A5E33701270 COMMUNICATIONS FOR SITRANS LUT400 (HART) – MANUAL Page 35
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Operation - PDM
Select Analog Output
Allows you to set the mA Output to report Level, Distance, or Space.
1) Open the menu Device – Select Analog Output.
2) The Select Analog Output window displays the current setting: click on OK.
3) Select a different setting and click on OK.
4) The Select Analog Output window displays the new setting: click on OK.
Loop-Test
Allows you to input a simulated value (4 mA, 20 mA, or a user-defined value) in order to test the
functioning of the mA connections during commissioning or maintenance of the device. (The
range is 3.5 mA to 22.8 mA: see
2.12.Signal Processing
in LUT400 operating instructions
1
.)
To simulate a user-defined mA value:
1) Open the menu Device – Loop-Test.
2) Select Other, enter the new value, and click on OK. The message ’Field Device fixed
at [new value]’ appears. Click on OK. The Loop-Test window remains open.
3) When you are ready to end simulation, select End and click on OK to return the
device to the actual output value.
Master Reset
Factory Defaults
Factory Defaults resets all parameters to the default settings with the following
exceptions:
• all identification parameters (see
3.1.Identification
in LUT400 operating
instructions
1
for a list)
• Device Address
• Write Protection
• Learned TVT curve
• Auto False Echo Suppression Range
• Shaper Mode
• TVT Shaper breakpoints
1) Open the menu Device – Master Reset, select OK to perform a reset to Factory
Defaults.
2) After the reset is complete upload parameters to the PC/PG. (If you are performing a
reset after replacing the device with a different device, do not upload parameters to
the PC/PG).
Note: The simulated AO (Analog Output) value influences output to the control system.
Be sure to disconnect any pumps/processes before entering simulation.
1.
SITRANS LUT400 (HART) Operating Instructions (7ML19985MV01)
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