Rockwell-automation 1771-IJ_IK IK ENCODER/COUNTER MODULES Instrukcja Użytkownika Pobierz pdf (Strona 57)

7–3Special Programming

Publication 1771ĆUM006B-EN-P - June 2002

Figure 7.2

Ladder Logic for Extending the Count Beyond 999 (PLC-3 Program)

RUNG NUMBER RMO

RUNG NUMBER RM1

] / [

WN005:0002

C0100

( CU )

C0100

( DN )

C0100

( CD )

C0100

( DN )

WN005:0002

RUNG NUMBER RM2

RUNG NUMBER RM3

MVM

MOVE WITH MASK

A : WB002:0200

0110000101011100

B : WB005:0000

000011111111111111

R : WB005:0001

0000000101011100

MOV

MOVE FROM A TO R

A : WB005:0001

0000000101011100

R : WN005:0000

348

LES

A < B

A : WN005:0002

B : WN005:0003

-500

SUB

A - B = R

A : WN005:0000

348

B : WN005:0001

348

R : WN005:0002

GRT

A > B

A : WN005:0002

B : WN005:0004

500

CTU

COUNTER UP C0100

CP = 32000

CA = 4

CTD

COUNTR DOWN C0100

CP = 32000

CA = 4

MOV

A : WN005:0000

348

R : WN005:0001

MOVE FROM A TO R

] [

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 67 68

Encoder/Counter 1
AllenĆBradley 1
Using This Manual 3
Important User 4
Information 4
Using This Manual P–3 5
Using This ManualP–4 6
Table of Contents 7
Introduction 9
Figure 1.1 10
Status Indicators 11
System Power 12
External Power 12
Preliminary Adjustments 13
Count Resolution 14
Encoder Counter Selection 14
Figure 2.1 15
Input Pulses 15
Binary/BCD Data Format 16
Figure 2.2 17
Assembly SWĆ2 17
Table 2.D 18
Switch 1 Switch 2 Switch 3 18
Setting Switch Assemblies 19
2–8 Preliminary Adjustments 20
1 2, 3 4 5 20
Installation 21
Module Placement 22
Recommended Cable 22
Figure 3.1 23
Shielded Cable 24
Specifications 25
3–6 Installation 26
Module/Processor 27
Communication 27
Outputs Words 28
Input Status Word 28
• Marker input is high 29
Single Transfer Programming 31
Figure 5.1 32
Preset Words 34
Single Transfer 35
Description 35
Figure 5.4 36
Figure 5.5 37
Multiplexing 38
Table 5.A 39
Scan Count Sequencing 39
Scan Counter Ć PLC Processor 40
• is off at all times 41
Example Program Ć Single 42
Transfer 42
Block Transfer Programming 45
6–3Block Transfer Programming 47
Example Block Transfer 49
Programs 49
Rung Descriptions 50
PLCĆ3 Family Processors 51
Figure 6.6 52
PLCĆ5 Family Processors 53
Figure 6.8 54
Special Programming 55
Figure 7.1 56
Figure 7.2 57
7–4 Special Programming 58
Grounding Guidelines." 61
SpecificationsA–4 62
Publication Problem Report 65
BUSINESS REPLY MAIL 66
Support Services 67
PN957678-18 68

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