3500/05-01-02-00-00-00 BENTLY

BENTLY 3500/05-01-01-00-00-00
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BENTLY 3500/61 133819-02
BENTLY 3500/53-01-00
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Description

无论是输入还是输出装置,当传感器有信号或执行机构的驱动装置得电后,必须同时检查PLC上的I/O模块指示灯是否也点亮。很多设备中,输入输出信号是通过接线端子与PLC连接,有时接线端子的指示灯有信号,但不能保证由于连接导线内部断路,而PLC上相应的地址没有信号接通。这一点要特别注意。

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