Siemens SITRANS L Operating Instructions Manual page 150

Parameter reference
Time in Operation (4.3.2.)
The amount of time the sensor has been operating. Can be reset to zero after performing a
service or replacing the sensor.
To reset to zero:
• Via the handheld programmer, manually reset Time in Operation (4.3.2.) to zero.
Remaining Lifetime (4.3.3.)
Read only. Lifetime (expected) (4.3.1.) less Time in Operation (4.3.2.).
Activation of Reminders (4.3.4.)
Allows you to enable a maintenance reminder.
Options
1. First set the values in Reminder 1 before Lifetime (Required) (4.3.5.)/Reminder 2 before
Lifetime(Demanded) (4.3.6.).
2. Select the desired Activation of Reminders option.
Reminder 1 before Lifetime (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 limit values as required.
2. Set Activation of Reminders (4.3.4.) to the desired option.
Reminder 2 before Lifetime (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 limit values as required.
2. Set Activation of Reminders (4.3.4.) to the desired option.
150
REMinder 1 (Maintenance Required)
REMinder 2 (Maintenance Demanded)
REMinders 1 and 2 (Maintenance Required and Maintenance Demanded)
* OFF
Range: 0 to 20 years
Default: 0.164 years
Range: 0 to 20 years
Default: 0.019 years
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH