Mitsubishi Electric GT1685 Connection Manual page 140

Connection type
• Computer link connection
(Serial communication
module mounted on the
redundant type extension
base unit)
• Ethernet connection
(Ethernet module mounted
on the redundant type
extension base unit)
• CC-Link connection
(intelligent device station)
(CC-Link module mounted
on the redundant type
extension base unit)
• CC-Link connection (Via
G4)
(CC-Link module mounted
on the redundant type
extension base unit)
*1
*2
4 - 6
4. HOW TO MONITOR REDUNTANT SYSTEM
Before system switching
Control system
Station
No. 1
Serial
CC-Link
communication
module
module
GOT1 GOT2
CC-Link Computer link
connection connection
To monitor the control system after the system switching without the Q redundant setting, change the cable connection from the
PLC CPU in the previous control system to the control system after system switching.
To monitor the control system after the system switching without the Q redundancy setting, refer to the following.
4.10Switch the Monitor Target to the Control System Using the Script Function
Station
No. 2
Ethernet
module
GOT3
Ethernet
connection
After system switching
Control system Standby system
Station Station
No. 1 No. 2
Serial
CC-Link
Ethernet
communication
module
module
module
GOT1 GOT2 GOT3
CC-Link Computer link Ethernet
connection connection connection