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Emerson Rosemount 2460 System Hub - Page 112

Emerson Rosemount 2460 System Hub
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100
Reference Manual
00809-0100-2460, Rev DE
Operation
October 2018
Operation
State messages for the Primary and Backup system hubs are listed in the following order:
Redundancy error warnings
Device error messages
Primary/backup status
Modem errors
Device warnings
What will trigger a redundancy warning?
Typical failures that will trigger redundancy warning:
network cable to backup device disconnected
backup device powered off
synchronization of configuration database (CDB) failed
primary and backup do not have the same type of modem in port <n>
communication failure due to tank database configured with devices that are not physically connected
to the system hub

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