Programming chapter 3 – Rockwell Automation 1772-AF4,D17726.5.3 User Manual, AUX FUNCT PROM User Manual

Page 57

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background image

Programming

Chapter 3

3Ć49

Figure 3.48

AF4 Sine Function Format After Address Entry

17 16 15 14 13 12 11 10 7 6 5 4 3 2 1 0

Digit 1

(MSD)

Digit 2

Bit No.

Data Address

Digit 2

Operand

Digit 5

Result Address

Result

D

E

E = Enable Bit (1 = Function in Progress)

S = Sign Bit (1 = Negative)
MSD = Most Significant Digit

LSD = Least Significant Digit

11515

Digit 3

(LSD)

Digit 3

Digit 1

(MSD)

Digit 4

Digit 6

(LSD)

D = Done Bit (1 = Function Complete)

S

S

205

310

311

4.

Enter an angle value in degrees (operand).

You can enter the angle from the keyboard of your industrial terminal or
through ladder diagram functions. Entry of 080 for the angle produces the result
sine 080

0

= 0.98480 (Figure 3.49).

Figure 3.49

AF4 Sine Function Format After Execution

17 16 15 14 13 12 11 10 7 6 5 4 3 2 1 0

Bit No.

Data Address

Operand

Result Address

Result

D

E

E = Enable Bit (1 = Function in Progress)

S = Sign Bit (1 = Negative)

11516

D = Done Bit (1 = Function Complete)

S

S

205

310

311

0

8

0

0

9

8

4

8

0

(0)

(0) (0) (1)

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