Operation And Maintenance - Emerson wirelessHART Rosemount Series Quick Start Manual

April 2021
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Operation and maintenance

5.1 Normal operation
Once installed and configured, the Rosemount 4390 Wireless Transmitter
does not require special operating instructions or calibration. There is no
need for manual calibration of the instrument. The electronics has built in
on-line calibration algorithm.
Related information
Troubleshooting
Spare parts
5.2 Replacing the power module
The power module life is directly linked to the application, probe type,
sampling rate and environmental and network condition.
The Black Power Module life can be extended to up to 10 years with the
proper configuration. For more details, see
Life-Estimator.
Emerson recommends that you replace the power module if the battery
voltage is below 5.5 volts.
When power module replacement is required, follow the instructions from
Installing the power
After the power module has been replaced, reset the power module life
estimation using AMS Device Manager or AMS Trex Device Communicator.
Quick Start Guide
module.
Quick Start Guide
Emerson.com/Power-Module-
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