PLC系统中感性负载干扰和IO数字量部分的干扰

PLC系统中感性负载(继电器线圈)EMC问题处理和预防


PLC数字量输入部分的IO线如何预防和处理电磁干扰问题?

 1 PLC系统中骚扰源,哪些是敏感设备,数字量的输出(继电器等感情负载)设备
2  除了PLC本身外,其IO部分,显示屏部分也都可能成为敏感设备。
3  所有的线路部分有可能成为耦合路径。

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