EL100T ETHERWAN

A-B 1791DS-IB12
A-B 1756-DNB
A-B 1756-A17
SCHNEIDER 140DDI84100
ETHERWAN EL100T
YASKAWA PG-B3

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Description

PLC按梯形图程序顺序自上而下、从左至右逐个扫描执行,即按助记符指令表的先后顺序执行。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跳转地址。程序执行过程中,PLC从输入映像区中取出输入变量的当前状态,然后进行由程序确定的逻辑运算或其他运算


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