Emerson 3051S Specifications Page 92

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Reference Manual
00809-0100-4001, Rev JA
Section 4: Operation and Maintenance
November 2012
Operation and maintenance
Figure 4-3. Sensor trim
4.5.2 Zero trim
Note
The transmitter PV at zero pressure must be within three percent of URL in order to calibrate
using the zero trim function.
Field communicator
Calibrate the sensor with a Field Communicator using the zero trim function as follows:
1. Vent the transmitter and attach a Field Communicator to the measurement loop.
2. From the HOME screen, follow the fast key sequence “Zero Trim.
3. Follow the commands provided by the Field Communicator to complete the zero trim
adjustment.
AMS Device Manager
Right click on the device and select Calibrate, then Zero trim from the menu.
1. Click Next after setting the control loop to manual.
2. Click Next to acknowledge warning.
3. Click Next after applying appropriate pressure to sensor.
4. Select Next to acknowledge the loop can be returned to automatic control.
5. Select Finish to acknowledge the method is complete.
Traditional 4-20 mA Fast Keys
1, 2, 3, 3, 1
Traditional 1-5 Vdc Fast Keys
1, 2, 3, 3, 1
Device Dashboard Fast Keys
3, 4, 1, 3
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