User's Manual

7ML19985JE03 SITRANS LR250 (HART) – INSTRUCTION MANUAL Page 107
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Parameters
4.4.3. Time until Next Service
Read only. Service interval (4.4.1.) less Time since Last Service (4.4.2.).
4.4.4. Reminder Activation
Allows you to enable a maintenance reminder.
a) First set the values in Reminder 1 (Required) (4.4.5.)/Reminder 2
(Demanded) (4.4.6.).
b) Select the desired Reminder Activation option.
4.4.5. Reminder 1 (Required)
If Time until Next Service (4.4.3.) is equal to or less than this value, the device
generates a Maintenance Required reminder.
a) Modify values as required.
b) Set Reminder Activation (4.4.4.) to the desired option.
4.4.6. Reminder 2 (Demanded)
If Time until Next Service (4.4.3.) is equal to or less than this value, the device
generates a Maintenance Demanded reminder.
a) Modify values as required.
b) Set Reminder Activation (4.4.4.) to the desired option.
4.4.7. Maintenance Status
Indicates which level of maintenance reminder is active.
Open the menu View – Device Status, click on the Maintenance tab and check
the Service Schedule Status window.
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
Values
Range: 0 to 20 years
Default: 0.019 years