IC693CMM311S GE

SE200 0608830123 REXROTH
SL36 REXROTH
VT3000S34-R5 REXROTH
VT3006S34R5 RELIANCE
VT3006S35R1 RELIANCE
VT-VSPA1-1-11 RELIANCE
TV 3000HT PUMF RELIANCE
MSK030C-0900-NN-M1-UP1-NSNN RELIANCE
MSK060C-0600-NN-M1-UP1-NSNN RELIANCE
MSK050C-0600-NN-M1-UP1-NSNN RELIANCE
MSK070C-0150-NN-S1-UG0-NNNN RELIANCE
MSK070D-0450-NN-M1-UP1-NSNN RELIANCE
VDP40.2BIN-G4-PS-NN RELIANCE

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描述

在输入采样阶段,可编程逻辑控制器以扫描方式依次地读入所有输入状态和数据,并将它们存入I/O映象区中的相应的单元内。输入采样结束后,转入用户程序执行和输出刷新阶段。在这两个阶段中,即使输入状态和数据发生变化,I/O映象区中的相应单元的状态和数据也不会改变。因此,如果输入是脉冲信号,则该脉冲信号的宽度必须大于一个扫描周期,才能保证在任何情况下,该输入均能被读入。

 

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