IC670ALG230 以诚为本 用心服务

JW3250F250A-250-690VAC
6ES7133-1BL11-0XB0
P0922AE
MDFKABS090-22
DEIFFAS-113DG
6ES7315-6FF04-0AB0
A02B-0120-C066#TAR
MPC240
AKM32C-ANCNR-00
IC698CPE010-JQ
EMERSON24263-00

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描述

这两条指令不带操作数,IL指令为互锁条件,形成分支电路,即新母线以便与LD指令连用,表示互锁程序段的开始;ILC指令表示互锁程序段结束。

互锁指令IL和互锁清除指令ILC用来在梯形图的分支处形成新的母线,使某一部分梯形图受到某些条件的控制。IL和ILC指令应当成对配合使用,否则出错。IL/ILC指令的功能是:如果控制IL的条件成立(即ON),则执行互锁指令。若控制IL的条件不成立(即OFF),则IL与ILC之间的互锁程序段不执行,即位于IL/ILC之间的所有继电器均为OFF,此时所有定时器将复位,但所有的计数器,移位寄存器及保持继电器均保持当前值。

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