MVME162-522A MOTOROLA 输入输出状态

MOTOROLA MVME162-522A 01-W3960B/61C
MOTOROLA CPCI-6020TM
MOTOROLA MVME162-210
MOTOROLA MVME2301-900
MOTOROLA MVME2604 712I/O
MOTOROLA MVME300
MOTOROLA MVME712/M
MOTOROLA 30-W2960B01A
MOTOROLA FAB 0340-1049
MOTOROLA MVME162-533A
MOTOROLA MVME162PA-344
MOTOROLA MVME172-263/260
MOTOROLA MVME188A
MOTOROLA TMCP700 W33378F
M-SYSTEM MD2202-D32-X-P
MTL 2213

Description

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,PLC从输入映象寄存器中读出上一阶段采入的对应输入端子状态,从输出映象寄存器读出对应映象寄存器的当前状态。根据用户程序进行逻辑运算,运算结果再存入有关器件寄存器中。

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