Horizontal Vessel With Volume Measurement - Siemens SITRANS LR250 Operating Instructions Manual

Commissioning
6.3 Application examples
Parameter type
Independent
parameters
Return to Measurement: press Mode
6.3.2

Horizontal vessel with volume measurement

Note
The minimum distance from the flange face to the target is limited by Near Range (2.8.1.).
To obtain level measurement/4 to 20 mA output proportional to vessel volume in a chemical
vessel:
● Low Calibration Point = 3.5 m (11.48 ft) from sensor reference point
● High Calibration Point = 0.5 m (1.64 ft) from sensor reference point
● Max. fill/empty rate = 0.2 m/min (0.65 ft/min)
Select vessel shape, Parabolic Ends, and enter values for A and L, to obtain a volume reading
instead of level.
In the event of a loss of echo: SITRANS LR250 is to go into Fail-safe High after 2 minutes.
①
②
③
④
⑤
68
Parameter No. /Name
Wizard Complete
LOE Timer (2.5.2.)
Material Level (2.5.1.)
Sensor reference point
0.5 m
High Calibration Point
3.5. m
Low Calibration Point
Options/ Function
Values
FINISH Transfers Quick Start settings to
device.
2 2 minutes
HI Fail-safe level set to High
to start normal operation.
⑥
A = 0.8 m
⑦
L = 6 m
⑧
100% = 8000 L
⑨
Volume reading
Operating Instructions, 12/2015, A5E32220602-AD
SITRANS LR250 (mA/HART)