P0900DB FOXBORO PLC输出 _ 山西润盛自动化

P0900DB FOXBORO PLC输出

P0900ES – FOXBORO
P0900ET – FOXBORO
P0900EW – FOXBORO
P0900EX – FOXBORO
P0900EY – FOXBORO
P0900EZ – FOXBORO
P0900FA – FOXBORO
P0900FB – FOXBORO
P0900FC – FOXBORO
P0900FD – FOXBORO
P0900FE – FOXBORO
P0900FG – FOXBORO
P0900FH – FOXBORO

Description

就利用万用表一只表笔，一头接对应的输出公共端子，另一头接触所对应的PLC输出点，这时电磁阀等仍不动作，说明输出线路出故障。如果这时电磁阀动作，那么问题在PLC输出点上。由于电笔有时会虚报，可用另一种方法分析，用万用表电压档量PLC输出点与公共端的电压，电压为零或接近零

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