Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual page 18

Term
System B
System switching
Tracking cable
Transient transmission group number
UINI
WRITE
ZNRD
ZNWR
16
Description
A system that is set as system B to distinguish two systems, which are connected with two tracking
cables. When the two systems start up at the same time, this system will be a standby system. System
switching does not affect the system A/B setting.
A function which switches the systems between the control system and the standby system to continue
operation of the redundant system when a failure or an error occurs in the control system.
An optical fiber cable used to connect two redundant function modules in a redundant system.
Number that is assigned for transient transmission to any given stations.
By specifying a group of stations as transient transmission target, data can be sent to the stations of the
same group number.
A generic term for the G.UINI, GP.UINI, Z.UINI, and ZP.UINI
A generic term for the JP.WRITE and GP.WRITE
A generic term for the J.ZNRD and JP.ZNRD
A generic term for the J.ZNWR and JP.ZNWR