A5E33329501 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS Page 209
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Parameters
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)
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