Parameter reference
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG
139
Master Reset (4.1.)
Note
Following a reset to Factory Defaults
, complete reprogramming is required.
Resets all parameter to factory defaults, with the following exceptions:
●
Device Address (5.1.) remains unchanged if the reset command is sent remotely (via
AMS, PDM, DTM, FC375) but is reset to 0 if the reset command is sent via LUI.
● Write Protect (6.2.1.) and PIN to Unlock (6.2.2.) values are not reset.
● Auto False Echo Suppression (2.8.7.1.) learned TVT and Auto False Echo Suppression
Range (2.8.7.2.) are not lost.
Idle or Done (Return to previous menu)
To perform a reset to factory defaults via SIMATIC PDM, open the menu Device – Master
Reset and click on Factory Defaults.
Remaining Device Lifetime (4.2.)
Default settings in the parameter tables are indicated with an asterisk (*) unless explicitly
stated.
Four sets of parameters allow you to monitor the Device/Sensor Lifetimes and set up
Maintenance/Service schedules, based on operating hours instead of a calendar-based
schedule. See also
Remaining Sensor Lifetime (4.3.)
,
, and
Calibration Schedule (4.5.)
.
Performing a reset to
will reset all the Maintenance Schedule
parameters to their factory defaults.
The device operates in years. To view Remaining Device Lifetime parameters in hours or
days (via SIMATIC PDM only) see
Lifetime (Expected) (4.2.1.)
.
The device tracks itself based on operating hours and monitors its predicted lifetime. You
can modify the expected device lifetime, set up schedules for maintenance reminders, and
acknowledge them.
The maintenance warnings and reminders are available through HART communications.
This information can be integrated into an Asset Management system. For optimal use, we
recommend that you use SIMATIC PCS7 Asset Management Software in conjunction with
SIMATIC PDM.
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