IS2020RKPSG2A GE 输入映像寄存器

36C774524AAG39 6PL CABLE “DC GX”
36C774524AAG41 8PL CABLE “X”
36C774524AAG43 1OPL CABLE “DC GX”
36C774524AAG44 8PL CABLE “DC
36C774524AAG45 4PL CABLE “DC DX”
36C774524AAG46 6PL CABLE “DC DX”
36C774524AAG47 IOPL DC DX
36C774524AAG48 1PL RIBBON CABLE
36C774524AAG49 4PL RIBBON CABLE
36C774524AAG50 BDCPL CABLE AC PX

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描述

在输入处理阶段,PLC把所有外部输入电路的接通,断开状态读入输入映像寄存器。外部输入电路接通时,对应的输入映像寄存器为l状态,梯形图中对应的输入继电器的常开触点接通,常闭触点断开。外部输入触点电路断开时,对应的输入映像寄存器为0状态,梯形图中对应的输入继电器的常开触点断开,常闭触点接通。

某一编程元件对应的映像寄存器为l状态时,称该编程元件为ON,映像寄存器为0状态时,称该编程元件为OFF。

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