2
SYSTEM CONFIGURATION
2.1 System Configuration
2 - 9
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
TRACKING CABLE
4
PROCEDURE FOR
STARTING UP A
REDUNDANT SYSTEM
5
REDUNDANT SYSTEM
FUNCTIONS
6
REDUNDANT SYSTEM
NETWORKS
7
PROGRAMMING
CAUTIONS
8
TROUBLESHOOTING
(5) Communication via CC-Link
(a) Controlling External Devices
A redundant system controls external devices using remote I/O stations, remote
device stations, and intelligent device stations connected to CC-Link.
(b) CC-Link master module setting
Set the CC-Link master modules as follows.
1) When mounting to the main base unit
• System A: master station
• System B: standby master station
If A system is standby master station and B system is master station, data link
cannot be made.
Also, start the system so that A system can be the control system.
( Section 5.1.2)
If B system starts as the control system, CC-Link communication cannot be
made since CC-Link master station does not exist.
For the standby master station function, refer to the following manual.
CC-Link System Master/Local Module User's Manual
2) When mounting to the extension base unit
Set [Master station (Extension base)].
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