Siemens SITRANS LUT400, Operating Instructions Manual

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A5E33329501 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS Page 209
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3.3.4.1. Lifetime Expected
Allows you to override the factory default.
3.3.4.2. Time in Operation
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:
• In SIMATIC PDM, open the menu Device – Maintenance, click on the
Remaining Sensor Lifetime tab, and click on Sensor Replaced to re-
start the timer and clear any fault messages.
• Via the local push buttons, navigate to Maintenance and Diagnostics
(3.) > Maintenance (3.3.) > Remaining Sensor Life (3.3.4.) > Time in
Operation (3.3.4.2.), and set to zero.
3.3.4.3. Remaining Lifetime
Read only. Lifetime Expected (3.3.4.1.) less Time in Operation (3.3.4.2.).
3.3.4.4. Reminder Activation
Allows you to enable a maintenance reminder.
a) First set the values in Reminder 1 before Lifetime (Required)
(3.3.4.5.)/Reminder 2 before Lifetime (Demanded) (3.3.4.6.).
b) Select the desired Reminder Activation option.
3.3.4.5. Reminder 1 before Lifetime (Required)
If Remaining Lifetime (3.3.4.3.) is equal to or less than this value, the device
generates a Maintenance Required reminder.
a) Modify values as required.
b) Set Reminder Activation (3.3.4.4.) to the desired option.
Note: The device always operates in years. Changing the Time Units
affects only the parameter view of Remaining Sensor Life parameters in
SIMATIC PDM, PACTware FDT, and AMS.
Values
Units
a
: hours, days, years
a.
Units are selectable only via SIMATIC PDM, PACTware FDT, and AMS.
Range: 0.000 to 20.000 years
Default: 10.000 years
Note: To modify this parameter via SIMATIC PDM it must be accessed
via the pull-down menu Device – Maintenance.
Options
REMINDER 1 (MAINTENANCE REQUIRED)
REMINDER 2 (MAINTENANCE DEMANDED)
REMINDERS 1 AND 2
* OFF
Values
Range: 0.000 to 20.000 years
Default: 0.164 years (8 weeks)