Siemens SITRANS LR250 Operating Instructions Manual page 151

Reminder 1 (Required) (4.3.5.)
If Remaining Lifetime (4.3.3.) is equal to or less than this value, the device generates a
Maintenance Required reminder.
Values
1. Modify values as required.
2. Set Activation Reminder (4.3.4.) to the desired option.
Reminder 2 (Demanded) (4.3.6.)
If Remaining Lifetime (4.3.3.) is equal to or less than this value, the device generates a
Maintenance Demanded reminder.
Values
1. Modify values as required.
2. Set Reminder Activation (4.3.4.) to the desired option.
Maintenance Status (4.3.7.)
Indicates which level of maintenance reminder is active.
In SIMATIC PDM, open the menu View – Device Diagnostics, select Device Status, click on the
Maintenance tab, and check the Sensor Lifetime Status window.
Acknowledge Status (4.3.8.)
Indicates which level of maintenance reminder has been acknowledged.
In SIMATIC PDM, open the menu View – Device Diagnostics, select Device Status, click on the
Maintenance tab, and check the Sensor Lifetime Status window.
Acknowledge (4.3.9.)
Acknowledges the current maintenance reminder.
To acknowledge a reminder via SIMATIC PDM:
1. Open the menu View – Device Diagnostics, select Device Status and click on the
Maintenance tab.
2. In the Sensor Lifetime section, click on Acknowledge Warnings.
To acknowledge a reminder via the handheld programmer:
1. Press RIGHT arrow
2. Press RIGHT arrow
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
Range: 0 to 20 years
Default: 0.164 years
Range: 0 to 20 years
Default: 0.019 years
twice to open parameter view and activate Edit Mode.
to acknowledge the reminder.
Parameter reference
149