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

Page 32

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background image

Programming

Chapter 3

3Ć24

Figure 3.15

AF4 Division Function Format After Address Entry

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

S

Digit 1

(MSD)

Digit 2

Digit 3

Bit No.

Data Address

Digit 5

Digit 6

Digit 4

(LSD)

Operand 1

S

Digit 1

(MSD)

Digit 2

Digit 3

Digit 5

Digit 6

Digit 4

(LSD)

Operand 2

S

Digit 1

(MSD)

Digit 2

Digit 3

Result Address

Digit 5

Digit 4

Result

D

E

E = Enable Bit (1 = Function in Progress)

S = Sign Bit (1= Negative)

D = Done Bit (1 = Function Complete)
MSD = Most Significant Digit

LSD = Least Significant Digit

11491

Digit 8

Digit 9

Digit 11

Digit 12

Digit 10

(LSD)

Digit 6

Digit 7

ER

ER = Illegal Operand (Divide by Zero)

201

202

203

204

305

306

307

310

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