Siemens SITRANS LR250 Instruction Manual page 91

4. Service
4.1. Factory Reset
Resets all parameters to their factory settings, with the following exceptions:
• the Lock and Unlock values are not reset.
• The learned TVT curve is not lost.
• In Edit Mode, only the Factory Default performs a Factory Reset. The
Following a Master Reset, complete reprogramming is required.
Note:
Options
To peform a factory reset via SIMATIC PDM, open the menu Device –
Master Reset.
4.2. Powered Hours
Displays the number of hours the unit has been powered up since manufacture.
4.4. Power-on Resets
The number of power cycles that have occurred since manufacture.
4.7. Manufacture Date
The date of manufacture of the SITRANS LR250 (yy mm dd).
4.8. Software Revision
Corresponds to the software or firmware that is embedded in the SITRANS LR250.
4.9. Loader Revision
Corresponds to the software used to update the SITRANS LR250.
4.11. Hardware Revision
Corresponds to the electronics hardware of the SITRANS LR250.
4.12. Memory Test
Allows verification of the RAM, EEPROM, and Flash Memory of the SITRANS LR250.
Values (Read only)
Press any numeric key to activate the test. The reading will first display buSY,
then the test result text.
7ML19985JE01
Idle or Done setting returns you to the previous menu.
* Idle or Done (Return to previous menu)
Factory Default (Factory Reset Performed)
PASS Memory test successful
IdLE No test in progress
buSY Test in progress
FAIL Test failed
Fxxxx Memory address that failed memory test.
SITRANS LR250 (HART) – INSTRUCTION MANUAL Page 87