Download Operating Instructions - VEGABAR 51

Transcript
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.
Sensor mounting
correction
Sensor_Value
adjustment
bar
Linearization
%
Lin%
Temperature
TB
ALARMS
PVF-TIME
L-TYPE
Mode & Status
Simulate
DIRECT
Primary
Value
LOW-CUTOFF
Secondary
Value 2
OUT-SCALE
PV-SCALE
Secondary
Value 1
PV
Out
INDIRECT
ti
INDIRECT
SQRT
FIELD-VALUE
AI 2
AI 1
Channel = 1: Primary Value
Channel = 2: Secondary Value 1
Channel = 3: Secondary Value 2
Channel = 4: Temperature
AI 3
Fig. 28: Transducer Block VEGABAR 51
TB Transducer Block
AI Function Block (AI =Analogue Input)
Diagram, adjustment
The following illustration shows the function of the adjustment:
Secondary_value_2
100 %
0%
scale_in_0 scale_in_100
scale_in_0
0
Sensor_value
scale_in_100
%
-0,500
0,500
100
%
bar
Fig. 29: Adjustment VEGABAR 51
62
VEGABAR 51 • Foundation Fieldbus
36715-EN-110629
Parameter list
The following list contains the most important parameters and their meaning: