5
REDUNDANT SYSTEM FUNCTIONS
5.1 Basic Concept of Redundant System
5.1.2 Determination of Control System and Standby System
5 - 8
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) Precautions
When using the redundant system in the backup mode, connect the tracking cable to
the control system and the standby system CPU modules.
If both systems are powered on without the tracking cable connected to the CPU
models, the "TRK.CABLE ERR. (error code: 6120)" stop error will occur and the
system cannot run.
If "TRK. CABLE ERR." occurs at power-on, power off System A and System B, then
connect the tracking cable to the CPU modules, and power the systems on again.
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