CN202395812U

CN202395812U - RS232 bus and CAN (controlled area network) bus protocol converter

Info

Publication number: CN202395812U
Application number: CN201120525890XU
Authority: CN
Inventors: 吴健; 谈学超; 张军刚
Original assignee: YANGZHOU COMMUNICATION EQUIPMENT CO Ltd
Current assignee: YANGZHOU COMMUNICATION EQUIPMENT CO Ltd
Priority date: 2011-12-15
Filing date: 2011-12-15
Publication date: 2012-08-22
Anticipated expiration: 2021-12-15

Abstract

The utility model provides an RS232 bus and CAN (controlled area network) bus protocol converter and relates to the technical field of CAN bus communication between equipment. One end of an RS232 and processor interface module is connected with RS232 interface equipment, the other end of the RS232 and processor interface module is connected with one end of a CAN bus and processor interface module by virtue of a processor module, the other end of the CAN bus and processor interface module is connected with CAN bus equipment; and an auxiliary power supply module is respectively connected with the RS232 and processor interface module, the processor module and the CAN bus and processor interface module. The RS232 bus and CAN bus protocol converter disclosed by the utility model has the advantages of use convenience, simple communication protocol and direct connection with a computer serial port and also has the advantages of convenience in networking, less wiring, low cost, high real-time processing capacity and reliable operation in a harsh environment with strong electromagnetic interference.

Description

RS232 bus and CAN bus protocol transducer

Technical field

The utility model relates to the CAN bus communication technical field of equipment room.

Background technology

Though it is easy to use that the RS232 network has, communication protocol is simple, can lack with its communication distance of advantage that the serial ports of computer system directly links to each other, reliability is not high, be used for point-to-point communication more, as if realizing that the group-net communication wiring is various.

The CAN bus has networking and makes things convenient for that wiring is few, cost is lower, higher processing capability in real time is arranged and the advantage of reliably working under abominable strong electromagnetic interference environment; So be widely used at vehicle electric field at present, but with respect to the RS232 bus its have can't directly directly link to each other with the computer system serial ports, the shortcoming of agreement relative complex.

Summary of the invention

The utility model purpose be propose a kind of easy to use, communication protocol simple, the RS232 bus and the CAN bus protocol transducer that can directly link to each other with serial ports of computers.

The utility model comprises accessory power supply module, RS232 and processor interface module, processor module and CAN bus and processor interface module; RS232 is connected with the RS232 interface equipment with processor interface module one end, and the other end is connected an end of CAN bus and processor interface module through processor module, and the CAN bus is connected the CAN bus apparatus with the other end of processor interface module; The accessory power supply module is connected with processor interface module with processor interface module, processor module, CAN bus with RS232 respectively.

RS232 bus and CAN bus advantage separately that the utility model is drawn are designed to, thus that it has possessed is easy to use, communication protocol simply, also possessed networking can be with advantage that serial ports of computers directly links to each other the time and make things convenient for that wiring is few, cost is lower, higher processing capability in real time arranged and the advantage of reliably working under abominable strong electromagnetic interference environment.It can also conveniently insert RS232 equipment in the CAN bus network and use.Replace the RS232 network with the CAN network, strengthen RS232 network service distance, the colliery telecommunication, CAN industrial automation communication system, RS232 equipment connects the conversion of CAN bus network communication.

Description of drawings

Fig. 1 is the operation principle block diagram of the utility model.

Embodiment

As shown in Figure 1, the utility model is provided with accessory power supply module 1, RS232 and processor interface module 2, processor module 3 and CAN bus and processor interface module 4.

RS232 is connected with RS232 interface equipment 5 with processor interface module 2 one ends, and the other end is connected an end of CAN bus and processor interface module 4 through processor module 3, and the CAN bus is connected CAN bus apparatus 6 with the other end of processor interface module 4.

Accessory power supply module 1 is connected with processor interface module 4 with processor interface module 2, processor module 3, CAN bus with RS232 respectively, for they provide power supply.

Claims

1.RS232 bus and CAN bus protocol transducer is characterized in that comprising accessory power supply module, RS232 and processor interface module, processor module and CAN bus and processor interface module; RS232 is connected with the RS232 interface equipment with processor interface module one end, and the other end is connected an end of CAN bus and processor interface module through processor module, and the CAN bus is connected the CAN bus apparatus with the other end of processor interface module; The accessory power supply module is connected with processor interface module with processor interface module, processor module, CAN bus with RS232 respectively.