CN205318206U - PLC remote monitering system - Google Patents
PLC remote monitering system Download PDFInfo
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- CN205318206U CN205318206U CN201620102513.8U CN201620102513U CN205318206U CN 205318206 U CN205318206 U CN 205318206U CN 201620102513 U CN201620102513 U CN 201620102513U CN 205318206 U CN205318206 U CN 205318206U
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- 230000000875 corresponding effect Effects 0.000 description 3
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- 238000012544 monitoring process Methods 0.000 description 2
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Abstract
The utility model relates to an industry control automation provides a PLC remote monitering system, include: a PLC module, remote communication control module and remote communication control customer end, wherein, remote communication control module one end is connected to the PLC module, and the remote communication control module other end is connected to the HMI module that be used for input, the demonstration of data the HMI module, be used for automatic real time control for management PLC module with data transmission between the HMI module, remote communication control customer end with remote communication control module connects, is used for acquireing remote communication control module's management data, customer can acquire remote communication control module's data after the internet access is establish with remote communication control module to remote communication control customer end, perhaps control remote communication control module and give PLC module control module 0 the order, the action of control PLC module.
Description
Technical field
The utility model relates to industry control automatic field, particularly relates to a kind of PLC long distance control system.
Background technology
Current PLC long distance control system generally comprises HMI man-machine interface SamkoonHMI, PLC and RS232/485/422 communication line.
HMI is the abbreviation of HumanMachineInterface, is also man-machine interface. HMI is the medium carrying out data interaction and information exchange between user and PLC, and it realizes the inside form of information and the mankind can accept the conversion between form. The kind of interface of HMI is a lot, has RS232, RS485, RS422 interface, and HMI is connected with PLC by serial ports, and the data that PLC is collected feed back to above HMI, or user sends order to PLC by HMI, and control PLC carries out corresponding action.
This kind of man-machine interaction mode staff must stay in working site, if staff leaves just cannot obtain PLC information by HMI control PLC or by HMI.
Practical novel content
The purpose of this utility model is to provide a kind of PLC long distance control system, it is intended to solve long-range uncontrollable, the problem that obtains PLC information of staff in existing PLC monitoring system.
The utility model provides a kind of PLC long distance control system, comprising: for HMI module, the PLC module, relay, telecommunication control module and the telecommunication control client that control in real time for automation of the input of data, display;
Wherein said relay is connected to described PLC module, for external connection electrical apparatus equipment;
Telecommunication control module one end is connected to PLC module, and the described telecommunication control module other end is connected to described HMI module, for the transfer managed between described PLC module and described HMI module;
Telecommunication control client and described telecommunication control model calling, for obtaining the management data of described telecommunication control module.
Further, telecommunication control module is by R485 or R422 cable and the two-way communication connection of described HMI module.
Further, telecommunication control module is connected with described PLC module by RS232, R485 or R422 cable.
Further, telecommunication control client is passed through cable network or wireless network and described telecommunication and is controlled model calling.
Further, telecommunication control module comprises telecommunication controller circuitry, and described telecommunication controller circuitry comprises the first serial port circuit for receiving and dispatching data, for receiving and dispatching the 2nd serial port circuit of data, switch circuit, MCU circuit;
Switch circuit is connected with described first serial port circuit, described 2nd serial port circuit, for data communication that is direct-connected or that turn off between described first serial port circuit and described 2nd serial port circuit;
MCU circuit is connected with described first serial port circuit, described 2nd serial port circuit and described switch circuit, for, together with described switch circuit, controlling the direct-connected or shutoff of data communication between described first serial port circuit and described 2nd serial port circuit.
Further, the first serial port circuit comprises chip U9, and described chip U9 adopts model to be the transceiver of SN65HVD82DR.
Further, the 2nd serial port circuit comprises chip U11 and chip U13, and described U11 and chip U13 all adopts model to be the transceiver of SN65HVD82DR.
Further, switch circuit comprises chip U5, and the model of described chip U5 is SN74LVC245.
Further, the first pin serial connection diode D23 of chip U9, one end of the other end contact resistance R64 of diode D23, the other end of resistance R64 is connected to the 3rd pin of chip U5;
One end of the 4th pin serial connection resistance R119 of chip U9, the other end of resistance R119 is connected to the 18 pin of described chip U5;
The first pin serial connection diode D31 of chip U11, the other end of diode D31 is connected to one end of resistance R91, and the other end of resistance R91 is connected to the 2nd pin of chip U5;
The pin 4 of chip U13 is connected one end of resistance R116, and the other end of resistance R116 is connected to the 17 pin of described chip U5.
This useful effect: client controls to open on the mobile phone of client or PC remote client software and sets up with telecommunication control module after network is connected in telecommunication, the data of telecommunication control module can be got, or control telecommunication control module sends instruction order to PLC module, the action of control PLC module.
Accompanying drawing explanation
Fig. 1 is a kind of PLC long distance control system structure schematic diagram in the utility model one embodiment;
Fig. 2 is communication controller circuit structure block diagram in the utility model one embodiment;
Fig. 3 is the circuit diagram of the first serial port circuit in the utility model one embodiment;
Fig. 4 is the circuit diagram of the 2nd serial port circuit in the utility model one embodiment;
Fig. 5 is the circuit diagram of the utility model one embodiment breaker in middle circuit.
Specific embodiment party formula
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is a kind of PLC long distance control system structure schematic diagram in the utility model one embodiment. With reference to Fig. 1, the utility model one embodiment provides a kind of PLC long distance control system, comprising: for HMI module 100, the PLC module 200, relay 300, telecommunication control module 400 and the telecommunication control client 500 that control in real time for automation of the input of data, display;
Wherein, relay 300 is connected to PLC module 200, for external connection electrical apparatus equipment;
Telecommunication control module 400 one end is connected to PLC module 200, described telecommunication control module 400 other end is connected to HMI module 100, for the transfer managed between PLC module 200 and HMI module 100, telecommunication control module 400 is by R485 or R422 cable and the two-way communication connection of described HMI module 100, and telecommunication control module 400 is connected with PLC module 200 by RS232, R485 or R422 cable.
Telecommunication control client 500 controls module 400 with described telecommunication and is connected, for obtaining the management data of described telecommunication control module 400, telecommunication control client 500 controls module 400 by cable network or wireless network with described telecommunication and is connected.
Wherein, HMI module 100 selects model to be the touch-screen of AK-070AS, and PLC module 200 selects model to be the Programmable logical controller device of FX-3U, and telecommunication control client 500 uses Android mobile phone to install and uses software on corresponding mobile phone A PP or PC.
Fig. 2 is communication controller circuit 41 structure block diagram in the utility model one embodiment. With reference to Fig. 2, telecommunication control module 400 comprises telecommunication controller circuitry 410, and described telecommunication controller circuitry 410 comprises the first serial port circuit 411 for receiving and dispatching data, for receiving and dispatching the 2nd serial port circuit 412 of data, switch circuit 413, MCU circuit 414;
Switch circuit 413 is connected with described first serial port circuit 411, described 2nd serial port circuit 412, for data communication that is direct-connected or that turn off between described first serial port circuit 411 and described 2nd serial port circuit 412;
MCU circuit 414 is connected with described first serial port circuit 411, described 2nd serial port circuit 412 and described switch circuit 413, for, together with described switch circuit 413, controlling the direct-connected or shutoff of data communication between described first serial port circuit 411 and described 2nd serial port circuit 412.
Fig. 3 is the circuit diagram of the first serial port circuit 411 in the utility model one embodiment; Fig. 4 is the circuit diagram of the 2nd serial port circuit 412 in the utility model one embodiment; Fig. 5 is the circuit diagram of the utility model one embodiment breaker in middle circuit 413. With reference to Fig. 3,4,5, the first serial port circuit 411 comprises chip U9, and described chip U9 adopts model to be the transceiver of SN65HVD82DR.
2nd serial port circuit 412 comprises chip U11 and chip U13, and described U11 and chip U13 all adopts model to be the transceiver of SN65HVD82DR.
Switch circuit 413 comprises chip U5, and the model of described chip U5 is SN74LVC245. The pin 1 of the chip U9 of the first serial port circuit 411 is connected a diode D23, the other end of diode D23 is connected to one end that a resistance value is the resistance R64 of 1500 ohm, and the other end of resistance R64 is connected to the pin 3 that model is the chip U5 of SN74LVC245.
The pin 4 of the chip U9 of the first serial port circuit 411 resistance value of connecting is one end of resistance R119 of 1500 ohm, and the other end of resistance R119 is connected to the pin 18 that described model is the chip U5 of SN74LVC245. The pin 3 of the chip U9 of the first serial port circuit 411 is connected with MCU circuit 414. The pin 1 of the chip U11 of the 2nd serial port circuit 412 is connected a diode D31, the other end of diode D31 is connected to one end that a resistance value is the resistance R91 of 1500 ohm, and the other end of resistance R91 is connected to the pin 2 that model is the chip U5 of SN74LVC245. The pin 4 of the chip U13 of the 2nd serial port circuit 412 resistance value of connecting is one end of resistance R116 of 1500 ohm, and the other end of resistance R116 is connected to the pin 17 that described model is the chip U5 of SN74LVC245. The pin 3 of the chip U13 of the 2nd serial port circuit 412 is connected with MCU circuit 414.
The work principle of the communication controller circuit that the utility model embodiment provides is as follows:
The pin 1 of the chip U5 of switch circuit 413 is connected with MCU circuit 414, controls the direction switching of A, B of chip U5 by MCU circuit 414, and when the pin 1 of chip U5 is high level, direction is A to B, and when the pin 1 of chip U5 is low level, direction is B to A.
The pin 19 of chip U5 is connected with MCU circuit 414, when pin 19 is low level, then and switch enable, the first serial port circuit 1 and the 2nd serial port circuit 2 directly communication, it does not have any time delay, MCU circuit 414 is responsible for monitoring data; When pin 19 is high level, then switch is not enable, the first serial port circuit 1 and the 2nd serial port circuit 2 can not directly communication, communication to be completed through MCU circuit 414 transfer.
The first situation: when chip U5 switch enable, during chip U5 direction A to B, MCU circuit 414 controls the pin 2 of chip U9, pin 3 is low level, first serial port circuit 411 is for sending data, the Lu Jingwei of signal is inputted by HMI module 100, through D26, D27 protects diode, and electric capacity C53, electric capacity C54, resistance R77, resistance R79, resistance R82, resistance R84 form anti-dry hold together filtering circuit, enter into pin 7 and the pin 6 of chip U9, again through the pin 1 of chip U9, pin 4, enter chip U5 pin 2, pin 3, again from chip U5 pin 17 through resistance R116, through chip U13 pin 4, the TTL level signal of receipts is converted to difference signal by the pin 6 of chip U13 by U13, pin 7 is through by resistance R111, resistance R115, resistance R107, resistance R108, diode C67, diode C65 form anti-dry hold together filtering circuit, again through overprotection diode D42, protection diode D43 delivers to PLC module 200 and exports.
2nd kind of situation: when chip U5 switch enable, during chip U5 direction B to A, MCU circuit 414 controls the pin 2 of chip U9, pin 3 is high level, first serial port circuit 411 is for receiving data, the Lu Jingwei of signal is inputted by PLC module 200, through overprotection diode D34, protection diode D45, again through by resistance R98, resistance R94, resistance R97, resistance R105, diode C58, diode C60 form anti-dry hold together filtering circuit, enter the pin 6 of chip U11, pin 7, by receiving, difference signal transfers TTL level to by the 1st pin of chip U11 through diode D31 to chip U11, resistance R91 exports to switch circuit 413 chip U5, again by chip U5, send U9 to, export by HMI module 100.
The third situation: when chip U5 switch is not enable, MCU circuit 414 controls the pin 2 of chip U9, pin 3 is low level, first serial port circuit 411 is for sending data, the Lu Jingwei of signal is inputted by HMI module 100, through D26, D27 protects diode, and electric capacity C53, electric capacity C54, resistance R77, resistance R79, resistance R82, resistance R84 form anti-dry hold together filtering circuit, enter into pin 7 and the pin 6 of chip U9, again through the pin 1 of chip U9, pin 4, enter MCU circuit 414, again from MCU circuit 414 through resistance R116, through chip U13 pin 4, the TTL level signal of receipts is converted to difference signal by the pin 6 of chip U13 by U13, pin 7 is through by resistance R111, resistance R115, resistance R107, resistance R108, diode C67, diode C65 form anti-dry hold together filtering circuit, again through overprotection diode D42, protection diode D43 delivers to PLC module 200 and exports.
4th kind of situation: when chip U5 switch is not enable, MCU circuit 414 controls the pin 2 of chip U9, pin 3 is high level, first serial port circuit 411 is for receiving data, the Lu Jingwei of signal is inputted by PLC module 200, through overprotection diode D34, protection diode D45, again through by resistance R98, resistance R94, resistance R97, resistance R105, diode C58, diode C60 form anti-dry hold together filtering circuit, enter the pin 6 of chip U11, pin 7, by receiving, difference signal transfers TTL level to by the 1st pin of chip U11 through diode D31 to chip U11, resistance R91 exports to MCU circuit 414, again by MCU circuit 414, send U9 to, export by HMI module 100.
One or more technical schemes that the utility model embodiment provides, have at least following technique effect:
1) client controls to open on the mobile phone of client 500 or PC remote client software and sets up with telecommunication control module 400 after network is connected in telecommunication, the data of telecommunication control module 400 can be got, or control telecommunication control module 400 sends instruction order, the action of control PLC module to PLC module 200.
2) telecommunication controller 4 one end is connected to PLC module 200, when telecommunication controller 4 sends instruction order to PLC module 200, it is possible to control PLC module 200 action.
3) telecommunication control module 400 other end is connected to HMI module 100, when telecommunication controller 4 transmits information to HMI module 100, it is possible to show on HMI module 100.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and these all changes and deformation all should belong within the protection domain of the utility model claim.
Claims (9)
1. a PLC long distance control system, it is characterised in that, comprising: for HMI module, the PLC module, relay, telecommunication control module and the telecommunication control client that control in real time for automation of the input of data, display;
Wherein said relay is connected to described PLC module, for external connection electrical apparatus equipment;
Described telecommunication control module one end is connected to PLC module, and the described telecommunication control module other end is connected to described HMI module, for the transfer managed between described PLC module and described HMI module;
Described telecommunication control client and described telecommunication control model calling, for obtaining the management data of described telecommunication control module.
2. PLC long distance control system according to claim 1, it is characterised in that, described telecommunication control module is by R485 or R422 cable and the two-way communication connection of described HMI module.
3. PLC long distance control system according to claim 1, it is characterised in that, described telecommunication control module is connected with described PLC module by RS232, R485 or R422 cable.
4. PLC long distance control system according to claim 1, it is characterised in that, described telecommunication control client is passed through cable network or wireless network and described telecommunication and is controlled model calling.
5. according to the PLC long distance control system one of claim 2-4 Suo Shu, it is characterized in that, described telecommunication control module comprises telecommunication controller circuitry, and described telecommunication controller circuitry comprises the first serial port circuit for receiving and dispatching data, for receiving and dispatching the 2nd serial port circuit of data, switch circuit, MCU circuit;
Described switch circuit is connected with described first serial port circuit, described 2nd serial port circuit, for data communication that is direct-connected or that turn off between described first serial port circuit and described 2nd serial port circuit;
Described MCU circuit is connected with described first serial port circuit, described 2nd serial port circuit and described switch circuit, for, together with described switch circuit, controlling the direct-connected or shutoff of data communication between described first serial port circuit and described 2nd serial port circuit.
6. PLC long distance control system according to claim 5, it is characterised in that, described first serial port circuit comprises chip U9, and described chip U9 adopts model to be the transceiver of SN65HVD82DR.
7. PLC long distance control system according to claim 6, it is characterised in that, described 2nd serial port circuit comprises chip U11 and chip U13, and described U11 and chip U13 all adopts model to be the transceiver of SN65HVD82DR.
8. PLC long distance control system according to claim 7, it is characterised in that, described switch circuit comprises chip U5, and the model of described chip U5 is SN74LVC245.
9. PLC long distance control system according to claim 8, it is characterized in that, the first pin serial connection diode D23 of described chip U9, one end of the other end contact resistance R64 of diode D23, the other end of resistance R64 is connected to the 3rd pin of chip U5;
One end of the 4th pin serial connection resistance R119 of described chip U9, the other end of resistance R119 is connected to the 18 pin of described chip U5;
The first pin serial connection diode D31 of described chip U11, the other end of diode D31 is connected to one end of resistance R91, and the other end of resistance R91 is connected to the 2nd pin of chip U5;
The pin 4 of described chip U13 is connected one end of resistance R116, and the other end of resistance R116 is connected to the 17 pin of described chip U5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620102513.8U CN205318206U (en) | 2016-01-30 | 2016-01-30 | PLC remote monitering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620102513.8U CN205318206U (en) | 2016-01-30 | 2016-01-30 | PLC remote monitering system |
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| CN205318206U true CN205318206U (en) | 2016-06-15 |
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| CN201620102513.8U Expired - Fee Related CN205318206U (en) | 2016-01-30 | 2016-01-30 | PLC remote monitering system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054800A (en) * | 2016-08-19 | 2016-10-26 | 北京紫荆捷控科技有限公司 | PLC remote monitoring system |
| CN107505359A (en) * | 2017-08-31 | 2017-12-22 | 沃博特生态农业科技有限公司 | Fertilizer slow release nutrient detection means and detecting system |
| CN111182031A (en) * | 2019-12-06 | 2020-05-19 | 深圳市显控科技股份有限公司 | PLC (programmable logic controller) equipment remote downloading method and system |
-
2016
- 2016-01-30 CN CN201620102513.8U patent/CN205318206U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054800A (en) * | 2016-08-19 | 2016-10-26 | 北京紫荆捷控科技有限公司 | PLC remote monitoring system |
| CN107505359A (en) * | 2017-08-31 | 2017-12-22 | 沃博特生态农业科技有限公司 | Fertilizer slow release nutrient detection means and detecting system |
| CN111182031A (en) * | 2019-12-06 | 2020-05-19 | 深圳市显控科技股份有限公司 | PLC (programmable logic controller) equipment remote downloading method and system |
| CN111182031B (en) * | 2019-12-06 | 2022-11-11 | 深圳市显控科技股份有限公司 | PLC (programmable logic controller) equipment remote downloading method and system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 |
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| CF01 | Termination of patent right due to non-payment of annual fee |