ET-125-RS422
¥888.00
EXICOM ET-125-RS422
¥888.00
E45FL
¥888.00
EDL COMAT E45FL
¥888.00
ELAU MC-4/11/03/400
¥888.00
960177-02
¥888.00
西门子 700-443-0TP01
PLC控制系统的抗干扰设计。随着工业自动化技术的日新月异的发展，晶闸管可控整流和变频调速装置使用日益广泛，这带来了交流电网的污染，也给控制系统带来了许多干扰问题，防干扰是PLC控制系统设计时必须考虑的问题。一般采用以下几种方式:
隔离:由于电网中的高频干扰主要是原副边绕组之间的分布电容耦合而成，所以建议采用1:1超隔离变压器，并将中性点经电容接地。
厦门岳航计算机工程有限公司
联系人：张芳
热线：0592-5087951+++手机：18030132582
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地址：厦门思明区湖滨东路湖光大厦8楼B
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