Meriam MFT 4010 Modular Calibrator_HART Communicator - Manual (Page 68)

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reminds the user to reconnect the device under test to the receiving device. Press the OK soft key to
continue to the Analog Trim main screen.
Low Sensor Trim Pt: Allows the user to view the pressure value where the last Low Sensor Trim Point
was referenced. See the Lower Trim section for more information.
Use the Up or Down soft key to move the selection arrow to Low Sensor Trim Pt, then press the Select
soft key. Use the Back key to return to the Pressure Trim main menu.
Up Sensor Trim Pt: Allows the user to view the pressure value where the last Upper Sensor Trim Point
was referenced. See the Upper Trim section for more information.
Use the Up or Down soft key to move the selection arrow to High Sensor Trim Pt, then press the Select
soft key. Use the Back key to return to the Pressure Trim main menu.
Analog Trim
The Analog Trim option allows the user to trim the analog output of the connected HART device. To enter
the Analog Trim option, use the Up or Down soft key to move the selection arrow to Analog Trim, then
press the Select soft key. The following screen will appear:
D/A Trim: This option allows the user to trim the analog output (4mA & 20mA) of the connected HART
device. A multimeter will be needed to use this trim feature operating out of the HART communications
mode.
Note: For best convenience on Trim operations, the MFT’s mA/V meter should be used. See the
Calibrate section of this manual and review the Analog Trim instructions for more information on
this feature.
To initiate the D/A Trim, use the Up or Down soft key to move the selection arrow to D/A Trim, then press
the Select soft key.
The screen will prompt: Loop should be removed from automatic control. This notice reminds the user
that the device output will not be a measurement of the actual process, and to place the receiving device or
control system (such as a chart recorder, PLC, or DCS) in manual mode. Press the OK soft key to
continue.
Screen will prompt: Connect Ref meter. Press OK to continue.
Press the Abrt soft key to return to the Analog Trim main menu screen without making changes.
Analog Trim Menu
1151: Pump 8
Setting fld dev
output to 4mA
→ OK
Up Down Select Abrt
Analog Trim Menu
1151: Pump 8
D/A Trim
Scaled D/A Trim
Loop Test
Up Down Select Back
Analog Trim Main Menu Screen