Siemens 7ML5431 - Page 147

Parameter reference
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG
147
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.
Time Until Next Service (4.4.3.)
Read only. Service Interval (4.4.1.) less Time Since Last Service (4.4.2.).