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6.2 Redundant System Network Overview
6.2.4 CC-Link
6
REDUNDANT SYSTEM NETWORKS
(1) Overview of Remote Stations
In a redundant system, the control system master station controls remote stations and
sends/receives data to/from standby system master station.
The standby system standby master station receives data from the remote stations
and sends/receives data to/from the master station, in order to continue the CC-Link
control even when system switching occurs.
Diagram 6.25 Control of and Data Communication with Remote Stations
Power supply
module
System A -
Control System
Master
station
Power supply
module
System B -
Standby System
Standby
Master station
Tracking cable
Remote I/O
station
Remote device
station
Intelligent device
station
CC-Link
Send and receive data
Receive data
QnPRHCPU
QJ61BT11N
QnPRHCPU
QJ61BT11N
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