Siemens SITRANS LR250 Operating Instructions Manual page 66

Commissioning
6.2 Operating via the handheld programmer
1.3 Response Rate
Sets the reaction speed of the device to measurement changes in the target range. Use a
setting just faster than the maximum filling or emptying rate (whichever is greater).
Options
1.4 Units
Sensor measurement units.
Options
1.5 Operating mode
Operation
NO SERVICE
LEVEL
SPACE
DISTANCE
See Material Level (2.5.1.) for more detail.
a)
①
②
③
The point from which High and Low Calibration points are referenced: see Dimension
a)
Drawings.
64
Response Rate (2.3.8.1.)
SLOW
MED
FAST
m, cm, mm, ft, in.
Description
Measurement and associated loop current are not updated, and the device
defaults to Fail-safe mode
Distance to material surface referenced from Low Calibration Point
Distance to material surface referenced from High Calibration Point
Distance to material surface referenced from Sensor reference point
④
Space
⑤
Level
⑥
Distance
Fill rate (2.3.8.2.)/Empty rate per Minute
(2.3.8.3.)
0.1 m/min (0.32 ft/min)
1.0 m/min (3.28 ft/min)
10.0 m/min (32.8 ft/min)
.
a)
High Calibration Point (process full level)
Sensor reference point
a)
Low Calibration Point (process empty level)
Operating Instructions, 08/2014, A5E32221386-AC
SITRANS LR250 (PROFIBUS PA)