摘要
本文介绍了西门子S7—200小型PLC在锻造轮毂自动化生产线中一台轮毂中转机构上的应用,论述了如何实现S7-400与S7—200的EM277模块之间的Profibus-dp通讯链接。
This article introduces the application of Siemens S7-200 PLCin the Wheel Transfer Machine, which is used in the automatic forging wheel production line. Also this paper describes how to set up the Profibus-dp communication between S7-400 and S7-200 EM277.
