Rockwell-automation 1772-AF3,D17726.5.2 User Manual AUX FUNCT PROM User Manual download pdf (Page 17)

File Search Instruction

Chapter 3

39

Figure 3.10

Example

File Search Logic

RTO

0030

030

0040

000

0.1

PR 015

AC 000

040

030

0030

PR 015

RTR

AC 000

0041

000

PUT

0031

0040

Execute Aux

Function

Funtion Number:

Data Addr:

Rresult Addr:

Figure 3.11

Example Data Entry

Word Bit Location

Location 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Hex Equivalent

0031

0032

0033

0034

0040

0041

0 0 0 0

1 0 0 1

0 0 0 1

0 0 0 0

1 0 0 1

0 0 1 1

0 0 0 0

1 0 0 1

0 0 0 1

0 0 0 0

999

131

000

0000

where values are astored as follows:

0031 file length of 999

0032 address of instrucction file, lower 3 digits (131)

0033 address of instruction file, upper 3 digits (000)

0034 match word data

0040 zero at start up

0131 instruction file words all containing zeros

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 31 32

Auxiliary Function PROM 1
(Cat. No. 1772AF3) 1
Table of Contents 2
Introduction 3
Chapter 1 5
Functions 5
Chapter 6
Installation 6
Chapter 2 8
File Search Instruction 10
Chapter 3 10
Enabling the Instruction 13
Function of Control Bits 14
File Diagnostic Instruction 18
Diagnostic Instruction 19
Chapter 4 19
Programming the File 19
Instruction Execution Time 25
Response To Errors in 25
UserEntered Data 25
Example Programs 26
Programming Check List 29
Appendix 30
AF3 PROM Handling 30
Recommendations and 30
Precautions 30
With major offices worldwide 32

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