TZIDCV18345-1020121001 ABB

ABB M2AA090L2 05M09L02AS17901
ABB PFEA 112-20 3BSE030369R20
ABB 61320954
ABB GPFX 730 172 P1

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Description

通过变送器供电电源或共用信号仪表的供电电源串入的电网干扰,这往往被忽视;二是信号线受空间电磁辐射感应的干扰,即信号线上的外部感应干扰,这是很严重的。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。

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