Resetting The D/A Trim; Setting A Current Simulation - ABB LWT300 series User Manual

Guided wave radar level transmitter

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Resetting the D/A trim

To reset the 4 – 20 mA trim:

1 Select Calibrate > 4-20 mA D/A Trim > Reset D/A Trim.

2 Press OK. The D/A trim is reset.

To validate that calibration was successful, you can simulate a current output.

To perform the simulation:

1 Select Calibrate > 4-20 mA D/A Trim > Current Simulation.

2 Press Edit.

3 Set a current value (between 3.5 mA and 23.6 mA) that you want the instrument to generate and

press OK.

The ammeter should have a reading identical to the value entered.

Setting calibration parameters

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