摘要
介绍循环水SIEMENS PLC系统通讯存在的问题。从电源信号隔离、系统接地、电磁干扰屏蔽、仪表接口等多方面分析故障原因,并采取相应措施,解决了长期困扰安全生产的隐患。
This paper presented the communication problems of SIEMENS PLC system for circulating water system and solutions thereof from aspects of power signal isolation,system grounding,electromagnetic interference shielding and instrumentation interfaces,which troubled the safety production for long time.
出处
《大氮肥》
CAS
2017年第1期58-61,共4页
Large Scale Nitrogenous Fertilizer Industry
关键词
PLC
电动阀
接地
电源隔离
安全栅隔离
屏蔽
PLC
motor operated valve
grounding
power isolation
safety barrier
shield
