Emerson Rosemount 3051P Reference Manual page 22

Configuration
April 2020
Rerange with an applied pressure source using local zero and span
buttons
If you order local zero and span buttons (option code D4), you can use them 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 defined in
reference
Figure 2-8: Analog Zero and Span Buttons
A. Zero and span buttons
22
expose the zero and span buttons.
tag.
a) To change the zero (4 mA) while maintaining the span: press and hold zero
button for at least two seconds then release.
b) To change the span (20 mA) while maintaining the zero point: press and hold
the span button for at least two seconds and then release.
data.
Figure 2-8 for analog zero and span button
Specifications and
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Reference Manual
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