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Rockwell Automation 1747-PT1, D1747NP002 Hand-Held Terminal User Manual

Page 244

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Chapter 17
Timer and Counter Instructions

17–12

JSR

JUMP TO SUBROUTINE
SBR file number

3

SBR

SUBROUTINE

RET

RETURN

]/[

] [

C5:0

DN

( )

JSR

JUMP TO SUBROUTINE
SBR file number

3

JSR

JUMP TO SUBROUTINE
SBR file number

3

] [

C5:0

DN

] [

C5:0

DN

] [

( )

] [

(U)

C5:0

DN

0

1

20

21

] [

6

16

31

Program File 3 – Execute HSC Logic

Program File 2 – Poll for DN Bit in Main Program File

Rung

Rung

Unlatch
DN Bit

]/[

] [

( )

] [

]/[

] [

( )

] [

]/[

] [

( )

] [

]/[

] [

( )

] [

HSC
Application
Logic