Zero Trim; Sensor Trim - Emerson Rosemount 3051S Series Reference Manual

Rosemount 3051S Series

Zero Trim

1, 2, 3, 3, 1
Fast Keys
3, 4, 1, 3
Device Dashboard
Fast Keys

Sensor Trim

1, 2, 3, 3
Fast Keys
Device Dashboard
Fast Keys
4-6
NOTE
The transmitter must be within three percent of true zero (zero-based) in order
to calibrate with 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
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.
NOTE
Use a pressure input source that is at least four times more accurate than the
transmitter, and allow the input pressure to stabilize for ten seconds before
3, 4, 1
entering any values.
Field Communicator
To calibrate the sensor with a Field Communicator using the sensor trim
function, perform the following procedure:
1. Assemble and power the entire calibration system including a
transmitter, Field Communicator, power supply, pressure input source,
and readout device.
2. From the HOME screen, enter the fast key sequence under "Sensor
Trim."
3. Select 2: Lower sensor trim. The lower sensor trim value should be the
sensor trim point that is closest to zero.
Reference Manual
00809-0100-4801, Rev EA
August 2010