VEGA VEGAFLEX 66 (-200…+400°C) Foundation Fieldbus - Manuale (Pagina 56)

10 .2 F oundation Fieldbus
S chema funzionale elaborazione valore di misura
La seguente figura illustra il Transducer Block (TB) e il Funktionsblock (FB) in forma semplificata.
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)
Figura 31: Elaborazione valore di misura VEGAFLEX 66
56 VEGAFLEX 66 • Foundation Fieldbus
10 Appendice
34176
-IT
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