User's Manual

Page 54 SITRANS LR 400 – INSTRUCTION MANUAL DRAFT 7ML19985FH01
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Parameters (Profibus PA)
3.1: Status
3.1.1: Wear
3.1.1.1: Operating
Hours
Total previous operating
time of the device in
hours (approximate value)
non-editable
3.1.1.2: Maximum
temp.
Previous maximum tem-
perature of device
26°C non-editable
3.1.1.3: Minimum
temp.
Previous minimum tem-
perature of the device
26°C non-editable
3.1.1.4: Aging Approximate value for the
previous life of the device
in % (100% = approx. 10
years)
non-editable
3.1.1.5: Hours > 85°C
Previous time during
which the maximum per-
missible sensor tempera-
ture was exceeded in
hours
non-editable
3.1.x: Sensor
and/or
3.1.x: Electronics
and/or
3.1.x: Software
and/or
3.1.x: Application
and/or
3.1.x: Parameters
and/or
3.1.x: Service
Diagnostic messages of
the sensor
non-editable
Diagnostic messages of
the electronics
non-editable
Diagnostic messages of
the software
non-editable
Diagnostic messages to
the application
non-editable
Display of the false
parameters
non-editable
for service purposes only non-editable
3.2: Device test
3.2.1: Self-test Check device state non-editable
3.2.2: Display test Visual check of LCD non-editable
3.3: Sensor variables
3.3.1: Raw value Distance from flange to
measured medium
3.3.2: Echo Amplitude Measure of quality of
reflection
3.3.3: S/N ratio Signal-to-noise ratio of
the measured value in dB
3.3.4: Validity Validity of the measured
value in %
Parameters (Profibus PA)
Device parameter,
parameter, menu
identification
Description
Factory
Setting
Setting
Possibilities
chap6.fm Page 54 Tuesday, October 9, 2001 2:26 PM