1756-L71 输出模块

135137 -01
1756-L 55M22
146031-01
1756-L55M12
1757-PLX52
1747-FC AB
1794-TBN
1756-IF6CIS
1756-IT6I

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描述

PLC与电气回路的接口,是通过输入输出部分(I/O)完成的。I/O模块集成了PLC的I/O电路,其输入暂存器反映输入信号状态,输出点反映输出锁存器状态。输入模块将电信号变换成数字信号进入PLC系统,输出模块相反。I/O分为开关量输入(DI),开关量输出(DO),模拟量输入(AI),模拟量输出(AO)等模块。

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