Emerson Rosemount 2051 Reference Manual page 22

Configuration
September 2020
Rerange with an applied pressure source using local zero and span
buttons
If ordered, local zero and span buttons (option code D4) can be used to rerange the
transmitter with an applied pressure. Refer to
location.
To rerange the transmitter using the span and zero buttons, perform the following
procedure:
Procedure
1. Loosen the screw holding the top tag of the transmitter housing. Rotate the label to
2. Confirm device has local zero and span buttons by verifying blue retainer under the
3. Apply transmitter pressure.
4. Rerange the transmitter.
Example
Note
4 mA and 20 mA points must maintain the minimum span.
22
Rerange with an applied pressure source using a Field Communicator
Use Figure 2-9 to manually rerange the device using an applied pressure source with
an LOI.
Figure 2-9: Rerange with Applied Pressure Using LOI
VIEW CONFIG
ZERO TRIM
UNITS
RERANGE
LOOP TEST
DISPLAY
EXTENDED MENU
EXIT MENU
expose the zero and span buttons.
tag.
a) To change the zero (4 mA/1 V point) while maintaining the span: press and
hold zero button for at least two seconds then release.
b) To change the span (20 mA/5 V point) while maintaining the zero point:
press and hold the span button for at least two seconds and then release.
RERANGE
ENTER VALUES
APPLY VALUES
APPLY VALUES
LRV
BACK TO MENU
URV
EXIT MENU
BACK TO MENU
EXIT MENU
Figure 2-10 for analog zero and span button
Rosemount 2051 Pressure Transmitter
Reference Manual
00809-0100-4107