Thermocouple,SensytempTE-TypKT1,M-no.296855/06 ABB

ABB PFVK128
ABB SACE SpA 80.3CS S/N589/09/2
ABB T8V 3000 UL PR331/P LSI In=3000A 4p F VR
ABB Q-0621-A, SW-190148
ABB 264DS.F.S.S.A.2.A.1.V1.B1.C1.P1.H1

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Description

首先应检查PLC输入开关电接触点是否可靠(一般可通过查看输入LED指示灯或直接测量输入端),若输入信号未能传到PLC,则应去检查输入对应的外部回路;若输入信号已经采集到,则再看PLC是否有相应输出指示,若没有,则是内部程序问题或输出LED指示灯问题

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