Operating Instructions

1. Modify values as required.
2. Set Activation of Reminders (4.4.4.) to the desired option.
Reminder 2 before Service (Demanded) (4.4.6.)
If Time Until Next Service (4.4.3.) is equal to or less than this value, the device generates a
Maintenance Required reminder.
Values Range: 0 to Service Interval (4.4.1.)
Default: 0.019 years
1. Modify values as required
2. Set Activation of Reminders (4.4.4.) to the desired option.
Maintenance Status (4.4.7.)
Indicates which level of maintenance reminder is active.
Open the menu View – Device Status, click on the Maintenance tab and check the Service
Schedule Status window.
Acknowledge Status (4.4.8.)
Indicates which level of maintenance reminder has been acknowledged.
Open the menu View – Device Status, click on the Maintenance tab and check the Service
Schedule Status window.
Acknowledge (4.4.9.)
Acknowledges the current maintenance reminder.
To acknowledge a reminder via SIMATIC PDM:
1. Open the menu View – Device Status and click on the Maintenance tab.
2. In the Service Schedule Status section, click on Acknowledge Warnings.
To acknowledge a reminder via the handheld programmer:
1. Press RIGHT
arrow twice to open parameter view and activate Edit Mode.
2. Press RIGHT arrow to acknowledge the reminder.
Parameter reference
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG 141