Operating Instructions

Table Of Contents
7.1.6.7 Maintenance
You can set schedules and reminders for:
device maintenance based on its projected lifetime
sensor maintenance based on its projected lifetime
service
calibration
To set Device/Sensor Maintenance schedules:
1. Open the menu Device Maintenance, and click on the Remaining Device/Sensor Lifetime
tab.
2. Modify desired values, and if desired, set reminders for either or both of Reminder 1 before
Lifetime (Required)/Reminder 2 before Lifetime (Demanded).
3. Click Write.
4. Click Read, to see the effects of your modification.
5. Click Snooze to add a year to the Total Expected Device Life.
To set Service/Calibration schedules:
1. Open the menu Device – Maintenance, and click on the Service/Calibration Schedule tab.
2. Modify desired values and if desired, set reminders for either or both of Reminder 1 before
Lifetime (Required)/Reminder 2 before Lifetime (Demanded).
3. Click Write.
Remote operation
7.1 Operating via SIMATIC PDM
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG 77