Siemens SITRANS LUT400 Operating Instructions Manual page 215

3.3.3.2.
Read only. The amount of time the device has been operating.
3.3.3.3.
Read only. Lifetime Expected (3.3.3.1.) less Time in Operation (3.3.3.2.).
3.3.3.4.
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
a)
b)
3.3.3.5.
If Remaining Lifetime (3.3.3.3.) is equal to or less than this value, the device
generates a Maintenance Required reminder.
Values
a)
b)
3.3.3.6.
If Remaining Lifetime (3.3.3.3.) is equal to or less than this value, the device
generates a Maintenance Demanded reminder.
Values
a)
b)
3.3.3.7.
Indicates which level of maintenance reminder is active.
In SIMATIC PDM, open the menu View – Device Status, click on the
Maintenance tab, and check the Device Lifetime Status window.
3.3.3.8.
Indicates which level of maintenance reminder has been acknowledged.
In SIMATIC PDM, open the menu View – Device Status, click on the
Maintenance tab, and check the Device Lifetime Status window.
A5E33329501 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS
Time in Operation
Remaining Lifetime
Reminder Activation
REMINDER 1 (MAINTENANCE REQUIRED)
REMINDER 2 (MAINTENANCE DEMANDED)
REMINDERS 1 AND 2
* OFF
First set the values in Reminder 1 before Lifetime (Required)
(3.3.3.5.)/Reminder 2 before Lifetime (Demanded) (3.3.3.6.).
Select the desired Reminder Activation option.
Reminder 1 before Lifetime (Required)
Modify values as required.
Set Reminder Activation (3.3.3.4.) to the desired option.
Reminder 2 before Lifetime (Demanded)
Range: 0.000 to 20.000 years
Default: 0.019 years (1 week)
Modify values as required.
Set Reminder Activation (3.3.3.4.) to the desired option.
Maintenance Status
Acknowledged Status
Range: 0.000 to 20.000 years
Default: 0.164 years (8 weeks)
Page 207