1756-OF4 A-B

SCHNEIDER 140CRA93100
A-B 1756-OF4
FOXBORO P0904HA
WESTINGHOUSE 1C31224G01
PORTESCAP 57M300B5A
HONEYWELL CC-TCNT01
AB 1756-OF8

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Description

首先应察看输出设备是否响应LED状态指示器。若输出触点通电,模块指示器变亮,输出设备不响应。那么,首先应检查保险丝或替换模块。若保险丝完好,替换的模块未能解决问题,则应检查现场接线。若根据编程设备监视器显示一个输出器被命令接通,但指示器关闭

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