PRT PSA300R-81 FOXBORO

P0903ZQ FOXBORO
P0904BH FOXBORO
P0904FH FOXBORO
P0904HA FOXBORO
P0904HB FOXBORO
P0911QB FOXBORO
P0911QB-C FOXBORO
P0911QC-C FOXBORO
P0911QH-A FOXBORO 21

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描述

用手动开关暂时代替现场输入信号,以手动方式逐一对PLC输入端子进行检查、验证,PLC输入端子的指示灯点亮,表示正常;反之,应检查接线或者是I/O点坏。
我们可以编写一个小程序,在输出电源良好的情况下,检查所有PLC输出端子指示灯是否全亮。PLC输入端子的指示灯点亮,表示正常。反之,应检查接线或者是I/O点坏。
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