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继电器优先变为OFF。锁存继电器指令编写必须按置位行（S端），复位行（R端）和KEEP继电器的顺序来编写。
JUNIPER NETSCREEN ISG 2000 +2* FE8 5VSYS 8/44/2000
One-day shipping available
Juniper J6300 Router 2x JX-1DS3 1x JX-2T1-TX
90 Day Warranty – Free Shipping!
Juniper PB-1GE-SFP 1-Port Gig Eth PIC M320 T320 Router
90 Day Warranty – Free Overnight Shipping!
Juniper NS-IDP-200 IDP 200 Appliance Firewall
*1 Year Warranty* We buy and sell new and used Juniper!
One-day shipping available
Juniper PB-1CHOC12SMIR-QPP PIC M40e M320 M640 T320 T640
90 Day Warranty – Free Overnight Shipping!
Juniper SSG-550M-SH SSG500 Secure Services Gateway 550M
Juniper M10BASE-AC-E 4xGE-SX RE-333-768 dual AC
JUNIPER NETWORKS PB-ML-128 PIC PBML128 NOB
NEW OPEN BOX 90 DAY WARRANTY
Juniper Ericsson GGSN-U Services PIC J20 P-GGSN-U
90 Day Hardware Warranty – Free Shipping!
Juniper PE-1GE-SFP-QPP SFP-1GE-TX PIC M7i M10i Router
