2012•Shanxi MetallurgyRequires access

Ethernet Communication between S7-300 PLC and S7-400H Redundant PLC

YanHong Dong

Abstract

Combining with Siemens S7 series PLC in the actual application for the dry quenching control system of Qianan Zhonghua Coal Chemical Co.,Ltd.,to introduce the communication between S7 300 PLC and 400H series PLC in the industrial Ethernet network,explain types of PLC networking,specific configuration of Ethernet configuration,detailed methods of reading data from PCS7 system and writing data to PCS7 system,and realize the purpose of saving cable,reducing construction load and maintaining workload.

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Key concepts: Siemens, Industrial Ethernet, Ethernet, Embedded system, Computer science, Engineering, Computer network, Electrical engineering