Siemens Sitrans LR250 Operating Instructions Manual page 61

To set Device/Sensor Maintenance schedules:
1) Open the menu Device – Maintenance, and click on the Remaining Device/
Sensor Lifetime tab.
2) Modify desired values, and if desired, activate reminders for either or both of
Reminder 1 (Required)/Reminder 2 (Demanded).
3) Click on Write.
4) Click on Read, to see the effects of your modification.
5) Click on Snooze to add a year to the Total Expected Device Life.
To set Service/Calibration schedules:
1) Open the menu Device – Maintenance, and click on the Service/Calibration
Schedule tab.
2) Modify desired values, and if desired, activate reminders for either or both of
Reminder 1 (Required)/Reminder 2 (Demanded).
3) Click on Write.
4) Click on Read, to see the effects of your modification.
5) Click on Service/Calibration Performed to reset the schedule.
Acknowledge Faults
Open the menu Device – Acknowledge Faults, select the appropriate item from the Extended
Diagnostics pull-down menu, and click on Transfer.
Wear
Reports the number of hours the device has been operating, and the number of times it has
been powered up.
Open the menu Device – Wear to view:
• Powered Hours
• Power-on Resets
Simulation
The Simulation parameter influences output to the control system.
Note:
Two options enable you to test the functioning of the Analog Input Function Blocks or the
functioning of everything between the Transducer Block and Output. For more details see
Analog Input Function Blocks 1 and 2
Simulate Analog Input to AIFB1 or AIFB2
Allows you to input a simulated measured value, status, and quality, in order to test the
functioning of an Analog Input Function Block.
1) Open the menu Device – Simulation, and select the desired function block.
7ML19985JF04 SITRANS LR250 (PROFIBUS PA) – OPERATING INSTRUCTIONS
on page 142.
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