User's Manual
Table Of Contents
- 8 Parameter reference
- 9 Service and maintenance
- 10 Diagnosing and troubleshooting
- 11 Technical data
- 12 Dimension drawings
- 12.1 Threaded horn antenna
- 12.2 Threaded horn antenna with extension
- 12.3 Flanged horn antenna
- 12.4 Flanged horn antenna with extension
- 12.5 Flanged encapsulated antenna (2"/DN50/50A sizes only)
- 12.6 Flanged encapsulated antenna (3"/DN80/80A sizes and larger)
- 12.7 Threaded PVDF antenna
- 12.8 Threaded connection markings
- 12.9 Raised-Face flange per EN 1092-1 for flanged horn antenna
- 12.10 Raised-Face flange per EN 1092-1 for flanged encapsulated antenna
- 12.11 Flat-Face flange
- 12.12 Process connection tag (pressure rated versions)
- A Appendix A: Technical reference
- B Appendix B: Communications via Foundation Fieldbus
- C Appendix C: Certificates and support
- 13 List of abbreviations
- 14 LCD menu structure
- Glossary
- Index
Parameter reference
SITRANS LR250 (FOUNDATION FIELDBUS)
Operating Instructions, 01/2014, A5E32221411-AB
155
Channel (2.6.3.)
Used to select between the different Level Transducer Block outputs.
Options
Description
Reference point
LEVEL/VOLUME Level value converted to Volume [through
Linearization (2.4.)]
Low Calibration Point
LEVEL
*
Level value
Low Calibration Point
DISTANCE
Distance value
Sensor Reference Point
①
Distance
②
High Calibration Point (process full level)
③
Sensor reference point
a)
④
Low Calibration Point (process empty level)
⑤
Level
a)
The point from which High and Low Calibration points are referenced: see Dimension drawings
(Page 205) and Threaded Horn Antenna with extension (Page 205).
Input Scaling (2.6.4.)
Lower Value (2.6.4.1.)
Defines the operational lower range value of the input value (Process Value Scale) in PV
(volume/level) Units. Process Value Scale normalizes the input value to a customer-defined
range.
Values
Range: -999999 to 999999
Default: 0 %