App - 31
Appendix 5 Method for Starting up the Previous Control System
APPENDICES
POINT
1. If CC-Link system master/local modules are mounted on the main base unit,
system B cannot be started up as the control system.
Start up system A as the control system.
2. If CC-Link system master module is mounted on the main base unit, system B
cannot start as the control system.
3. If all stations are faulty in CC-Link network system, A system will be control
system since Xn1 does not turn ON. To start with the previous control system,
power ON the programmable controller CPU after powering ON the CC-Link
remote I/O stations.
4. To use the Rise/Fall execution instruction in a program of B system after
system switching, set [Do tracking] at [Signal flow memory tracking setting] on
[Tracking settings] in redundant parameter.
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