CN203705932U - Modbus communication concentrator based on wireless technology - Google Patents
Modbus communication concentrator based on wireless technology Download PDFInfo
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- CN203705932U CN203705932U CN201420073210.9U CN201420073210U CN203705932U CN 203705932 U CN203705932 U CN 203705932U CN 201420073210 U CN201420073210 U CN 201420073210U CN 203705932 U CN203705932 U CN 203705932U
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- 238000004891 communication Methods 0.000 title claims abstract description 59
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 11
- 230000006641 stabilisation Effects 0.000 claims description 7
- 238000011105 stabilization Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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]
Abstract
The utility model relates to a Modbus communication concentrator based on a wireless technology. The Modbus communication concentrator comprises a main controller, a power supply module, an LED lamp module, a debugging interface module, a wireless module, an Ethernet communication module, an upstream interface and a downstream interface, wherein the power supply module is respectively connected with the main controller, the LED lamp module, the debugging interface module, the wireless module and the Ethernet communication module, the LED lamp module, the debugging interface module, the wireless module and the Ethernet communication module are further respectively connected with the main controller, the downstream interface is connected with the wireless module, and the upstream interface is connected with the Ethernet communication module. With the adoption of the Modbus communication concentrator, the data communication between the upper computer and a plurality of wireless slave units can be realized, the upper computer can manage the plurality of wireless slave units in a centralized manner, and the Modbus communication concentrator has the advantages of high real-time performance, high reliability and convenient usage.
Description
Technical field
The utility model relates to wireless monitoring equipment in distribution automation system, is specifically related to a kind of communication of the Modbus based on wireless technology concentrator.
Background technology
Distribution automation system is a kind of acquiring electric energy information, processing and real-time monitoring system, in most of switchgear building monitoring sites, need at present the ruuning situation of working environment and the equipment of monitoring site, this just needs central controller to connect a large amount of terminals from equipment by wired mode, such as information collecting devices such as ammeter, Temperature Humidity Sensor, smoke transducers.This Terminal Type has the communication function of Modbus agreement from equipment, but because terminal is more from device category, quantity is larger, and wiring is also intricate, this will cause the programming of central controller and setting to become very difficult, all terminals all will be connected with of a central processing unit communication interface from equipment, but central processing unit communication interface limited amount, if there is a terminal to break down and will cause whole communication network to interrupt from equipment, this can cause distribution automation system fault, system maintenance is got up very inconvenient, and can only regularly patrol survey, cycle is longer, poor reliability in real time.At present, on market, also there is supporting the concentrator of Modbus agreement, as " a kind of Modbus communication concentrator " of Chinese patent literature record, its publication number is CN202735801U, it comprises housing, be arranged on the communication interface on housing and be arranged on central control unit, insulating power supply module, data storage cell, 485 communication units, CAN communication unit and the ethernet communication unit in housing, described communication interface comprises 485 interfaces, CAN interface and Ethernet interface.The utility model, as main frame, can connect the equipment of a large amount of support RS485modbus slave agreements, just can realize the data acquisition from machine equipment by simple configuration slave addresses table; As slave, there are 485 interfaces, CAN interface and Ethernet interface, rich interface, carries out data transmission with CAN or Ethernet, but can not realize the radio communication between host computer and wireless slave unit by this concentrator, and still have the more complicated problem of wiring.
Summary of the invention
The purpose of this utility model is to provide a kind of communication of the Modbus based on wireless technology concentrator, to realize the radio communication of host computer and multiple wireless slave units, make host computer manage multiple wireless slave units concentratedly, and real-time is high, reliability is strong, easy to use.
Modbus based on wireless technology communication concentrator described in the utility model, comprise master controller, power module, LED lamp module, debugging interface module, wireless module, ethernet communication module, upstream Interface and downstream interface, described power module respectively with master controller, LED lamp module, debugging interface module, wireless module is connected with ethernet communication module, described LED lamp module, debugging interface module, wireless module is also connected with master controller respectively with ethernet communication module, described downstream interface is connected with wireless module, described upstream Interface is connected with ethernet communication module.
Described master controller adopts arm processor STM32F103VET6.
The radio-frequency module that described wireless module comprises microprocessor and is connected with microprocessor, described radio-frequency module adopts CC1101 radio frequency chip.
Described debugging interface module is connected with master controller by J-TAG interface.
Described upstream Interface is the Ethernet interface of supporting TCP Modbus agreement, and described downstream interface is the wave point of supporting Modbus agreement on serial link.
Described LED lamp module comprises power light and concentrator communications status pilot lamp.
Described power module comprises power interface and linear voltage stabilization module, and described linear voltage stabilization module is connected with power interface, and described power interface is connected with 5V direct supply.
When use, this Modbus communication concentrator is connected with the wireless slave unit of multiple support Modbus agreements by wave point, and is connected with host computer by Ethernet interface.
Modbus based on wireless technology communication concentrator described in the utility model, has realized the radio communication between host computer and multiple wireless slave unit, makes host computer can manage multiple wireless slave units concentratedly; In use, if after certain wireless slave unit disconnects, out, when after fault restoration, network can automatic switching on, is convenient to a large amount of wireless slave units to manage concentratedly, has strengthened the stability of data sampling and processing and transmission for the automatic diagnosis of main equipment energy; And network parameter configuration is simple, after server ip change, without amendment concentrator network parameter, make the configuration of concentrator simple, reduced the construction debugging difficulty of engineering, and communication performance is comparatively stable, has changed simultaneously and relied in the past manual patrol to search and the traditional method of wired monitoring of environmental, improve work efficiency, reduced maintenance cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Now by reference to the accompanying drawings the utility model is described in further detail:
The communication of the Modbus based on wireless technology concentrator as shown in Figure 1, comprise master controller 3, power module 7, LED lamp module 8, debugging interface module 6, wireless module 4, ethernet communication module 2, upstream Interface 1 and downstream interface 5, described power module 7 respectively with master controller 3, LED lamp module 8, debugging interface module 6, wireless module 4 is connected with ethernet communication module 2, described LED lamp module 8, debugging interface module 6, wireless module 4 is also connected with master controller 3 respectively with ethernet communication module 2, described downstream interface is connected with wireless module 4, described upstream Interface is connected with ethernet communication module 2.
Described master controller 3 adopts arm processor STM32F103VET6.This processor be ST company based on ARM Cortex-M3 core design, there is the feature of high-performance, low cost, low-power consumption.And STM32F103VET has abundant peripheral hardware resource, have 3 SPI interfaces, 2 I2C interfaces, 3 universal synchronous/asynchronism transceivers, 2 UART Universal Asynchronous Receiver Transmitter, 1 USB2.0 interface at full speed, 1 CAN interface etc.By corresponding interface, modules is coupled together, each several part module is carried out to read-write operation.Described master controller 3 is for moving concentrator master routine, possess automatic transmission order and receive data function, after collecting device powers on, described master controller 3 sends data to described wireless module 4 and encodes, form the data that wireless slave unit can receive, send order by wireless module 4, after concentrator reception response data, be deposited into the data storage area of master controller 3.
Described ethernet communication module 2 adopts ENC28J60 as ethernet controller, and master controller 3 shows by SPI cause for gossip and ENC28J60 communicates, and message transmission rate is up to 10Mb/s.ENC28J60 meets whole specifications of IEEE 802.3, has adopted a series of packet filtering mechanism to limit the packet importing into.That network interface adopts is HR911105A, and the LED light that it is built-in with network isolation transformer, terminal match circuit and two reflection PHY duties, has signal coupling, electrical isolation impedance matching, suppresses the advantages such as interference.Connect ethernet module 5 and host computer by Ethernet netting twine, realize with system monitoring main website and carry out exchanges data.
The radio-frequency module 4b that described wireless module 4 comprises microprocessor 4a and is connected with microprocessor 4a, described radio-frequency module 4b adopts CC1101 radio frequency chip.The frequency of operation of CC1101 radio frequency chip is 433MHz, and wireless module 4 is for being responsible for communicating by letter between master controller 3 and wireless slave unit.After receiving the order of host computer, concentrator communicates and then completes corresponding function with corresponding wireless slave unit.SI, the SO of CC1101 radio frequency chip, SCLK, CSn, GDO0 are connected with the corresponding pin of microprocessor 4a respectively, can arrange CC1101 radio frequency chip working method and working channel etc. by SPI interface.In the time that CC1101 radio frequency chip has data, will there is saltus step in the level of the GDO0 pin on it, and microprocessor 4a detects after this signal, will obtain the data that this chip sends.
Described debugging interface module 6 is connected with master controller 3 by jtag interface.Can test and system emulation chip internal by JTAG, and can carry out a series of adjustment methods such as debugging breakpoints, single step execution, read-write register and memory value demonstration.JTAG standard interface is 4 line systems: TCK (test clock), TMS (model selection), TDI (data input), TDO (data output), being connected with master controller 3 can be 14 needle interfaces, also can be 20 needle interfaces, in the utility model, master controller 3 adopts the jtag interface of 20 pins.
Described upstream Interface 1 is for supporting the Ethernet interface of TCP Modbus agreement, and described downstream interface 5 is for supporting the wave point of Modbus agreement on serial link.This concentrator is connected with host computer by Ethernet interface, is connected with the wireless slave unit of multiple support Modbus agreements by wave point, realizes the data communication of host computer and each wireless slave unit.
Described LED lamp module 8 comprises power light and concentrator communications status pilot lamp.Power light is used to indicate concentrator power supply normally, and concentrator communications status pilot lamp is used for showing concentrator transceiving data state, in the time of transceiving data, and corresponding pilot lamp flicker, convenient communication is debugged.
Described power module 7 comprises power interface 7b and linear voltage stabilization module 7a, and described linear voltage stabilization module 7a is connected with power interface 7b, and described power interface 7b is connected with 5V direct supply.Because modules required voltage in whole concentrator is all 3.3V, be electrically connected by described power interface 7b and described linear voltage stabilization module 7a, can realize the reliable supply of 3.3V.In the time of Power Management Design, with magnetic bead, power supply input area and digital circuitry regions to be isolated, high frequency noise and the spike that can effectively suppress power supply input time, may bring disturb.
The course of work of the communication of the Modbus based on wireless technology concentrator described in the utility model: first after concentrator power-up initializing, concentrator circulation sends the order of fetch equipment Information Monitoring to wireless slave unit, after wireless slave unit response, the data that collect are delivered to concentrator, concentrator carries out Modbus data processing and storage in short-term.In the time that concentrator is received the reading out data order of backstage host computer transmission, concentrator extracts corresponding information according to the order issuing in the buffer area of storage data, and then passes through TCP Modbus agreement to backstage host computer uploading data; If transmission control command, concentrator directly issues this order.So both can save communication bandwidth, and can make again backstage understand in time the duty of equipment.
The utility model is equipped with powerful computation software, not only can carry out data acquisition to radio ammeter, can also carry out Real-Time Monitoring to site environment, can allow administrative authority's very first time understand field data, avoid connecting and connect up in a large number from equipment, and real-time is high, reliability is strong, easy to use, thereby improved work efficiency, reduce maintenance cost.
Claims (7)
1. the communication of the Modbus based on a wireless technology concentrator, it is characterized in that: comprise master controller (3), power module (7), LED lamp module (8), debugging interface module (6), wireless module (4), ethernet communication module (2), upstream Interface (1) and downstream interface (5), described power module (7) respectively with master controller (3), LED lamp module (8), debugging interface module (6), wireless module (4) is connected with ethernet communication module (2), described LED lamp module (8), debugging interface module (6), wireless module (4) is also connected with master controller (3) respectively with ethernet communication module (2), described downstream interface (5) is connected with wireless module (4), described upstream Interface (1) is connected with ethernet communication module (2).
2. the communication of the Modbus based on wireless technology concentrator according to claim 1, is characterized in that: described master controller (3) adopts arm processor STM32F103VET6.
3. the communication of the Modbus based on wireless technology concentrator according to claim 1 and 2, it is characterized in that: the radio-frequency module (4b) that described wireless module (4) comprises microprocessor (4a) and is connected with microprocessor (4a), described radio-frequency module (4b) adopts CC1101 radio frequency chip.
4. the Modbus based on wireless technology according to claim 1 and 2 communication concentrator, its feature in: described debugging interface module (6) is connected with master controller (3) by jtag interface.
5. the communication of the Modbus based on wireless technology concentrator according to claim 1 and 2, it is characterized in that: described upstream Interface (1) is for supporting the Ethernet interface of TCP Modbus agreement, and described downstream interface (5) is for supporting the wave point of Modbus agreement on serial link.
6. the communication of the Modbus based on wireless technology concentrator according to claim 1 and 2, is characterized in that: described LED lamp module (8) comprises power light and concentrator communications status pilot lamp.
7. the communication of the Modbus based on wireless technology concentrator according to claim 1 and 2, it is characterized in that: described power module (7) comprises power interface (7b) and linear voltage stabilization module (7a), described linear voltage stabilization module (7a) is connected with power interface (7b), and described power interface (7b) is connected with 5V direct supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420073210.9U CN203705932U (en) | 2014-02-20 | 2014-02-20 | Modbus communication concentrator based on wireless technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420073210.9U CN203705932U (en) | 2014-02-20 | 2014-02-20 | Modbus communication concentrator based on wireless technology |
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| CN203705932U true CN203705932U (en) | 2014-07-09 |
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| CN201420073210.9U Expired - Lifetime CN203705932U (en) | 2014-02-20 | 2014-02-20 | Modbus communication concentrator based on wireless technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114513386A (en) * | 2022-04-19 | 2022-05-17 | 卓望数码技术（深圳）有限公司 | MODBUS equipment networking method and device, computer equipment and medium |
-
2014
- 2014-02-20 CN CN201420073210.9U patent/CN203705932U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114513386A (en) * | 2022-04-19 | 2022-05-17 | 卓望数码技术（深圳）有限公司 | MODBUS equipment networking method and device, computer equipment and medium |
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| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
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| CX01 | Expiry of patent term |