DSQC205
DSQC205
DSQC205
由于现场环境条件恶劣、湿度高、以及各种工业电磁、辐射干扰等，会影响系统的正常工作,因此必须重视工程的抗干扰设计。
水厂应用中的PLC所受的干扰源主要有电源系统引入的干扰、接地系统引入的干扰和输入输出电路引入的干扰三类。如果PLC的干扰问题解决得不好，系统将无法可靠运行，将会影响到正常供水。因此，有必要对PLC应用系统中的干扰问题进行探讨。主要本文分别讨论PLC的三种抗干扰技术。
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