Siemens SITRANS LUT400 Operating Instructions Manual page 82

Ultrasonic controllers
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2.
Enter the curve values from this chart into level and volume breakpoint tables (see
2.6.7. Table 1-8
If breakpoints are entered via LUI, then an upload is performed via PDM, a
Note:
second upload via PDM may be necessary to transfer the breakpoint values.
3.
Ensure extra points are added around sharp transitions in the vessel volume (e.g:
steps in a well wall).
The end points in the curve are 0,0 (fixed) and the point defined by
Note:
Maximum Level and Maximum Volume.
Example chart (with 15 of possible 32 Level and Volume breakpoints defined):
MAX VOLUME
0,0
Parameter
2.6.7.1. Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Level 12
Level 13
Level 14
Level 15
Page 74
SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS
).
LEVEL
Breakpoints
Value
0.0
0.8
2.0
3.5
4. 1
4.7
5. 1
5.2
5.3
5.4
5.5
5.6
6.0
7.2
9.0
Description
Determines the Level breakpoints at which
the volumes are known.
MAX LEVEL
A5E33329501

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