1734-AENT A-B I/O模块

A-B 1769-OF8V
A-B 2711P-T12C4A8
A-B 1734-IB8
A-B 1769-PA4
A-B 1734-IE2V
A-B 1734-IE2C
A-B 1734-OB8
A-B 1734-IR2
A-B 1734-OE2C
A-B 1734-OE2V
A-B 1756-PA75/B
A-B 1766-L32BWAA
A-B 2711P-RN6
A-B 1756-PB72
A-B 1794-IE12
A-B 1756-CN2R
A-B 1756-N2

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描述

输出设备截止,输出端间电压达到某一预定值,就表明现场连线有误。若输出器受激励,且LED指示器不亮,则应替换模块。如果不能从I/O模块中查出问题,则应检查模块接插件是否接触不良或未对准。最后,检查接插件端子有无断线,模块端子上有无虚焊点。

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