西门子S7-200PLC与丹佛斯变频器基于Modbus RTU协议的通讯实现  

Communication Achievement of Siemens S7-200PLC and Danfoss Frequency Convertor Based on Modbus RTU Protocol

作　　者：姚旭东[1] 李岩[1] Yao Xudong;Li Yan(Shenyang Ligong University,Shenyang 110000,China)

机构地区：[1]沈阳理工大学,辽宁沈阳110000

出　　处：《防爆电机》2024年第6期9-13,共5页Explosion-proof Electric Machine

摘　　要：基于2D-90MG实验型空压机的控制系统,使用西门子S7-200PLC,采用Modbus RTU(RS485)通讯协议,与丹佛斯FC302变频器建立通讯,完成对变频器的控制,从而实现对空压机的控制。Based on the control system of 2D-90MG experimental air compressor,Siemens S7-200PLC and Modbus RTU(RS485)communication protocol were used to establish communication with Danfoss FC302 frequency converter,and complete the control of the frequency converter,thus realize the control of the air compressor.

关 键 词：西门子S7-200PLC 丹佛斯FC302变频器 Modbus RTU(RS485)协议 

分 类 号：TM301.3[电气工程—电机]