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)
154 Operating Instructions, 01/2014, A5E32220602-AB
Service Interval (4.4.1.)
Note
The device always operates in years. Changing the units affects only the parameter
view of
the Service Interval parameters in SIMATIC PDM.
User-configurable recommended time between product inspections.
Values
Units
a)
: hours, days, years
Range: 0 to 20 years
Default: 1.0 year
a)
Units are selectable only via SIMATIC PDM.
Time Since Last Service (4.4.2.)
Time elapsed since last service. Can be reset to zero after performing a service.
To reset to zero:
● In SIMATIC PDM, open the menu
Device – Maintenance
, click on the
Service Schedule
tab,
and click on
Service Performed
to restart the timer and clear any fault messages.
● Via the handheld programmer, manually reset
Time since Last Service (4.4.2.)
to zero.