CI801 3BSE022366R1 ABB 元器件

A-B 1771-OFE2
Schneider 140CRA93200
A-B 1746-NO4I
GE IC200ALG264
A-B 1756-PA75/B
A-B 1756-DNB
A-B 1756-DNB
BAUMER UNDK30P3712/S14
A-B 1786-RPFM
A-B 1786-RPA
SLIMPAK G468-0001
FOXBORO IPM02/P0904HA
Bentley 330130-045-00-00
FOXBORO P0926GJ
A-B 1786-RPA
A-B 1756-PA72/C
FOXBORO P0926GJ
FOXBORO P0926GJ

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Description

由信号引入干扰会引起I/O信号工作异常和测量精度大大降低,严重时将引起元器件损伤。对于隔离性能差的系统,还将导致信号间互相干扰,引起共地系统总线回流,造成逻辑数据变化、误动和死机。PLC控制系统因信号引入干扰造成I/O模件损坏数相当严重,由此引起系统故障的情况也很多。

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