Siemens SITRANS LR250 Guide De Mise En Service Rapide page 21

1.5. Operating Mode
sensor
reference
point
sensor
reference
point
Operation Description
NO Measurement and associated loop current are not updated, and the device defaults to
SERVICE Fail-safe mode
LEVEL Distance to material surface referenced from Low Calibration Point.
SPACE Distance to material surface referenced from High Calibration Point.
DISTANCE Distance to material surface referenced from Sensor Reference Point.
1)
For more details on Fail-safe Mode see the full manual.
1.6. Low Calibration Point
Distance from Sensor Reference to Low Calibration Point: usually process empty level. See
Operating Mode (1.5.) for an illustration.
Values
Range: 0.00 to 20.00 m
1.7. High Calibration Point
Distance from Sensor Reference to High Calibration Point: usually process full level. See
Operating Mode (1.5.) for an illustration
Values
Range: 0.00 to 20.00 m
1.8. Apply? (Apply changes)
In order to save the Quick Start settings it is necessary to select Yes to apply changes.
Options
Press Mode to return to Measurement mode. SITRANS LR250 is now ready to operate.
Note: If your application has a tank with obstructions, please see the full manual for details
on using Auto False Echo Suppression.
A5E31997170
space
level
1)
.
.
YES, NO, DONE (Display shows DONE when Quick Start is successfully
completed.)
SITRANS LR250 (HART) – QUICK START MANUAL
distance
High Cal.
Point
sensor
reference
point
Low Cal.
Point
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