Siemens SITRANS LR250 Operating Instructions Manual page 153

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 are selectable only via SIMATIC PDM.
a)
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.).
Reminder Activation (4.4.4.)
Note
To modify this parameter via SIMATIC PDM it must be accessed via the pull-down menu
Device – Maintenance.
Allows you to enable a maintenance reminder.
Options
1. First set the values in Reminder 1 (Required) (4.4.5.)/Reminder 2 (Demanded) (4.4.6.).
2. Select the desired Reminder Activation option.
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
Units : hours, days, years
a)
Range: 0 to 20 years
Default: 1.0 year
* Timer OFF
ON - no reminders checked
ON - Reminder 1 (Maintenance Required) checked
ON - Reminders 1 and 2 checked
ON - Reminder 2 (Maintenance Demanded) checked
Parameter reference
151