethernet switching device (6), smart devices historical data center (2) provide the retrieval service of historical data to user by ethernet switching device (6) simultaneously.
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