Emerson Rosemount 2460, Reference Manual

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136
Reference Manual
00809-0100-2460, Rev DE
Service and Troubleshooting
October 2018
Service and Troubleshooting
6.19.2 Firmware upgrade of redundant system hubs
Firmware upgrade of redundant system hubs requires a temporary change to standalone mode.
1. Disable the redundancy function.
a. Use Web Graphical User Interface (GUI) to verify that the Primary device is active, if not do a
manual switch over.
b. Use Web GUI to unpair the redundant pair of system hubs.
c. Primary and Backup device will change mode to Standalone.
d. The Primary will continue to poll field data.
e. The Backup will start using default configuration database (CDB) and default Modbus address.
2. Update firmware on both devices according to normal procedure for a Standalone system as
described in “Firmware upgrade” on page 135 .
a. Connect to the service port ETH3.
b. Use WebGUI to upgrade the firmware.
Note
The Host will lose field data when the device that is polling field data is updated with new firmware.
3. Enable the redundancy function again.
a. Connect to the Primary device (this is the unit that has the configured database (CDB) and polls
data from the field devices)
b. Use Web GUI to pair the redundant system hubs.
c. Primary will be the Active device and continue to poll field data.