CN106254194A - A kind of GPRS Wireless Data Transmission Terminal acquisition method and acquisition module - Google Patents
A kind of GPRS Wireless Data Transmission Terminal acquisition method and acquisition module Download PDFInfo
- Publication number
- CN106254194A CN106254194A CN201610640913.9A CN201610640913A CN106254194A CN 106254194 A CN106254194 A CN 106254194A CN 201610640913 A CN201610640913 A CN 201610640913A CN 106254194 A CN106254194 A CN 106254194A
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- Prior art keywords
- circuit
- gprs
- data
- cpu processor
- task
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Classifications
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- 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], computer integrated manufacturing [CIM]
- G05B19/4183—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], computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
-
- 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], computer integrated manufacturing [CIM]
- G05B19/4185—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], computer integrated manufacturing [CIM] characterised by the network communication
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40228—Modbus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/4026—Bus for use in automation systems
-
- 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]
Abstract
The invention discloses a kind of GPRS Wireless Data Transmission Terminal acquisition method and acquisition module.The on-site terminal device data collected is carried out uploading networking by this acquisition method by GPRS wireless data terminal acquisition module;Acquisition method of the present invention is carried out data screening by the CPU processor circuit of GPRS wireless data terminal acquisition module, is uploaded;CPU processor circuit performs initialization task, GPRS task, PLC task successively according to priority orders.Use the inventive method can be carried out in situ software data screening and process, control upload data volume and upload interval time, it is ensured that upload the effectiveness of data, save flow, optimize resource.
Description
Technical field
The present invention relates to electronic technology field, be specifically related to the GPRS Wireless Data Transmission Terminal collection side of a kind of integrated Soft-PLC
Method and acquisition module.
Background technology
GPRS Wireless Data Transmission Terminal module is widely used in various industrial automation field data networking blueprint, and GPRS is wireless
Field data is transferred to remote server, convenient remotely monitoring by GPRS network signal by data transmission terminal module.Prior art
In scheme, GPRS Wireless Data Transmission Terminal forms system, controller module collection site terminal unit with independent controller module
Data, then forward the data to GPRS Wireless Data Transmission Terminal acquisition module by the PORT COM of controller module, eventually through
GPRS Wireless Data Transmission Terminal module uploads data network;Additionally, in prior art, GPRS Wireless Data Transmission Terminal acquisition module
The data received can not be screened and uploaded interval time arrange, the most actually used in upload substantial amounts of invalid data,
Waste flow and resource.
Summary of the invention
The invention aims to solve defect present in prior art, it is provided that a kind of industrial automation field data
Network the most convenient acquisition method more optimized and acquisition module.
In order to achieve the above object, the invention provides a kind of GPRS Wireless Data Transmission Terminal acquisition method, this acquisition method
Carry out uploading networking by the on-site terminal device data collected by GPRS wireless data terminal acquisition module;The present invention gathers
Method is carried out data screening by the CPU processor circuit of GPRS wireless data terminal acquisition module, is uploaded;CPU processor electricity
Road performs initialization task, GPRS task, PLC task successively according to priority orders.
Wherein, CPU processor circuit also includes house dog task, is exported by periodic refreshing house dog, prevents CPU process
Device program fleet is out of control.
Present invention also offers the GPRS Wireless Data Transmission Terminal acquisition module using above-mentioned acquisition method, including S232 interface
Circuit, RS485 interface circuit, GPRS telecommunication circuit, SIM interface circuit, clock circuit, power circuit, reset circuit and CPU
Processor circuit;CPU processor circuit respectively with RS232 interface circuit, RS485 interface circuit, GPRS telecommunication circuit, SIM
Interface circuit, clock circuit communicate to connect;Power circuit connects CPU processor circuit by power line;Reset circuit controls even
Connect CPU processor circuit.
Wherein, RS232 interface circuit, acp chip is SP3232, and communications protocol observes standard Modbus slave station protocol, logical
News baud rate is configurable between 4800 ~ 115200, is defaulted as 38400.
RS485 interface circuit, acp chip is MAX3078, and communications protocol observes standard Modbus master station protocol, communication baud rate
Can configure between 4800 ~ 115200, give tacit consent to 38400;RS485 bus is passed through in main website communication, can be main by upper computer software
Stand configure multiple distinct devices numbering slave station equipment, support 01,02,03,04,05,06,15,16 8 kind of basic function code.
GPRS telecommunication circuit, the communication unit being made up of acp chip M72-D, resolve GPRS signal by modulation, it is achieved
CPU processes data transmission between circuit and remote server.
CPU processor circuit, acp chip is Freescale MK10DX128VLH5 processor, has been internally integrated Soft-PLC group
State unit, software power down memory element.
Soft-PLC configuration unit supports that arithmetical operation, logical operations, Timing Processing, counting process, and data volume is uploaded in support
Arrange and upload and arrange interval time.
Software power down memory element, 256 bytes of storage size, after module power down, store specified bytes number
Significant data.
In acquisition method of the present invention, initialization task, GPRS task, PLC task and house dog task run are at MQX3.7
In operating system.
Wherein, initialization task priority is 1, complete the initialization of CPU processor circuit and mastery routine GPRS task,
PLC task, house dog task creation select;After the initialization of CPU process circuit refers to power on, CPU processes circuit to CPU process
The GPIO port of device chip, RS232 serial ports and RS485 serial ports peripheral hardware initialize;
GPRS task priority is 2, is sequentially completed that GPRS default parameters initializes, GPRS is locally configured, GPRS and Soft-PLC configuration
The conversion of unit bi-directional data and transmission, networked information diagnosis.
PLC task priority is 3, be sequentially completed Soft-PLC peripheral hardware reset, RS232 serial communication judge, GPRS locally configured
Order and PLC configuration order judge, the configuration of PLC configuration;Then carry out virtual serial port communication judgement, GPRS data is uploaded enable and is sentenced
Break, upload data volume and upload setting interval time, configured judgement;Finally carry out RS485 serial communication judgement, Modbus
Main website communication;After completing the judgement operation of above serial ports, Soft-PLC configuration unit carries out the process of PLC director data and software power down is deposited
Storage unit carries out power failure data storage, and PLC specifies data processed result to leave the GPRS specified in and uploads region, in GPRS data
Upload enable effective time, complete data send;When GPRS data is uploaded and enabled invalid, data do not send.
The present invention has the advantage that employing the inventive method can be carried out in situ software data screening compared to existing technology
And process, control upload data volume and upload interval time, it is ensured that upload the effectiveness of data, save flow, optimize resource.Adopt
Eliminate in traditional scheme industrial automation field data networked system with GPRS Wireless Data Transmission Terminal acquisition module of the present invention and need
Controller module to be equipped with, simplified system scheme, save system cost, and can effectively help client to realize teledata prison
Control and collect.Can conveniently add the slave station equipment of multiple 485 bus communications simultaneously, add the autgmentability of system.
Accompanying drawing explanation
Fig. 1 is the structural frames of the industrial automation field data networked system using GPRS terminal acquisition module of the present invention
Figure;
Fig. 2 is the structured flowchart of GPRS terminal acquisition module of the present invention;
Fig. 3 is the system flow chart of CPU processor circuit in Fig. 2 of the present invention;
Fig. 4 is the signal processing flow figure of acquisition method of the present invention.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the system architecture schematic diagram of the present invention.The present invention provides the GPRS terminal of a kind of integrated Soft-PLC to gather mould
Block, is applied in industrial automation field data networked system structure, and this acquisition module can be followed by RS485 interface circuit
Direct-connected up to 5 slave station equipment of RS485 bus mode, carry out the GPRS of this locality by RS232 interface circuit and RS232 connecting line
Parameter configuration and the configuration of Soft-PLC configuration, the data finally reception processed are transferred to far by GPRS signal and Internet
Journey server.
Fig. 2 is that acquisition module of the present invention forms schematic diagram.GPRS transmission terminal acquisition module of the present invention includes RS232 interface electricity
At road, RS485 interface circuit, GPRS telecommunication circuit, SIM interface circuit, clock circuit, power circuit, reset circuit, CPU
Reason device circuit.CPU processor circuit connects with RS232 interface circuit, RS485 interface circuit, GPRS telecommunication circuit, SIM respectively
Mouth circuit, clock circuit communication connection;Power circuit connects CPU processor circuit by power line;Reset circuit controls to connect
CPU processor circuit.
As it is shown on figure 3, invention software runs in MQX3.7 operating system, CPU processor circuit is according to priority of task
The first post processing initialization task of level order, GPRS task, PLC task and four tasks of house dog task.
As shown in Figure 4, CPU processor circuit performs initialization task, GPRS task, PLC successively according to priority orders
Task, CPU processor also comprises house dog task simultaneously, is exported by periodic refreshing house dog, prevents CPU processor program from running
Fly out of control.Initialization task completes initialization and mastery routine GPRS task, PLC task, the house dog task of CPU processor circuit
Creating and select, after wherein the initialization of CPU process circuit completes to power on, CPU processes at the beginning of the circuit GPIO port to processor chips
Beginningization, RS232 serial ports peripheral hardware initialize, RS485 serial ports peripheral hardware initializes and virtual serial port initializes.GPRS task is the completeest
Become GPRS default parameters to initialize, GPRS is locally configured, GPRS changes with Soft-PLC configuration unit bi-directional data and transmission, networking
Information diagnosis.PLC task is sequentially completed the reset of Soft-PLC peripheral hardware, the judgement of RS232 serial communication, the locally configured order of GPRS and PLC
Configuration order judges, the configuration of PLC configuration;Then carry out virtual serial port communication judgement, GPRS data is uploaded enable and is judged, uploads number
According to measuring and upload setting interval time, having configured judgement;Finally carry out RS485 serial communication judgement, the communication of Modbus main website;
After completing the judgement operation of above serial ports, Soft-PLC configuration unit carries out the process of PLC director data and software power down memory element is carried out
Power failure data stores, and PLC specifies data processed result to leave the GPRS specified in and uploads region, and uploading enable in GPRS data has
During effect, complete data and send;When GPRS data is uploaded and enabled invalid, data do not send.
Claims (6)
1. a GPRS Wireless Data Transmission Terminal acquisition method, this acquisition method will be adopted by GPRS wireless data terminal acquisition module
Collect to on-site terminal device data carry out uploading networking;It is characterized in that: described acquisition method passes through the wireless number of described GPRS
Carry out data screening according to the CPU processor circuit of terminal acquisition module, upload;Described CPU processor circuit is suitable according to priority
Sequence performs initialization task, GPRS task, PLC task successively.
Acquisition method the most according to claim 1, it is characterised in that: described CPU processor circuit also includes that house dog is appointed
Business, periodic refreshing house dog exports.
Acquisition method the most according to claim 2, it is characterised in that: described GPRS Wireless Data Transmission Terminal acquisition module includes
RS232 interface circuit, RS485 interface circuit, GPRS telecommunication circuit, SIM interface circuit, clock circuit, power circuit, reset
Circuit and described CPU processor circuit;Described CPU processor circuit respectively with RS232 interface circuit, RS485 interface circuit,
GPRS telecommunication circuit, SIM interface circuit, clock circuit communicate to connect;Described power circuit connects CPU process by power line
Device circuit;Described reset circuit controls to connect described CPU processor circuit;Described CPU processor circuit has been internally integrated soft
PLC configuration unit and software power down memory element;Described PLC task is: be sequentially completed the reset of Soft-PLC peripheral hardware, RS232 serial ports leads to
News judgement, the locally configured order of GPRS and PLC configuration order judge, the configuration of PLC configuration;Then carry out virtual serial port communication to sentence
Disconnected, GPRS data is uploaded enable and is judged, upload data volume and upload setting interval time, configured judgement;Finally carry out
RS485 serial communication judges, the communication of Modbus main website;After completing the judgement operation of above serial ports, Soft-PLC configuration unit carries out PLC
Director data processes and software power down memory element carries out power failure data storage, and PLC specifies data processed result to leave appointment in
GPRS upload region, GPRS data upload enable effective time, complete data send;Enable is uploaded invalid in GPRS data
Time, data do not send.
Acquisition method the most according to claim 3, it is characterised in that: described initialization task is: complete CPU processor electricity
The initialization on road and mastery routine GPRS task, PLC task, house dog task creation select;Described CPU processes the initialization of circuit
After referring to power on, CPU process circuit is initial to GPIO port, RS232 serial ports and the RS485 serial ports peripheral hardware of CPU processor chip
Change;Described GPRS task is: be sequentially completed that GPRS default parameters initializes, GPRS is locally configured, GPRS and Soft-PLC configuration unit
Bi-directional data conversion and transmission, networked information diagnosis.
5. the GPRS terminal acquisition module using the arbitrary described acquisition method of Claims 1-4, it is characterised in that: described
Acquisition module includes: S232 interface circuit, RS485 interface circuit, GPRS telecommunication circuit, SIM interface circuit, clock circuit,
Power circuit, reset circuit, it is internally integrated Soft-PLC configuration unit and the CPU processor circuit of software power down memory element;Institute
State CPU processor circuit respectively with RS232 interface circuit, RS485 interface circuit, GPRS telecommunication circuit, SIM interface circuit,
Clock circuit communicates to connect;Described power circuit connects CPU processor circuit by power line;Described reset circuit controls even
Connect described CPU processor circuit.
Acquisition module the most according to claim 5, it is characterised in that: described RS232 interface circuit uses SP3232 chip;
Described RS485 interface circuit uses MAX3078 chip;Described GPRS telecommunication circuit uses M72-D chip;Described CPU processor
Circuit uses Freescale MK10DX128VLH5 processor chips.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107942785A (en) * | 2017-11-15 | 2018-04-20 | 常州天正工业发展股份有限公司 | A kind of production equipment data capture method and device |
CN111770059A (en) * | 2020-06-01 | 2020-10-13 | 南大傲拓科技江苏股份有限公司 | System for realizing communication between adaptive serial port communication software and remote GPRS (general packet radio service) equipment |
CN113075902A (en) * | 2020-05-18 | 2021-07-06 | 格联(上海)物联技术有限公司 | PLC data acquisition device |
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CN201335980Y (en) * | 2009-01-22 | 2009-10-28 | 江苏联宏自动化系统工程有限公司 | Field network control device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107942785A (en) * | 2017-11-15 | 2018-04-20 | 常州天正工业发展股份有限公司 | A kind of production equipment data capture method and device |
CN113075902A (en) * | 2020-05-18 | 2021-07-06 | 格联(上海)物联技术有限公司 | PLC data acquisition device |
CN111770059A (en) * | 2020-06-01 | 2020-10-13 | 南大傲拓科技江苏股份有限公司 | System for realizing communication between adaptive serial port communication software and remote GPRS (general packet radio service) equipment |
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