Rockwell-automation 5370-CMPK Color CVIM Module MATH-PAK Instrukcja Użytkownika Pobierz pdf (Strona 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

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Rockwell-automation 5370-CMPK Color CVIM Module MATH-PAK Instrukcja Użytkownika Strona 24