United Security Products AVD-45c Manual Pagina 107

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1/03 UDC 6300 Process Controller Product Manual 93
4.6 Algorithm Data Set Up Group, Continued
Table 4-5 Algorithm Group Definitions, continued
Lower Display
Prompt
Upper Display
Range of Setting
or Selection
Parameter
Definition
POLY NOM
DISABLE
INPUT 1
INPUT 2
INPUT 3
INPUT 4
INPUT 5
POLYNOMIAL EQUATION - A fifth order Polynomial
Equation can be used on any one of the five Analog
Inputs.
The equation is in the form:
Y = C
5
* 10
-7
X
5
+ C
4
* 10
-5
X
4
+ C
3
* 10
-3
X
3
+ C
2
* 10
-1
X
2
+ C
1
X +C
0
Where:
X is the analog input selected in % of span
X% =
X
EU
Span EU
100
C
0
is a value between –99.99 to +99.99
C
1
- C
5
are values between –9.999 to +9.999
Ratio and Bias can be applied on the "Y" output term
as follows:
Calculated "Y" Value =Y * Input x Ratio + InputX
Bias
Where:
"X" refers to the analog input (in % of span)being used
and the range assigned to the "X" input chosen
applies to the "Y" calculated value.
After the Polynomial is enabled, refer to the prompts
listed below and enter the coefficients.
C0 VALUE
–99.99 to 99.99
POLYNOMIAL COEFFICIENT C0
C1 VALUE
–9.999 to 9.999
POLYNOMIAL COEFFICIENT C1
C2 X 10
-1
–9.999 to 9.999
POLYNOMIAL COEFFICIENT C2
C3 X 10
-3
–9.999 to 9.999
POLYNOMIAL COEFFICIENT C3
C4 X 10
-5
–9.999 to 9.999
POLYNOMIAL COEFFICIENT C4
C5 X 10
-7
–9.999 to 9.999
POLYNOMIAL COEFFICIENT C5
Table 4-5 continued on next page
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