2 foundation fieldbus, Block diagram, measured value processing, Diagram, adjustment – VEGA VEGACAL 67 Foundation Fieldbus User Manual
Page 40
40
10 Supplement
VEGACAL 67 • Foundation Fieldbus
31760-EN-130917
Ʋ Aluminium and stainless housing, in-
vestment casting (optionally available)
IP 66/IP 68 (1 bar)
Overvoltage category
III
Protection class
II
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-
TIM
E
LO
W
-CU
TO
FF
L-
TYPE
OUT
-SC
ALE
PV
-SC
ALE
DIRECT
INDIRECT
INDIRECT
SQRT
pF
%
Lin%
Primary
Value
Secondary
Value 2
Secondary
Value 1
AI 2
AI 1
TB
Sensor_Value
min/max
adjustment
Linearization
Channel = 1: Primary Value
Channel = 2: Secondary Value 1
Channel = 3: Secondary Value 2
Fig. 21: VEGACAL 67 measured value processing
Diagram, adjustment
The following illustration shows the function of the adjustment: