CN207601609U - A kind of system that multiple devices are linked to be to transfer matic - Google Patents

Abstract

The utility model discloses a kind of systems that multiple devices are linked to be to transfer matic, including main frame PLC, host power supply module, more slave PLC and with the corresponding slave power modules of each slave PLC, further include the PLC expansion modules that are connect with the main frame PLC and with the corresponding relay group of the slave PLC quantity；Wherein, each relay group includes the output signal of the PLC expansion modules is transmitted to the first relay of corresponding slave PLC and the output signal of slave PLC is transmitted to the second relay of the PLC expansion modules.The utility model can effectively improve automation degree of equipment, improves device efficiency and reduce operating personnel, it is not required to carry out Single PLC control system big transformation, it does not need to upgrading PLC and connects control line again, improvement expenses are few, and it is huge and the problem of can cause significant wastage to avoid traditional technology transformation and upgrade investment.

Description

A kind of system that multiple devices are linked to be to transfer matic

Technical field

The utility model is related to automatic assembly line technical field, more specifically, it relates to which a kind of be linked to be multiple devices The system of transfer matic.

Background technology

The automation equipment of more PLC independent controls needs several operations, and the degree of automation is low, and productivity is low, will The automation equipment of more PLC independent controls is linked to be whole transfer matic, needs to be transformed original electrical control system Upgrading, cancels original independent control system and is integrated into a set of whole control system again, i.e., by original more PLC independences Control makes unification into and is controlled by a PLC, and all equipment is controlled using a PLC, so must upgrade existing PLC, extends Its input and output number reconnects control circuit and PLC program, and investment is huge, simultaneously because original control system is not Significant wastage can be caused by reusing.

Utility model content

The purpose of this utility model is that huge there are transformation and upgrade investment for the prior art and can cause significant wastage The technical issues of, a kind of system that multiple devices are linked to be to transfer matic is provided.

The technical solution of the utility model is such：A kind of system that multiple devices are linked to be to transfer matic, including host PLC, host power supply module, more slave PLC and with the corresponding slave power modules of each slave PLC, further include with it is described Main frame PLC connection PLC expansion modules and with the corresponding relay group of the slave PLC quantity；Wherein, each relay group Including the output signal of the PLC expansion modules to be transmitted to the first relay of corresponding slave PLC and by the defeated of slave PLC Go out the second relay that signal is transmitted to the PLC expansion modules.

As a further improvement, the first of the expansion module output port of the PLC expansion modules, the first relay after Electric apparatus coil and host power supply block coupled in series formation host output signal circuit, the slave PLC input ports of the slave PLC, The first relay normally open contact and slave power module of first relay connect to form slave input signal circuit.

Further, the second relay normally open of the expansion module input port of the PLC expansion modules, the second relay Contact and host power supply block coupled in series form host input signal circuit, the slave PLC output ports of the slave PLC, second The second relay coil and slave power module of relay connect to form slave output signal circuit.

Further, the main frame PLC, PLC expansion modules, host power supply module and the first relay are installed on host In electric cabinet, the slave PLC, slave power module and the second relay are installed on out of unit for electromechanical cabinet.

Further, the host power supply module and slave power module are DC power supplier.

Advantageous effect

The utility model compared with prior art, has the following advantages：

1st, the system of the utility model is led by increasing PLC expansion modules and relay group corresponding with slave PLC Machine PLC and more slave plc communications realize management and control of the main frame PLC to slave PLC, and realize multiple devices line control System is not required to carry out Single PLC control system big transformation, does not need to upgrading PLC and connects control line again, and improvement expenses are few, It is huge and the problem of significant wastage can be caused to avoid traditional technology transformation and upgrade investment；

2nd, input/output end port is carried out by the first relay, the second relay between slave PLC and PLC expansion modules Communication connection, signal of communication is stable, strong interference immunity, and can be with telecommunication；

3rd, input/output end port communication connections are simple, at low cost, convenient for later maintenance；

4th, main frame PLC connects more slave PLC and can effectively improve automation degree of equipment, improves device efficiency and reduce behaviour Make personnel.

Description of the drawings

Fig. 1 is the block diagram of the utility model；

Fig. 2 is the first relay wiring figure in the utility model；

Fig. 3 is the second relay wiring figure in the utility model；

Fig. 4 is main frame PLC in main unit for electromechanical cabinet in the utility model and the wiring diagram of separate unit slave plc communication；

Fig. 5 is the wiring diagram that slave PLC communicates with main frame PLC out of unit for electromechanical cabinet in the utility model；

Fig. 6 is main frame PLC and the ladder diagram of separate unit slave plc communication in the utility model；

Fig. 7 is the ladder diagram that slave PLC communicates with main frame PLC in the utility model.

Wherein：1- main frame PLCs, 2- slave PLC, 3-PLC expansion module, 4- host power supplies module, 5- hosts home switch, 6- slaves power module, 7- slaves home switch, the first relays of 8-, the second relays of 9-, 21- slave PLC output ports, 22- slave PLC input ports, 31- expansion modules output port, 32- expansion modules input port, the first relay coils of 81-, The first relay normally open contacts of 82-, the second relay coils of 91-, the second relay normally open contacts of 92-.

Specific embodiment

Specific embodiment in below in conjunction with the accompanying drawings is described further the utility model.

Refering to Fig. 1-3, a kind of system that multiple devices are linked to be to transfer matic, including main frame PLC 1, host power supply module 4, More slave PLC2 and with the corresponding slave power modules 6 of each slave PLC2, further include the PLC that is connect with main frame PLC 1 and expand Open up module 3 and with the corresponding relay group of slave PLC2 quantity；Wherein, each relay group is included PLC expansion modules 3 Output signal is transmitted to the first relay 8 of corresponding slave PLC2 and the output signal of slave PLC2 is transmitted to PLC extensions Second relay 9 of module 3, PLC expansion modules 3 share host power supply module 4 with main frame PLC 1；Main frame PLC 1 is expanded by PLC It opens up module 3 and exports control signal to the first relay 8, the first relay 8 will control signal to be transmitted to corresponding slave PLC2, should Slave PLC2 exports feedback signal to the second relay 9, and feedback signal is transmitted to PLC expansion modules 3 by the second relay 9, from And realize the communication between main frame PLC 1 and slave PLC2；Between slave PLC2 and PLC expansion module 3 by the first relay 8, Second relay 9 carries out input/output end port communication connection, and signal of communication is stable, strong interference immunity, and can lead at a distance Letter, since the power module that main frame PLC 1 and slave PLC2 are used is inconsistent, power phase is inconsistent, thus slave PLC2 with The conversion by the first relay 8, the second relay 9 realization input/output signal, main frame PLC 1 are needed between PLC expansion modules 3 It connects more slave PLC2 and can effectively improve automation degree of equipment, improve device efficiency and reduce operating personnel；In addition, this reality With novel system main frame PLC 1 and more are carried out by increasing PLC expansion modules 3 and relay group corresponding with slave PLC2 Slave PLC2 communicates, and realizes management and control of the main frame PLC 1 to slave PLC2, and realizes that multiple devices line controls, and is not required to pair Single PLC control system carries out big transformation, does not need to upgrading PLC and connects control line again, improvement expenses are few, avoid tradition Technological transformation upgrading investment is huge and the problem of can cause significant wastage.

The first relay coil 81 and host of the expansion module output port 31 of PLC expansion modules 3, the first relay 8 The series connection of power module 4 forms host output signal circuit, the slave PLC input ports 22 of slave PLC2, the first relay 8 the One relay normally open contact 82 and the series connection of slave power module 6 form slave input signal circuit；The extension of PLC expansion modules 3 It is defeated that module input mouth 32, the second relay normally open contact 92 of the second relay 9 and the series connection of host power supply module 4 form host Enter signal circuit, the slave PLC output ports 21 of slave PLC2, the second relay coil 91 of the second relay 9 and from electromechanics The series connection of source module 6 forms slave output signal circuit, and input/output end port communication connections are simple, at low cost, convenient for the later stage It safeguards.

Refering to Fig. 4-7, KA1 represents the second relay 9, and KA2 represents the first relay 8, and Q20.0 represents slave PLC2 to master Machine PLC1 allows photos and sending messages, and Q30.0 represents that main frame PLC 1 starts to signal to slave PLC2, and Q40.0 represents that slave PLC2 is automatic Start to process, I0.0 represents the input port that main frame PLC 1 communicates with corresponding slave PLC2, and I0.1 represents the original position of main frame PLC 1 Signal, I10.0 represent the input port that slave PLC2 communicates with main frame PLC 1, and I10.1 represents the permission automatic signal of slave PLC2, I10.2 represents the signals in situ of slave PLC2.

Main frame PLC 1, PLC expansion modules 3,4 and first relay 8 of host power supply module are installed in main unit for electromechanical cabinet, slave PLC2,6 and second relay 9 of slave power module are installed on out of unit for electromechanical cabinet, in the present embodiment, are installed on host equipment Host equipment home switch 5 connect with main frame PLC 1, be installed on slave devices home switch 7 on slave devices with it is corresponding Slave PLC2 connections, are convenient to arrange the position of each slave devices, and main frame PLC 1 and slave PLC2 are same model or different shaped Number PLC, host power supply module 8 and slave power module 9 are DC power supplier, and the output voltage of DC power supplier is 24V。

The application method of the system of the utility model has step in detail below：

(1) slave devices home switch 7 acts to slave PLC2 and sends slave devices signals in situ；

(2) after slave PLC2 receives slave devices signals in situ, slave PLC2 is sent out by the second relay 9 to main frame PLC 1 Send slave devices signals in situ；

(3) after main frame PLC 1 receives slave devices signals in situ, main frame PLC 1 is by the first relay 8 to corresponding slave PLC2 sends starting device signal.

Above-described is only the preferred embodiment of the utility model, it should be pointed out that those skilled in the art is come It says, under the premise of the utility model structure is not departed from, several modifications and improvements can also be made, these all do not interfere with this reality With the effect and practical applicability of novel implementation.

Claims (5)

1. a kind of system that multiple devices are linked to be to transfer matic, including main frame PLC (1), host power supply module (4), more slaves PLC (2) and with the corresponding slave power module (6) of each slave PLC (2), it is characterised in that：It further includes and the host The PLC expansion modules (3) of PLC (1) connections and with the corresponding relay group of slave PLC (2) quantity；Wherein, Mei Yiji Electric appliance group include by the output signal of the PLC expansion modules (3) be transmitted to corresponding slave PLC (2) the first relay (8) and The output signal of slave PLC (2) is transmitted to the second relay (9) of the PLC expansion modules (3).

2. a kind of system that multiple devices are linked to be to transfer matic according to claim 1, it is characterised in that：The PLC expands Open up expansion module output port (31), the first relay coil (81) of the first relay (8) and the host power supply mould of module (3) Block (4) series connection forms host output signal circuit, slave PLC input ports (22), the first relay of the slave PLC (2) (8) the first relay normally open contact (82) and slave power module (6) series connection forms slave input signal circuit.

3. a kind of system that multiple devices are linked to be to transfer matic according to claim 1, it is characterised in that：The PLC expands Open up the expansion module input port (32) of module (3), the second relay normally open contact (92) of the second relay (9) and host electricity Source module (4) series connection forms host input signal circuit, the slave PLC output ports (21) of the slave PLC (2), second after The second relay coil (91) and slave power module (6) series connection of electric appliance (9) form slave output signal circuit.

4. a kind of system that multiple devices are linked to be to transfer matic according to claim 1, it is characterised in that：The host PLC (1), PLC expansion modules (3), host power supply module (4) and the first relay (8) are installed in main unit for electromechanical cabinet, it is described from Machine PLC (2), slave power module (6) and the second relay (9) are installed on out of unit for electromechanical cabinet.

5. a kind of system that multiple devices are linked to be to transfer matic according to any one of claims 1 to 4, feature exist In：The host power supply module (4) and slave power module (6) is DC power supplier.