RTT20-T1SNQFD-L1 一手货源 国外直接进货

6SY7010-0AB43
6GK1105-2AB10
63-23-730-8
CACR-SR20BE12F
A06B-6110-H030
CIMR-F7U42P2

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描述

本指令使用的操作数有:01000~01915、20000~25515、HR0000~HR1915,其功能相当于锁存器,当置位端(S端)条件为ON时,KEEP继电器一直保持ON状态,即使S端条件变为OFF,KEEP继电器也还保持ON,,直到复位端(R端)条件为ON时,才使之变OFF,KEEP指令主要用于线圈的保持,即继电器的自锁电路可用KEEP指令实现。若SET端和RES端同时为ON,则KEEP继电器优先变

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