PFEA111/112 ABB

FOXBORO FBM216 P0917TN
FOXBORO FCM10E
FOXBORO P0926GV FBM231
FOXBORO FPS400-24
FOXBORO FBM242
FOXBORO FBM211
FOXBORO FBM216b

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Description

地电位差及空间电磁辐射在信号线上感应的共态(同方向)电压叠加所形成。共模电压通过不对称电路可转换成差模电压,直接影响测控信号,造成元器件损坏(这就是一些系统I/O模件损坏率较高的主要原因),这种共模干扰可为直流,亦可为交流。差模干扰是指作用于信号两极间的干扰电压


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