Operating Instructions

User-configurable recommended time between product inspections.
Values Units
a)
: hours, days, years
Range: 0 to 20 years
Default: 1.0 year
a)
Units are selectable only via SIMATIC PDM.
Time Since Last Service (4.4.2.)
Time elapsed since last service. Can be reset to zero after performing a service.
To reset to zero:
● In SIMATIC PDM, open the menu Device – Maintenance, click on the Service Schedule tab,
and click on Service Performed to restart the timer and clear any fault messages.
● Via the handheld programmer, manually reset Time since Last Service (4.4.2.) to zero.
Time Until Next Service (4.4.3.)
Read only. Service Interval (4.4.1.) less Time Since Last Service (4.4.2.).
Activation of Reminders (4.4.4.)
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 * Timer OFF
ON - no reminders checked
ON - Reminder 1 (Maintenance Required) checked
ON - Reminders 1 and 2 checked
ON - Reminder 2 (Maintenance Demanded) checked
1. First set the values in Reminder 1 before Service (Required) (4.4.5.)/Reminder 2 before
Service (Demanded) (4.4.6.).
2. Select the desired Reminder Activation option.
Reminder 1 before Service (Required) (4.4.5.)
If Time Until Next Service (4.4.3.) is equal to or less than this value, the device generates
a Maintenance Required reminder.
Values Range: 0 to Service Interval (4.4.1.)
Default: 0.164 years
Parameter reference
SITRANS LR250 with mA/HART
140 Operating Instructions, 10/2019, A5E32220602-AG