Emerson Process Management ROSEMOUNT 5300 Manual do Utilizador descarregar pdf (Página 144)

100

101

Reference Manual

00809-0100-4530, Rev BA

July 2009

Rosemount 5300 Series

7-14

1. Select HART command [2, 5, 2].

OUNDATION Fieldbus parameter:

TRANSDUCER 1300>PROBE_END_THRESH

TRANSDUCER 1300>REFERENCE_THRESH

TRANSDUCER 1300>INTERFACE_THRESH

TRANSDUCER 1300>FULL_TANK_THRESH_OFFSET

The different threshold options appear on the display:

2. Open the desired option. For example, choosing option 2 Surface

Threshold Settings displays the following screen:

3. Option 1 Measure and Learn lets you create an Amplitude Threshold

Curve (ATC), see “Amplitude Threshold Curve” on page 7-7 for more

information.

Option 2 Set Threshold lets you specify a constant Surface Threshold.

See also “Analyzing the Measurement Signal” on page 7-3 and “Surface

Pulse Not Found” on page 7-5 for more information on how to use the

amplitude thresholds.

4. Click the SAVE button to store the new settings in the transmitter

database.

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