86
11 Supplement
VEGAPULS 68 • Foundation Fieldbus
36538-EN-170405
Fig. 64: Schematic presentation function block Input Selector
Function block Arithmetic
The function block "
Arithmetic
" allows the simple integration of usual metrological calculation func-
tions. The user can select the requested measurement algortihm according to the name without
known the formula.
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. 65: Schematic presentation function block Arithmetic
Parameter list
The following table gives you an overview of the parameters used.