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2.1 System Configuration
2
SYSTEM CONFIGURATION
(c) System start-up
1) When using the QJ61BT11N whose first 5 digits of serial No. is 07112 or
later
When using the CC-Link, control using the CC-Link can be made starting up
from either system A or system B.
2) When using the QJ61BT11N whose first 5 digits of serial No. is 07111 or
earlier
When using the CC-Link, start up the system so that system A will be the
control system.
If starting up the system B as the control system, CC-Link cannot make
communication since the master station of the CC-Link does not exist.
Diagram 2.7 Connection of Redundant System to CC-Link
System A - Control System
System B - Standby System
Power supply module
Power supply module
Tracking cable
Remote I/O station
CC-Link
Remote device
station
Local station
Intelligent device
station
Master station Standby Master station
QnPRHCPU
QJ71GP21-SX
QJ71LP21
QJ61BT11N
QJ71E71
QnPRHCPU
QJ71GP21-SX
QJ71LP21
QJ61BT11N
QJ71E71
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