PLC and CAN Bus Communication Based on the Modbus Communication Protocol
SUN Jin
CAO Xiaowei
DING Jing
LIU Jun
Abstract：In order to improve the real‐time monitoring and control of the upper computer ,the commu‐nication is realized by PLC and CAN bus based on Modbus communication protocol .According to the moni‐toring interface of signal acquisition module ,the update rate of the information and the control effect of the upper computer to the output port module are realized .The communication protocol of Modbus and PLC is implemented in time ,which is based on CAN communication protocol .According to the experimental re‐sults ,the PLC and CAN bus communication are verified in time ,stability and efficiency .
Keywords：PLCCAN buscommunication
Publication Date：2016-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 77-80 )