Mitsubishi Q12PRHCPU - Page 220

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5.10 Redundant CPU Functions Restricted in Redundant System
5.10.2 Remote Operation for Redundant System
5
REDUNDANT SYSTEM FUNCTIONS
2) When watchdog timer error has occurred in the standby system CPU
module
When a watchdog timer error has occurred in the standby system CPU
module, only the control system CPU module is reset and the standby system
CPU module is not reset.
When performing remote reset for the standby system CPU module in which a
watchdog timer error has occurred, set the communication route where the
tracking cable is not relayed.
Diagram 5.105 Remote Reset Operation When Watchdog Timer Error Has Occurred in Standby System CPU Module
Control
system
Standby
system
Control
system
Standby
system
GX Developer
GX Developer
Tracking cable
Tracking cable
STOP Watchdog timer error
Watchdog timer error
STOP Reset STOP