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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