VEGA VEGAPULS 68 (≥ 2.0.0 - ≥ 4.0.0) Foundation Fieldbus - Manual (Page 75)

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11 Supplement
VEGAPULS 68 • Foundation Fieldbus
36538-EN-121011
The following algorithms are available:
•
Flow compensation, linear
•
Flow compensation, square root
•
Flow compensation, approximate
•
BTU flow
•
Traditional Multiply Divide
•
Average
•
Traditional Summer
•
Fourth order polynomial
•
Simple HTG compensated level
•
Fourth order Polynomial Based on PV
Fig. 62: Schematic presentation function block Arithmetic
11.2 Parameter list
The following table gives you an overview of the parameters used.
FF desciptor Description Unit
PRIMARY_VALUE PRIMARY_VALUE (Linearized value). This is the process val-
ue after min/max adjustment and Linearization with the status
of the transducer block. The unit is defined in "PRIMARY_VAL-
UE_UNIT"
PRIMARY_VALUE_UNIT Selected unit code for "PRIMARY_VALUE"
SECONDARY_VALUE_1 This is the measured value after min/max adjustment with the
status of the transducer block. The unit is defined in "SECOND-
ARY_VALUE_1_UNIT"
SECONDARY_VALUE_1_
UNIT
Selected unit code for "SECONDARY_VALUE_1"
SECONDARY_VALUE_2 This is the distance value ("sensor_value") with the status of the
transducer block. The unit is defined in "SECONDARY_VAL-
UE_2_UNIT"
FILL_HEIGHT_VALUE Filling height. The unit is defined in "FILL_HEIGHT_VALUE_
UNIT"
FILL_HEIGHT_VALUE_UNIT Filling height unit
CONST_VALUE
Constant value