User's Manual

Parameter reference
SITRANS LR250 (PROFIBUS PA)
148 Operating Instructions, 01/2014, A5E32221386-AB
Time Units
Options
a)
Hours; days; years
Default: years
a)
Selectable only via SIMATIC PDM.
Calibration Interval (4.5.1.)
Note
The device always operates in years. Changing the units affects only the parameter view of
the Calibration Interval parameters in SIMATIC PDM.
User-configurable recommended time between product calibrations.
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 Calibration (4.5.2.)
Time elapsed since last calibration. Can be reset to zero after performing a calibration.
To reset to zero:
● In SIMATIC PDM, open the menu
Device – Maintenance
, click on the
Calibration Schedule
tab, and click on
Calibration Performed
to restart the timer and clear any fault messages.
● Via the handheld programmer, manually reset
Time since Last Calibration (4.5.2.)
to zero.
Time until Next Calibration (4.5.3.)
Read only.
Calibration Interval (4.5.1.)
less
Time since Last Calibration (4.5.2.)
.