Emerson Rosemount 3490 Series, Reference Manual

Page: 181 / 190

D Additional features
D.1 Restoring the factory defaults
To restore the control unit to the factory defaults (erasing all user-entered data):
Prerequisites
Note
The factory defaults may not be the same as the settings when shipped from the factory. It
is advisable to keep a record of settings, if possible.
Procedure
1. If there are HART
®
transmitters connected:
a) Navigate to SETUP
→
[CONTROLLER]
→
SYSTEM
→
Transmitter Wizard .
b) Start the Wizard, and use the Remove option for each connected
transmitter.
This removal action clears the control unit memory of all transmitter data
that has been uploaded from a HART transmitter, including the Transmitter
Bottom Reference.
2. Navigate to SETUP
→
[CONTROLLER]
→
SYSTEM
→
DEFAULTS .
3. Press the red (enter) button twice and then wait until “Done”.
4. Switch off the power to the control unit.
5. If there are two transmitters connected to a Rosemount
™
3492 Control Unit:
a) Switch off power to the control unit.
b) Remove the second transmitter associated with Transmitter Input Channel 2.
c) Switch on power to the control unit.
6. Put the control unit into
Run App
mode (to automatically find a HART transmitter)
7. If the control unit is a Rosemount 3492 Control Unit:
a) Switch off power to the control unit.
b) Re-connect the second transmitter.
c) Switch on power to the control unit.
Postrequisites
Turn back to Getting started , to start again.
D.2 Advanced parameter access
The advanced parameter access is selected from the MAIN MENU (see Figure D-1 ).
Reference Manual Additional features
00809-0100-4841 January 2021
Emerson.com/Rosemount 181