Siemens SITRANS Probe LU Kurzanleitung Seite 12

2. Set P001: Operation (measurement mode)
Notes:
• Setting P001 resets Span (P007), unless Span has previously been set to a different value.
• Changing P001 may reset Output Function (P201): this applies to HART only.
Level returns distance to material level referenced from Empty (process empty level). The
1 *
reading is returned in volumetric units if parameters 050 to 055 are set to enable this.
Values
2 Space returns distance to material level referenced from Span (process full level).
3
Distance returns distance to material level from reference point (transducer face).
mA Output with Level, Space, and Distance operation
Level
(P001 = 1)
transducer
face
Span
P007
P006
Empty
3. Set Measurement Response (P003)
1 * slow
Values 2 medium
3 fast
Set P003 to a measurement response speed
just faster than the maximum filling or
emptying rate (whichever is greater).
5. Set process empty level (P006: Empty)
Note:
• P006 and P007 are interlinked: see
notes attached to P007.
0.0000 to 6.000 m (20 ft) or
Range
0.0000 to 12.000 m (40 ft)
Values
Default Maximum range
Empty can be set to any distance: not necessarily
the bottom of the tank.
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Space
(P001 = 2)
(20 mA)
Span
100%
Level
Empty
0%
(4 mA)
4. Select measurement units (P005)
0.1m/minute
1m/minute
10m/minute
Distance
(P001 = 3)
(4 mA)
0%
Space
100%
(20 mA)
meters
1 *
centimeters
2
millimeters
Values 3
feet
4
inches
5
Level Setup
transducer
face
Span 100%
P007
P006
Level
Empty
0%
0%
(4 mA)
Span
Distance
Empty
100%
(20 mA)
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