2 foundation fieldbus, 10 .2 foundation fieldbus – VEGA VEGAFLEX 65 Foundation Fieldbus Benutzerhandbuch

Seite 46

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background image

10

.2 Foundation Fieldbus

Blockschaltbild Messwertverarbeitung
Die folgende Abbildung zeigt den Transducer Block (TB) und Funktionsblock (FB) in vereinfachter
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)

Abb. 20: Messwertverarbeitung VEGAFLEX 65

46

VEGAFLEX 65 • Foundation Fieldbus

10 A

nhang

31848

-DE

-120319

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