Zero Trim - Emerson Rosemount 3051 Reference Manual

Section 4: Operation and Maintenance
November 2012
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
Traditional 4-20 mA Fast Keys
Traditional 1-5 Vdc Fast Keys
Device Dashboard Fast Keys
Calibrate the sensor with a Field Communicator using the zero trim function as follows:
1.
2.
3.
AMS Device Manager
Right click on the device and select Calibrate, then Zero trim from the menu
1.
2.
3.
4.
5.
82
Vent the transmitter and attach a Field Communicator to the measurement loop.
From the HOME screen, follow the fast key sequence "Zero Trim."
Follow the commands provided by the Field Communicator to complete the zero trim
adjustment.
Click Next after setting the control loop to manual.
Click Next to acknowledge warning.
Click Next after applying appropriate pressure to sensor.
Select Next to acknowledge the loop can be returned to automatic control.
Select Finish to acknowledge the method is complete.
Reference Manual
00809-0100-4001, Rev JA
1, 2, 3, 3, 1
1, 2, 3, 3, 1
3, 4, 1, 3
.
Operation and maintenance