Siemens SITRANS LUT400, Operating Instructions Manual

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A5E33329501 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS Page 41
mm
mmm
Commissioni
ng
Temperature Source
Source of the temperature reading used to adjust the speed of sound.
See
Temperature Source
on page 181 for more details.
Fixed Temperature
Use this feature if a temperature sensing device is not used.
This parameter is only displayed if FIXED TEMPERATURE selected for Temperature
Source.
Units
Sensor measurement units.
High Calibration Point
Distance from Sensor Reference Point to High Calibration Point: usually process full
level.
Mode Description Reference point
LEVEL * Height of material
Low Calibration Point
(process empty level)
SPACE
Distance to material surface
High Calibration Point
(process full level)
DISTANCE Sensor Reference Point
OTHER
Do NOT select.
If Operation value displays as
OTHER, the device is configured as a
level controller, but has been set pre-
viously to a mode other than LEVEL,
SPACE, or DISTANCE.
The operation mode must be set to
LEVEL, SPACE, or DISTANCE to pro-
ceed with the QS Level Wizard.
Options
TRANSDUCER, FIXED TEMPERATURE, EXTERNAL TS-3, AVERAGE OF SEN-
SORS
Default: TRANSDUCER
Value
Range: -100.0 to +150.0 °C
Default: +20.0 °C
Options
M, CM, MM, FT, IN
Default: M
Note:
For the purpose of this example, all values are assumed to be in meters (m).
Value
Range: 0.000 to 60.000
Default: 0.000