Emerson Rosemount 3051P Reference Manual page 25

Reference Manual
00809-0700-4001, Rev AA
Figure 2-9. Rerange with Applied Pressure Using LOI
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ZERO TRIM
UNITS
RERANGE RERANGE
LOOP TEST
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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
To rerange the transmitter using the span and zero buttons, perform the following procedure:
1. Loosen the screw holding the top tag of the transmitter housing. Rotate the label to expose the zero
and span buttons.
2. Confirm device has local zero and span buttons by verifying blue retainer under the tag.
3. Apply transmitter pressure.
4. Rerange the transmitter.
a. To change the zero (4 mA) while maintaining the span: press and hold zero button for at least two
b. To change the span (20 mA) while maintaining the zero point: press and hold the span button for
Note
4 mA and 20 mA points must maintain the minimum span defined in
Reference
Figure 2-10. Analog Zero and Span Buttons
A. Zero and span buttons
Configuration
Figure 2-10 on page 15
seconds then release.
at least two seconds and then release.
Data.
RERANGE
ENTER VALUES
APPLY VALUES APPLY VALUES
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for analog zero and span button location.
A
APPLY VALUES
LRV
URV
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EXIT MENU
Appendix A: Specifications and
Configuration
May 2017
15