CN210431455U

CN210431455U - Coupler module based on Profinet bus

Info

Publication number: CN210431455U
Application number: CN201920894862.1U
Authority: CN
Inventors: 罗宏
Original assignee: Shenzhen Keweiyuan Automation Technology Co ltd
Current assignee: Shenzhen Keweiyuan Automation Technology Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-28
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a based on Profinet bus coupler module, including Profinet return circuit, communication control mechanism return circuit and AU7 bus controller return circuit, the two-way electric connection in Profinet return circuit and communication control mechanism return circuit, the two-way electric connection in communication control mechanism return circuit and AU7 bus controller return circuit, the Profinet return circuit includes slave station protocol controller, network transformer and Profinet network interface, the output of Profinet network interface and the input electric connection of network transformer, the output and the slave station protocol controller of network transformer, the communication control mechanism return circuit includes external memory and communication management mechanism controller, the output of external memory and the input electric connection of communication management mechanism controller. The utility model discloses a set up Profinet return circuit, communication control mechanism return circuit and AU7 bus controller return circuit, solved current technique AU7 bus and Profinet bus and can not directly carry out intercommunications, influence the problem of industrial automation system's constitution.

Description

Coupler module based on Profinet bus

Technical Field

The utility model relates to an industrial automation programmable controller technical field specifically is a based on Profinet bus coupler module.

Background

The IO capacity (the number of digital input channels, the number of output channels, the number of analog input channels and the number of output channels) required by a plurality of occasions on industrial application sites is larger, the distribution distance is required to be longer, the cost of a Profinet slave station module is higher, and an AU7 bus is a bus technology for expanding an IO module designed by the European technology limited company and has a large amount of applications in the automation industry.

However, the existing Profinet bus and AU7 bus are not compatible in terms of physical interface or communication protocol, so when the Profinet bus and AU7 bus exist in an automation system at the same time, direct communication cannot be performed, and a coupler needs to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a based on Profinet bus coupler module has solved current technique AU7 bus and Profinet bus and can not directly carry out intercommunications, influences the problem of industrial automation system's constitution.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a Profinet-based bus coupler module comprising a Profinet loop, a communication control mechanism loop and an AU7 bus controller loop, the Profinet loop and the communication control mechanism loop being bidirectionally electrically connected, the communication control mechanism loop and the AU7 bus controller loop being bidirectionally electrically connected, the Profinet loop comprising a slave protocol controller, a network transformer and a Profinet network interface, the output of the Profinet network interface being electrically connected to the input of the network transformer, the output of the network transformer being electrically connected to the slave protocol controller, the communication control mechanism loop comprising an external memory and a communication management mechanism controller, the output of the external memory being electrically connected to the input of the communication management mechanism controller, the AU7 bus controller loop comprising the output of the AU7 bus interface being electrically connected to the input of an AU7 bus transceiver, the output of the AU7 bus transceiver being electrically connected to the input of the AU7 bus controller, the communication management mechanism controller is electrically connected with the slave station protocol controller and the AU7 bus controller respectively.

Preferably, the AU7 bus interface can be a module for expanding IO capability.

Preferably, the Profinet network interface adopts an RJ45 port.

Preferably, the slave protocol controller and the communication management mechanism controller are connected through a bus, and the communication management mechanism controller and the AU7 bus controller are connected through an SPI bus.

Preferably, the AU7 bus controller loop further includes a digital quantity input/output module, and the output end of the AU7 bus controller is electrically connected to the input end of the digital quantity input/output module.

(III) advantageous effects

The utility model provides a based on Profinet bus coupler module possesses following beneficial effect:

the utility model discloses a set up Profinet return circuit, communication control mechanism return circuit and AU7 bus controller return circuit, three return circuit constitutes a coupler jointly, will pass through the module that the coupler is connected to on the AU7 bus with Profinet main website equipment, realizes intercommunication between them, when having solved industrial field system and need Profinet bus and AU7 bus simultaneously, the two can't directly carry out intercommunication's problem.

Drawings

FIG. 1 is a view of the overall structure of the present invention;

FIG. 2 is an internal connection diagram of the present invention;

fig. 3 is a connection diagram of the present invention with Profinet and AU7 buses.

The reference numbers in the figures are: 1. a Profinet loop; 2. a communication control mechanism loop; 3. AU7 bus controller loop; 4. a slave station protocol controller; 5. a network transformer; 6. a Profinet network interface; 7. an external memory; 8. a communication management mechanism controller; 9. AU7 bus interface; 10. an AU7 bus transceiver; 11. AU7 bus controller; 12. and the digital quantity input and output module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a Profinet-based bus coupler module comprises a Profinet loop 1, a communication control mechanism loop 2 and an AU7 bus controller loop 3, the Profinet loop 1 and the communication control mechanism loop 2 are electrically connected in a bidirectional manner, the communication control mechanism loop 2 and the AU7 bus controller loop 3 are electrically connected in a bidirectional manner, the Profinet loop 1 comprises a slave station protocol controller 4, a network transformer 5 and a Profinet network interface 6, an output end of the Profinet network interface 6 is electrically connected with an input end of the network transformer 5, an output end of the network transformer 5 is electrically connected with the slave station protocol controller 4, the communication control mechanism loop 2 comprises an external memory 7 and a communication management mechanism controller 8, an output end of the external memory 7 is electrically connected with an input end of the communication management mechanism controller 8, the AU7 bus controller loop 3 comprises an output end of an AU7 bus interface 9 and an input end of an AU7 bus transceiver 10, the output end of the AU7 bus transceiver 10 is electrically connected with the input end of the AU7 bus controller 11, the communication management mechanism controller 8 is electrically connected with the slave station protocol controller 4 and the AU7 bus controller 11 respectively, the AU7 bus interface 9 can be a module for expanding IO capability, the Profinet network interface 6 adopts an RJ45 port, the slave station protocol controller 4 is connected with the communication management mechanism controller 8 through a bus, the communication management mechanism controller 8 is connected with the AU7 bus controller 11 through an SPI bus, the AU7 bus controller 11 loop further comprises a digital quantity input and output module 12, and the output end of the AU7 bus controller 11 is electrically connected with the input end of the digital quantity input and output module 12.

Working principle; when in use, the slave protocol controller 4, the network transformer 5 and the Profinet network interface 6 jointly form a Profinet loop 1, the external memory 7 and the communication management mechanism controller 8 jointly form a communication control mechanism loop 2, the AU7 bus interface 9, the AU7 bus transceiver 10, the AU7 bus controller 11 and the digital quantity input and output module 12 jointly form an AU7 bus controller loop 3, the Profinet network interface 6 in the Profinet loop 1 is connected with a Profinet master station, then the Profinet network interface 6, the network transformer 5 and the slave protocol controller 4 are sequentially connected, the slave protocol controller 4 and the communication management mechanism controller 8 in the communication control mechanism loop 2 are bidirectionally connected through a bus, the output end of the external memory 7 is connected with the input end of the communication management mechanism controller 8, the communication management mechanism controller 8 and the AU7 bus controller 11 in the AU7 bus controller loop 3 are bidirectionally connected through an SPI bus, AU7 bus interface 9 in AU7 bus controller loop 3 is connected with AU7 bus module, AU7 bus interface 9, AU7 bus transceiver 10, AU7 bus controller 11, AU7 bus controller 11 are connected in turn, Profinet master station and AU7 bus module are connected respectively through Profinet network interface 6 and AU7 bus interface 9 of coupler, and mutual communication between the Profinet master station and AU7 bus module is realized.

To sum up, the utility model discloses a setting Profinet return circuit 1, communication control mechanism return circuit 2 and AU7 bus controller return circuit 3, solved current technique AU7 bus and Profinet bus and can not directly carry out intercommunication, influence the problem of industrial automation system's construction.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Profinet-based bus coupler module comprising a Profinet loop (1), a communication control mechanism loop (2) and an AU7 bus controller loop (3), characterized in that: the Profinet loop (1) and the communication control mechanism loop (2) are electrically connected in both directions, the communication control mechanism loop (2) and the AU7 bus controller loop (3) are electrically connected in both directions, the Profinet loop (1) comprises a slave station protocol controller (4), a network transformer (5) and a Profinet network interface (6), an output of the Profinet network interface (6) is electrically connected with an input of the network transformer (5), an output of the network transformer (5) is electrically connected with the slave station protocol controller (4), the communication control mechanism loop (2) comprises an external memory (7) and a communication management mechanism controller (8), an output of the external memory (7) is electrically connected with an input of the communication management mechanism controller (8), the AU7 bus controller loop (3) comprises an output of an AU7 bus interface (9) and an input of an AU7 bus transceiver (10), the output end of the AU7 bus transceiver (10) is electrically connected with the input end of the AU7 bus controller (11), and the communication management mechanism controller (8) is respectively electrically connected with the slave station protocol controller (4) and the AU7 bus controller (11).

2. A Profinet-based bus coupler module according to claim 1, characterized in that: the AU7 bus interface (9) can expand IO capability modules.

3. A Profinet-based bus coupler module according to claim 1, characterized in that: the Profinet network interface (6) adopts an RJ45 port.

4. A Profinet-based bus coupler module according to claim 1, characterized in that: the slave station protocol controller (4) and the communication management mechanism controller (8) are connected through a bus, and the communication management mechanism controller (8) and the AU7 bus controller (11) are connected through an SPI bus.

5. A Profinet-based bus coupler module according to claim 1, characterized in that: the AU7 bus controller (11) loop further comprises a digital quantity input and output module (12), and the output end of the AU7 bus controller (11) is electrically connected with the input end of the digital quantity input and output module (12).