2 foundation fieldbus, 10 .2 foundation fieldbus – VEGA VEGAFLEX 62 Foundation Fieldbus User Manual
Page 54
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10
.2 Foundation Fieldbus
Block diagram, measured value processing
The following illustration shows the Transducer Block (TB) and Function block (FB) in simplified form.
t
i
Simulate
ALARMS
Out
PV
FIELD-VALUE
Mode & Status
PVF-TIME
LOW-CUTOFF
L-TYPE
OUT-SCALE
PV-SCALE
DIRECT
INDIRECT
INDIRECT
SQRT
m(d)
%
Lin%
Primary
Value
Secondary
Value 2
Secondary
Value 1
AI 2
AI 1
TB
Dist. Interface
Dist. Level
min/max
adjustment
Linearization
Channel = 1: Primary Value
Channel = 2: Secondary Value 1
Channel = 3: Secondary Value 2 (Distance Interface)
Channel = 5: Total Sensor Value (Distance Level)
Fig. 33: VEGAFLEX 62 measured value processing
54
VEGAFLEX
62 • Foundation Fieldbus
10 Supplement
31840
-EN
-100426
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