MVME162-012 MOTOROLA 输入端子

MOTOROLA MVME162-012
MOTOROLA MVME162-012
MOTOROLA MVME162-023A
MOTOROLA MVME162-10
MOTOROLA MVME162-13
MOTOROLA MVME162-512
MOTOROLA MVME162-512A
MOTOROLA MVME162-512A
MOTOROLA MVME162-522A
MOTOROLA MVME162-522A 01-W3960B/61C
MOTOROLA CPCI-6020TM
MOTOROLA MVME162-210
MOTOROLA MVME2301-900
MOTOROLA MVME2604 712I/O
MOTOROLA MVME300
MOTOROLA MVME712/M

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Description

输入处理输入处理也叫输入采样。在此阶段顺序读入所有输入端子的通断状态,并将读入的信息存入内存中所对应的映象寄存器。在此输入映象寄存器被刷新,接着进入程序的执行阶段。程序执行根据PLC梯形图程序扫描原则,按先左后右,先上后下的步序,逐句扫描,执行程序。但遇到程序跳转指令,则根据跳转条件是否满足来决定程序的跳转地址。若用户程序涉及到输入输出状态时,

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