Rockwell Automation 5370-CMPK Color CVIM Module MATH-PAK - Manual (Page 24)

Chapter 4
Defining Formulas
4–9
Example Formula Entry
To enter this formula: AVG (GAGE1,GAGE2)
*
0.250
•
Select an undefined formula (see “Selecting a Formula” in this chapter),
and pick the
Set formula box to access the formula entry keyboard.
•
Pick the AVG key on the formula entry keyboard (located on the
secondary key set). The formula keyboard display shows:
= AVG( ?
Formula:
Cursor
The “?” indicates the formula is incomplete to this point; the cursor
indicates the point at which the next component will be entered.
•
Pick G (on the initial key set), to begin to enter the GAGE1 operand:
= AVG( GAGE0 ?
Formula:
•
Pick 1 , to complete the entry of the GAGE1 operand:
= AVG( GAGE1 ?
Formula:
•
Pick “ , ” (comma) , then G , then 2 :
= AVG( GAGE1, GAGE2 ?
Formula:
•
Pick “ ) ” (close parenthesis) on the secondary key set. The formula is
now correct in syntax at this point; the “?” disappears:
= AVG( GAGE1, GAGE2 )
Formula:
•
Pick “
*
” , then “.” (decimal point), then 2, then 5 :
= AVG( GAGE1, GAGE2 )
*
0.25
Formula:
Pick the Ret key to save the formula; a result is displayed:
= AVG( GAGE1, GAGE2 ) * 0.250
Formula: result: 602.000