DS200TCCBF1ACA 特殊辅助继电器

GESMEM-12D
1756-ENBT
PXI-8186
MTR-3F-215
ASSY 204-77157
MPL-A320P-HJ72AA
MK292
PXI-8186
FI830F
6ES7416-3ES06-0AB0
RON255 18000

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描述

特殊辅助继电器共256点,它们用来表示PLC的某些状态,提供时钟脉冲和标志(如进位、借位标志),设定PLC的运行方式,或者用于步进顺控、禁止中断、设定计数器是加计数还是减计数等。特殊辅助继电器分为两类:

由PLC的系统程序来驱动触点利用型特殊辅助继电器的线圈,在用户程序中直接使用M8000(运行监视):当PLC执行用户程序时,M8000为ON;停止执行时,M8000为OFF

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