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: HART communications
- C Appendix C: Certificates and support
- 13 List of abbreviations
- 14 LCD menu structure
- Glossary
- Index
Parameter reference
SITRANS LR250 (HART)
142 Operating Instructions, 01/2014, A5E32220602-AB
Breakpoint 28-36 (2.8.8.4.)
Values
Range: –50 to 50 dB
Default: 0 dB
Breakpoint 37-40 (2.8.8.5.)
Values
Range: –50 to 50 dB
Default: 0 dB
Measured Values (2.8.9.)
Read only. Allows you to view measured values for diagnostic purposes.
To access measured values via SIMATIC PDM:
Open the menu
View – Process Variables
.
Level Measurement (2.8.9.1.)
The value for level.
Space Measurement (2.8.9.2.)
The value for space.
Distance Measurement (2.8.9.3.)
The value for distance.
Volume Measurement (2.8.9.4.)
The value for volume.
Diagnostics (3.)