User's Manual

Page 110 SITRANS LR250 (HART) – INSTRUCTION MANUAL 7ML19985JE03
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Parameters
4.5.2. Time since Last Calibration
Time elapsed since last calibration. Can be reset to zero after performing a
calibration.
To reset to zero:
• In SIMATIC PDM, open the menu Device – Maintenance, click on the
Calibration Schedule tab, and click on Calibration Performed to restart the
timer and clear any fault messages.
• Via the handheld programmer, manually reset Time since Last Calibration
(4.5.2.) to zero.
4.5.3. Time until Next Calibration
Read only. Calibration Interval (4.5.1.) less Time since Last Calibration (4.5.2.).
4.5.4. Reminder Activation
Allows you to enable a maintenance reminder .
a) First set the values in Reminder 1 (Required) (4.3.5.)/Reminder 2
(Demanded) (4.5.6.).
b) Select the desired Reminder Activation option.
4.5.5. Reminder 1 (Required)
If Time until Next Calibration (4.5.3.) is equal to or less than this value, the device
generates a Maintenance Required reminder.
a) Modify values as required.
b) Set Reminder Activation (4.5.4.) to the desired option.
Note: To modify this parameter via SIMATIC PDM it must be accessed via the
pull-down menu Device – Maintenance.
Values
* Timer OFF
ON - no reminders checked
ON - Reminder 1 (Maintenance Required) checked
ON - Reminders 1 and 2 checked
ON - Reminder 2 (Maintenance Demanded) checked
Values
Range: 0 to 20 years
Default: 0.164 years