Calibration Interval - Siemens Sitrans LR250 Instruction Manual

4.18. Calibration Interval

Notes:
• Default settings in the parameter tables are indicated with an asterisk (*) unless
explicitly stated.
• Four sets of parameters allow you to monitor the Device/Sensor Lifetimes and
set up Maintenance/Service schedules, based on operating hours instead of a
calendar-based schedule. See also Remaining Device Lifetime (3.4.), Remaining
Sensor Lifetime (3.5.), and Service Interval (4.17.).
• Performing a reset to Factory Defaults will reset all the Maintenance Schedule
parameters to their factory defaults.
• The device operates in years. To view Calibration Interval parameters in hours or
days (via SIMATIC PDM only) see Total Calibration Interval (4.18.6.).
The device tracks calibration intervals based on operating hours and monitors the
predicted lifetime to the next calibration. You can modify the Total Calibration Interval,
set schedules for Maintenance Alerts, and acknowledge them.
To access these parameters via SIMATIC PDM:
• Open the menu Device – Maintenance and select the Calibration Interval tab.
• After modifying values/units as required, click on Write to accept the change,
and Read to view the effect of the change.
• Click on Calibration Performed to restart the timer and clear any fault
messages..
Page 94 SITRANS LR250 (PROFIBUS PA) – INSTRUCTION MANUAL 7ML19985JF02