158
Reference Manual
00809-0100-4530, Rev DD
May 2016
Threshold settings
To adjust the amplitude thresholds:
1.
Select HART command [2, 5, 2].
F
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),
“Amplitude threshold curve” on page 161
for more information.
Option
2 Set Threshold
lets you specify a constant Surface Threshold.
“Analyzing the measurement signal” on page 151
and
for more information on how to use the amplitude
thresholds.
4.
Select the
SAVE
button to store the new settings in the transmitter database.