To access the redundant
controller settings, click the Redundant tab under the Configuratin
Parameters panel.
Redundant Controller Communication Channel: this field is set for display only
Seccondary Controller RS-232 Terminal: In a redundant controller configuration,
the RS-232C port on the secondary controller is normally unfunctional. Enable
this function if you wish to use the port for debug purpose.
Cache Synchronization on Write-Through: If controllers are operating using the
Write-Through caching mode, the Synchronized cache operation can be manually
disabled to save system resources for better performance.
Note that if sync. cache is disabled, the configuration changes made through
the primary controller henceforward will no longer be mirrored to the secondary
controller.
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