Trim The Analog Output - Emerson Rosemount 2088 Reference Manual

Operation and Maintenance
April 2021
5.6.3 Recall factory trim—sensor trim
The recall factory trim-sensor trim command allows the restoration of the as-shipped
factory settings of the Sensor Trim. This command can be useful for recovering from an
inadvertent zero trim of an absolute pressure unit or inaccurate pressure source.
Recalling factory trim with a Field Communicator
From the HOME screen, enter the Fast Key sequence and follow the steps within the Field
Communicator to complete the sensor trim.
Device Dashboard Fast Keys
Recalling factory trim with AMS Device Manager
Procedure
1. Right select on the device and, under the Method drop down menu, move cursor
2. Set the control loop to manual.
3. Select Next.
4. Select Sensor Trim under Trim to recall and click Next.
5. Follow the screen prompts to recall Sensor Trim.
Recalling factory trim with LOI
Refer to
Figure 5-4: Recall Factory Trim with LOI
5.7

Trim the analog output

The Analog Output Trim commands allow you to adjust the transmitter's current output
at the 4 and 20 mA (1 – 5 Vdc) points to match the plant standards. This trim is performed
after the digital to analog conversion so only the 4–20 mA analog (1– 5 Vdc) signal will be
affected.
when an analog output trim is performed.
72
over Calibrate and select Restore Factory Calibration.
Figure 5-4 to recall factory sensor trim.
EXTENDED MENU
VIEW CONFIG
CALIBRAT
ZERO TRIM
DAMPING
UNITS
TRANSFER FUNCT
RERANGE
SCALED VARIAB
LOOP TEST
ASSIGN PV
DISPLAY
TAG
EXTENDED MENU
ALARM SAT VALUES
EXIT MENU
PASSWORD
SIMULATE
HART REV
BACK TO MENU
EXIT MENU
Figure 5-5 graphically shows the two ways the characterization curve is affected
Rosemount 2088, 2090P, and 2090F Pressure Transmitter Reference Manual
3, 4, 3
CALIBRAT
ZERO TRIM
LOWER TRIM
UPPER TRIM
ANALOG TRIM
FACTORY RECALL
BACK TO MENU
EXIT MENU
Reference Manual
00809-0100-4108
FACTORY RECALL
SENSOR RECALL
ANALOG RECALL
BACK TO MENU
EXIT MENU