CN105204429A - Industrial multiple-parameter data remote transmission device - Google Patents
Industrial multiple-parameter data remote transmission device Download PDFInfo
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- CN105204429A CN105204429A CN201510764016.4A CN201510764016A CN105204429A CN 105204429 A CN105204429 A CN 105204429A CN 201510764016 A CN201510764016 A CN 201510764016A CN 105204429 A CN105204429 A CN 105204429A
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- remote transmission
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- data remote
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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
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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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
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/15—Plc structure of the system
- G05B2219/15078—Modules, construction of system
Abstract
The invention discloses an industrial multiple-parameter data remote transmission device which comprises a PLC, an industrial data collector, a transformer, an uninterruptible power supply (UPS), a wireless data remote transmission unit DTU and a touch screen, wherein the PLC is connected with the wireless data remote transmission unit DTU, the industrial data collector and the touch screen; the transformer and the UPS are connected with the PLC, the industrial data collector, the wireless data remote transmission unit DTU and the touch screen respectively. With the adoption of the industrial multiple-parameter data remote transmission device, collection, remote transmission and intelligent monitoring of a monitoring device on field data can be realized, a developable intelligent control platform is realized, working personnel can perform visual monitoring conveniently on the field condition of the overall area in one monitoring center; besides, the VPN technology is adopted for remote transmission, and undistorted bidirectional data transmission between the remote monitoring center and the monitoring spot is realized through the GPRS network and internet.
Description
Technical field
The present invention relates to remote control technology, particularly relate to the industrial Multi-parameter data remote transmission device of one for industry spot operating condition.
Background technology
Current most enterprise all compares attention to the production automation, they or adopt DCS (containing PLC) or adopt the industrial computer based on CP bus to form easy decentralized TT&C system.But the automated system in the middle of reality is all dispersed on each device, lacks interconnected means between each automation equipment of enterprises, be difficult to the Real-Time Sharing realizing information.Current PLC control system majority adopts field bus control system, the network formed based on this bus is enclosed, open bad, need to be equipped with special address card between workstation just can communicate with one another, costly, and this communication is positioned at field control layer, administration and supervision authorities cannot be uploaded to by Ethernet.The data assets of enterprise will incur loss.The industry spot monitoring mode on the spot extensively adopted now, has embodied many drawbacks, as monitoring localization, overall control from being complicated etc.Field working conditions needs field staff to check one by one on-the-spot touch-screen, waste of manpower, is difficult to carry out in real time control field data, and the Real-time Monitor Management that cannot realize entirety and coordination.
Summary of the invention
For the drawback of above-mentioned prior art, the object of this invention is to provide a kind of industrial Multi-parameter data remote transmission device, this device is adopted will fundamentally to solve the difficult problem of monitoring, realize the remote transmission of on-the-spot operating condition and real time data, and distance is not restricted and is limited, there is the place that movable signal covers, all can use this Multi-parameter data remote transmission device.
The present invention to achieve these goals, take following technical scheme: a kind of industrial Multi-parameter data remote transmission device, it is characterized in that: this device comprises the programmable logic controller (PLC) PLC be fixed in field control cabinet, industrial data acquisition unit, transformer, uninterrupted power source UPS, wireless data remote transmission unit DTU and touch-screen, wherein programmable logic controller (PLC) PLC through RS485 bus respectively with wireless data remote transmission unit DTU, industrial data acquisition unit connects, touch-screen is connected with programmable logic controller (PLC) PLC by RS232 serial ports, industrial data acquisition unit is connected with industry spot sensor, wireless data remote transmission unit DTU data remote is to remote monitoring center, transformer, uninterrupted power source UPS respectively with programmable logic controller (PLC) PLC, industrial data acquisition unit, wireless data remote transmission unit DTU and touch-screen connect.
The beneficial effect that the present invention produces is: adopt this device to realize supervising device to the collection of field data, teletransmission and Intellectualized monitoring, achieving one can developing intellectual resource parametric controller.Facilitate staff just can the regional field working conditions of visual control a Surveillance center.Teletransmission adopts VPN technologies, can realize remote monitoring center and the undistorted bidirectional data transfers of monitoring site by GPRS network, internet.
Accompanying drawing explanation
Fig. 1 is catenation principle block diagram of the present invention;
Fig. 2 is connectivity port of the present invention distribution diagram;
Fig. 3 is the present invention's application principle block diagram in heat supply network remote monitoring;
Fig. 4 is industrial data remote transmitting device overall workflow block diagram;
Fig. 5 is PLC routine data processing flow chart in Fig. 4.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
With reference to Fig. 1, a kind of industrial Multi-parameter data remote transmission device comprises the programmable logic controller (PLC) PLC be fixed in field control cabinet, industrial data acquisition unit, transformer, uninterrupted power source UPS, wireless data remote transmission unit DTU and touch-screen, wherein programmable logic controller (PLC) PLC through RS485 bus respectively with wireless data remote transmission unit DTU, industrial data acquisition unit connects, touch-screen is connected with programmable logic controller (PLC) PLC by RS232 serial ports, industrial data acquisition unit is connected with industry spot sensor, wireless data remote transmission unit DTU data remote is to remote monitoring center, transformer, uninterrupted power source UPS respectively with programmable logic controller (PLC) PLC, industrial data acquisition unit, wireless data remote transmission unit DTU and touch-screen connect.
The model of programmable logic controller (PLC) PLC is for converging river H
2u-1010MR-XP.Industrial data acquisition unit model is CJQ600i.
With reference to Fig. 2, industrial data acquisition unit comprises four road pressure signals and gathers port 1(corresponding ports P1-P4), power port 2(DC24V), liquid crystal display window 3, four tunnel flow signal acquisition port 4(corresponding ports S1-S4), six road temperature signal collection port 5 (corresponding PT100 temperature sensor signal port T1-T6) and PORT COM 6(PLC ports).
Industrial data acquisition unit and wireless data remote transmission unit DTU are 24V direct current supply, and the connection Physical layer of wireless data remote transmission unit DTU, industrial data acquisition unit and programmable logic controller (PLC) PLC is RS485 communication.
The effect of the present invention's each device function is as follows:
1, PLC(remittance river H
2u-1010MR-XP): PLC reads all field data by COM2 port from industrial data acquisition unit through RS485 bus; PLC is connected with wireless data remote transmission unit DTU by COM port or COM device or COM1 through RS485 bus, realizes data double-way communication.
2, industrial data acquisition unit: industrial data acquisition unit is connected by the sensor of port and industry spot, signal feedback device, operating condition feedback signal, and connection jaws and terminal are as shown in Figure 2.Data acquisition unit can carry eight groups of 4-20mA standard current signals: corresponding ports P1-P4, S1-S4 respectively, six groups of PT100 temperature sensor signals: corresponding ports T1-T6 respectively, if on-site signal is more, can merge use by multiple collector.Data acquisition unit independence 24V powers, and can demarcate and data are packed to all collection signals, is designed with Modbus interface, can realizes communication through RS485 Physical layer through Modbus agreement and PLC.
3, wireless data remote transmission unit DTU: be connected with PLC and realize data double-way communication.Load common SIM cards in wireless data remote transmission unit DTU, communication function is by arranging realization to the configuration of wireless data remote transmission unit DTU and KingView modularization variable, and collocation method is ripe unified at present, repeats no more herein.
4, touch-screen is connected with PLC by RS232 serial ports, can show in real time, also can write Data Control to industry spot running status.
As shown in Figure 1, carry out connection to components and parts to build, outside alternating current 220V is powered to switch board, through air switch, transformer realizes alternating current 220V to be changed to direct current 24V, and direct current 24V is PLC, data acquisition unit power supply and wireless data remote transmission unit DTU power.PLC is connected with data acquisition unit through 485 buses, be defined as Modbus agreement, same mode is connected with wireless data remote transmission unit DTU, wireless data remote transmission unit DTU is configured, the data of any register cell of the read-write PLC of wireless data remote transmission unit DTU and can carry out teletransmission through GPRS, can realize the monitoring of remote center to scene.
Below for a certain commercial Application---central heating network is monitored, and introduces this industrial Multi-parameter data remote transmission device and realizes remote monitoring and improve intelligence degree embodiment.
(1) control field working conditions as shown in Figure 3, fixing the present invention is in scene.Field working conditions simulating signal is 4-20mA standard current signal and PT100 temperature sensor signal, meets this industrial Multi-parameter data remote transmission device usable range.
(2) parameters signal, connect on the apparatus according to electrical apparatus interstar connection rule, repeat no more herein.For the data analysis of the collection that will carry out and teletransmission, to PLC programming, carry this platform of holder in programming process and can intelligent control strategy be set, simultaneously according to actual conditions design touch screen interface.
(3) remote transmission device powers on, configuration DTU module, and deploy content comprises telephone number, access public network IP, baud rate, parity check bit.Herein, remote monitoring center needs configuration software to do corresponding configuration.
(4) power-off, checks that circuit and sensor re-power, can the remote transmission of time data, and data transmission is by distance limit, and the place having movable signal to cover all can use this device.The place that can enter the Internet all can accept the data that remote transmission is come.
The flowing of data remote transmitting device data is as follows: on-the-spot electric current and PT100 temperature sensor simulating signal, through collector collection, change into concrete value storage in collector register cell; Collector inside embeds Modbus agreement, packs to data preparation; PLC is data in this agreement batch reading collector; Wireless data remote transmission unit DUT as teletransmission data relay station, the data in any unit of two-way read-write PLC.
Remote monitoring center builds server, divides into client computer and facilitates policer operation.Server and client computer configuration software, by the configuration of wireless data remote transmission unit DTU and the setting of configuration module variable, the data of this device collection realize transmitted in both directions through GPRS network.
Basic configuration: first PLC clock, COM port or COM device or COM1 and the initialization of COM2 mouth; Internal default D8126 numerical value is 02H, RTU slave station, and D8121 numerical value is 1, and this configuration makes COM port or COM device or COM1 be tributary address mouth, and DTU module can read PLC internal data by COM port or COM device or COM1, and in operational process, change effectively; Internal default D8266 numerical value is 03H, RTU main website, and D8261 numerical value is 0, and this configuration makes COM2 mouth be main website address mouth, and PLC can read data collector internal storage region data by COM2 mouth, and in operational process, change effectively.
With reference to Fig. 4, data remote transmitting device overall workflow is:
Step one: switch board powers on, initialization after data collector powers on, empty register cell content, PLC unit has memory function, retains operation numerical value when running power-off last time;
Step 2: PLC is according to configuration information, and send the data request of ' reading ' by COM2 mouth to data collector, data collector is replied, and feeds back the data of reading back and;
Step 3: carry out data processing, finally puts into corresponding register cell the data handled well.For final processing unit, the computer terminal of remote monitoring center can such cell data of remote read-write.
With reference to Fig. 5, this device PLC routine data processing execution following steps:
The first step: after PLC powers on, communication coupling is carried out in the unique MODBUS address corresponding according to industrial data acquisition unit, and the information of this process need configuration has address (this embodiment address is unified is configured to 01), the register start element read, reading byte number, deposits PLC register start element (unit can take successively according to the reading byte number of setting afterwards), parity check bit.
Second step: the 4-20mA analog signals of coming in is read to collection and judges, be greater than 6400(remarks: 6400 is the minimum value of collection of simulant signal, the value being less than 6400 is improper value, should get rid of) for effective value, after exclusive PCR, cumulative 400 effective collection values, and average and put into corresponding PLC register cell (PLC unit can oneself select according to demand set), object is that collection capacity is shown more accurately, prevents the numerical value display caused because of sensor return signal noise from dodging screen phenomenon.
3rd step: line linearity is demarcated, rediscover temperature and pressure, the corresponding PT100 temperature sensor of linear calibration's scope and pressure unit effective range.
4th step: data are completed to the demarcation of putting into register cell and carries out floating-point process, become real-coded GA.
5th step: the upper limit is compared in setting, compares with capping by floating number, when exceeding the upper limit, arranges onsite alarming display.
Claims (4)
1. an industrial Multi-parameter data remote transmission device, it is characterized in that: this device comprises the programmable logic controller (PLC) PLC be fixed in field control cabinet, industrial data acquisition unit, transformer, uninterrupted power source UPS, wireless data remote transmission unit DTU and touch-screen, wherein programmable logic controller (PLC) PLC through RS485 bus respectively with wireless data remote transmission unit DTU, industrial data acquisition unit connects, touch-screen is connected with programmable logic controller (PLC) PLC by RS232 serial ports, industrial data acquisition unit is connected with industry spot sensor, wireless data remote transmission unit DTU data remote is to remote monitoring center, transformer, uninterrupted power source UPS respectively with programmable logic controller (PLC) PLC, industrial data acquisition unit, wireless data remote transmission unit DTU and touch-screen connect.
2. the industrial Multi-parameter data remote transmission device of one according to claim 1, is characterized in that: the model of programmable logic controller (PLC) PLC is for converging river H
2u-1010MR-XP.
3. the industrial Multi-parameter data remote transmission device of one according to claim 1, is characterized in that: industrial data acquisition unit model is CJQ600i.
4. the industrial Multi-parameter data remote transmission device of one according to claim 1, is characterized in that: programmable logic controller (PLC) PLC performs following steps:
The first step: after PLC powers on, communication coupling is carried out in the unique MODBUS address corresponding according to industrial data acquisition unit, the information of this process need configuration have address, reading register start element, read byte number, deposit PLC register start element, parity check bit;
Second step: read the 4-20mA analog signals of coming in judge gathering, be greater than 6400 for effective value, after exclusive PCR, cumulative 400 effective collection values, and average and put into corresponding PLC register cell;
3rd step: line linearity is demarcated, rediscover temperature and pressure, the corresponding PT100 temperature sensor of linear calibration's scope and pressure unit effective range;
4th step: data are completed to the demarcation of putting into register cell and carries out floating-point process, become real-coded GA;
5th step: the upper limit is compared in setting, compares with capping by floating number, when exceeding the upper limit, arranges onsite alarming display.
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| CN201510764016.4A CN105204429B (en) | 2015-11-11 | 2015-11-11 | A kind of industrial Multi-parameter data remote transmission device |
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| CN201510764016.4A CN105204429B (en) | 2015-11-11 | 2015-11-11 | A kind of industrial Multi-parameter data remote transmission device |
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| CN105204429B CN105204429B (en) | 2018-03-30 |
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Cited By (7)
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| CN106060120A (en) * | 2016-05-18 | 2016-10-26 | 苏州库德莱兹自动化技术有限公司 | Plc data remote transmission system and processing method thereof |
| CN107727024A (en) * | 2017-09-20 | 2018-02-23 | 江苏润模汽车检测装备有限公司 | A kind of automobile exterior automated detection system and detection method |
| CN109507942A (en) * | 2018-10-31 | 2019-03-22 | 珠海格力智能装备有限公司 | Date storage method and device |
| CN109539379A (en) * | 2018-11-22 | 2019-03-29 | 天津光电通信技术有限公司 | A kind of remote data monitoring device of heating plant |
| CN110858069A (en) * | 2018-08-22 | 2020-03-03 | 乌拉特前旗中燃城市燃气发展有限公司 | Distributed medium-voltage station wireless remote transmission management system |
| CN112350913A (en) * | 2020-11-12 | 2021-02-09 | 广东磊蒙智能装备集团有限公司 | Mining machinery Internet of things remote communication protocol |
| CN113805523A (en) * | 2021-09-08 | 2021-12-17 | 宁波明物智能科技有限公司 | Industrial serial port data bypass method and system based on Linux |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060120A (en) * | 2016-05-18 | 2016-10-26 | 苏州库德莱兹自动化技术有限公司 | Plc data remote transmission system and processing method thereof |
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| CN110858069A (en) * | 2018-08-22 | 2020-03-03 | 乌拉特前旗中燃城市燃气发展有限公司 | Distributed medium-voltage station wireless remote transmission management system |
| CN109507942A (en) * | 2018-10-31 | 2019-03-22 | 珠海格力智能装备有限公司 | Date storage method and device |
| CN109539379A (en) * | 2018-11-22 | 2019-03-29 | 天津光电通信技术有限公司 | A kind of remote data monitoring device of heating plant |
| CN112350913A (en) * | 2020-11-12 | 2021-02-09 | 广东磊蒙智能装备集团有限公司 | Mining machinery Internet of things remote communication protocol |
| CN113805523A (en) * | 2021-09-08 | 2021-12-17 | 宁波明物智能科技有限公司 | Industrial serial port data bypass method and system based on Linux |
| CN113805523B (en) * | 2021-09-08 | 2023-08-18 | 宁波明物智能科技有限公司 | Industrial serial port data bypass method and system based on Linux |
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Granted publication date: 20180330 Termination date: 20211111 |