Emerson FB2100 Instruction Manual page 118

FB2100 Flow Computer Instruction Manual
D301783X012
November 2023
5.7 Upgrading System Firmware
Periodically Emerson releases new system firmware for the flow computer to introduce
new features or update system functions.
You must know a valid username/password combination for the flow computer to
complete this process.
EXPLOSION HAZARD: Ensure the area in which you perform this operation is non-
hazardous. Performing this operation in a hazardous area could result in an explosion.
Important
A power loss occurring during a firmware update to a unit with a dead SRAM coin cell

battery can corrupt SRAM memory and place the flow computer in a continuous boot
cycle, requiring you to return the device to the factory for repairs. To avoid this, be sure
to replace the SRAM coin cell battery when its power is low. To check this in
FBxConnect, click Services > System Power and look at the SRAM Battery Status field
on the display.
When upgrading system firmware version 01.xx.xx.xx to version 2.05.xx.xx or newer,

allow up to 10 minutes to complete the upgrade and do not power cycle the unit.
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DANGER
Launch Field Tools and use FBxConnect to connect to the flow computer.
Click the Services tab, then click Firmware Update.
Click Configuration Save to save the flow computer's configuration.
Click History Collection to save the historical data contained in the flow computer.
Click Firmware Update.
Service and Troubleshooting