Siemens SITRANS Probe LU Operating Instructions Manual page 71

P920 Reading Measurement
P920 corresponds to the final reading after all programming is applied. It is a copy of one
of P921 to P924, depending on the setting for Operation (P001).
Related
parameters
P920 Values
(view only)
Level
(P001 = 1)
transducer
face
Span
P007
P006
Empty
P921 Material Measurement
Displays the distance between Empty /process empty level (P006) and the monitored
surface, in Units (P005) or percent of Span (P007).
Values (view only)
P922 Space Measurement
Displays the distance between the monitored surface and Span / process full level (P007).
Values (view only)
A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS
Operation P001
Off
0
Level
1
Space
2
Distance
3
Range:
Space
(P001 = 2)
20 mA
Span
100%
Level
Empty
0%
4 mA
Range
Range
Source Parameter for P920
– – – –
P921 if P050 = 0, otherwise P924
P922
P923
–99999 to 99999 (dimensional units, if volume
has not been selected)
Distance
(P001 = 3)
4 mA
0%
Space
100%
20 mA
–99999 to 99999
–99999 to 99999
4 mA
0%
Distance
Empty
100%
20 mA
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