摘要
本文介绍了西门子S7-400系列PLC的硬件功能及其使用方法,以及PLC在实际使用中的抗干扰措施和S7-400PLC在程序下装过程中遇到的问题及其处理方法。
This paper introduces Siemens s7-400 PLC hardware function and use methods, as well as in actual use of PLC anti-jamming measures and s7-400 PLC on procedures remove theatrical makeup and costume the problems in the course and its processing method.