Information On Foundation Fieldbus - Vega VEGABAR 66 Operating Instructions Manual

10 Supplement

10.2 Information on Foundation Fieldbus

Block diagram, measured value processing
The following illustration shows the Transducer Block and Function block in simplified form.
Fig. 32: Transducer Block VEGABAR 66
TB Transducer Block
AI Function Block (AI =Analogue Input)
Diagram, adjustment
The following illustration shows the function of the adjustment:
Fig. 33: Adjustment VEGABAR 66
Parameter list
The following list contains the most important parameters and their meaning:
66
Sensor mounting
adjustment
correction
Sensor_Value
bar
Temperature
Secondary Secondary
Value 1 Value 2
DIRECT
INDIRECT
INDIRECT
SQRT
FIELD-VALUE
AI 2
Channel = 1: Primary Value
Channel = 2: Secondary Value 1
Channel = 3: Secondary Value 2
AI 3
Channel = 4: Temperature
Secondary_value_2
100 %
0 %
scale_in_0 scale_in_100
scale_in_0
0 %
-0,500
bar
Linearization
% Lin%
TB
Primary
Value
t
i
PV Out
AI 1
Sensor_value
scale_in_100
100 %
0,500
VEGABAR 66 • Foundation Fieldbus