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)
Operating Instructions, 01/2014, A5E32220602-AB
161
Powered Hours (4.7.)
Read only. Displays the number of hours the unit has been powered up since manufacture.
In SIMATIC PDM, open the menu
Device – Wear
.
Power-on Resets (4.8.)
Read only. The number of power cycles that have occurred since manufacture.
In SIMATIC PDM, open the menu
Device – Wear
.
LCD Fast Mode (4.9.)
Note
•
LCD Fast Mode takes effect only after 30 minutes of inactivity. (Each time the device is
powered up, a further 30 minutes of inactivity is required.)
•
LCD Fast Mode affects Measurement mode only; it has no effect on Navigation mode.
Enables a faster rate of measurement from the device by disabling most of the display area.
Only the bar graph will be refreshed when LCD Fast Mode is set to ON.
Values
ON or OFF
Default: OFF
LCD Contrast (4.10.)
The factory setting is for optimum visibility at room temperature and in average light conditions.
Extremes of temperature will lessen the contrast.
Values
Range: 0 (High contrast) to 20 (Low contrast). Default: 10
Adjust the value to improve visibility at room temperature and in average light conditions.
Change the value in small steps to ensure you can continue to read the display.
Secondary Value (4.11.)
Use the secondary value to capture the menu navigation path to any viewable parameter. Once
the navigation path is stored, the value of that parameter will be displayed in
Measurement
mode as the secondary value.
While in Parameter view of the current parameter, press the decimal point key. This stores the
path to the current parameter in the Secondary Value, and displays the value for that parameter
on the LCD display when in
Measurement
mode. See The LCD Display (Page 36) for an
illustration.