Rockwell-automation 5370-CMPK Color CVIM Module MATH-PAK Manual de usuario descargar pdf (Pagina 38)

Chapter 4

Defining Formulas

4–23

Modulo operator: %

Format/Usage: The modulo operator (%) performs the “long division”

operation on one operand by a second operand, and yields the whole number

remainder of that division operation. In general, use two operands, placing

the modulo operator in the formula between the two operands. The left

operand is the dividend, the right operand is the divisor.

The modulo operator can be applied in formulas, for example, to produce

binary values from decimal-based integer values.

Example usage: Use the modulo operator to calculate a 5-place “binary”

result from a gage 1 object-counting result (for values 0–31 decimal), using a

series of 10 formulas:

Formula 1:

GAGE1 % 2

Formula 2: GAGE1 / 2

Formula 3: RSLT2 % 2

Formula 4: RSLT2 / 2

Formula 5: RSLT4 % 2

Formula 6: RSLT4 / 2

Formula 7: RSLT6 % 2

Formula 8: RSLT6 / 2

Formula 9: RSLT8 % 2

Formula 10: RSLT9

10000 + RSLT7

1000 + RSLT5

100 + RSLT3

10 + RSLT1

For example, if the gage 1 result were 19:

Formula 1:

19 % 2 (RSLT1=1)

Formula 2: 19 / 2 (RSLT2=9)

Formula 3: 9 % 2 (RSLT3=1)

Formula 4: 9 / 2 (RSLT4=4)

Formula 5: 4 % 2 (RSLT5=0)

Formula 6: 4 / 2 (RSLT6=2)

Formula 7: 2 % 2 (RSLT7=0)

Formula 8: 2 / 2 (RSLT8=1)

Formula 9: 1 % 2 (RSLT9=1)

Formula 10: 1

10000 + 0

1000 + 0

100 + 1

10 + 1 (RSLT 10=10011)

In the above example, the result of formula 10 is 10011, which, if interpreted

as a binary value, would equal 19 (decimal).

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 88 89

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Rockwell-automation 5370-CMPK Color CVIM Module MATH-PAK Manual de usuario Pagina 38

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