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Allen-Bradley 1768-L43 CompactLogix 5343 User Manual

Allen-Bradley 1768-L43 CompactLogix 5343
90 pages
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Programming Manual
Logix5000 Controllers I/O and Tag Data
Catalog Numbers
1756 ControlLogix, 1756 GuardLogix, 1768 Compact GuardLogix, 1769 CompactLogix, 1789 SoftLogix, PowerFlex
with DriveLogix

Table of Contents

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Allen-Bradley 1768-L43 CompactLogix 5343 Specifications

General IconGeneral
Power Supply24V DC
Ethernet/IP Ports1
Ethernet Port Speed10/100 Mbps
SeriesCompactLogix
Processor TypeCompactLogix 5343
Memory3 MB
Operating Temperature0 to 60 °C (32 to 140 °F)
I/O Modules SupportedCompact I/O
CertificationsCE
I/O CapacityUp to 30 modules

Summary

Preface

Studio 5000 Engineering and Design Environment and Logix Designer Application

Overview of the Logix Designer application and its environment, used for programming Logix5000 controllers.

Purpose of This Manual

Explains the manual's scope and content, focusing on accessing I/O and tag data in Logix5000 controllers.

Chapter 1 Communicate with I/O Modules

Electronic Keying

Feature to compare physical modules with configured ones to prevent communication mismatches.

Direct or Rack-Optimized Connection

Explains two connection methods for I/O modules: direct and rack-optimized.

Address I/O Data

Details the format and structure of I/O addresses used for tags in the system.

Buffer I/O

Technique to copy I/O data to prevent changes during program execution.

Chapter 2 Organizing Tags

Data Type

Defines tag data types and lists common types with their uses.

Create an Array

Guide on creating tags that store blocks of similar data elements.

Creating a User-defined Data Type

Process for creating custom data types (structures) to organize complex data.

Alias Tags

How to create tags that represent other tags, sharing their values.

Chapter 3 Force I/O

When to Use I/O Force

Guidelines on when and why to use I/O forcing for testing or temporary overrides.

Add an I/O Force

Step-by-step instructions for applying an I/O force to override tag values.

Remove or Disable Forces

Procedures for stopping or disabling active forces to resume normal program execution.

Chapter 4 Data Access Control

Configure External Access

How to control external application access to tag data using the External Access attribute.

Constant Value Tags

Designating tags as constants to protect them from programmatic modification.

Add-On Instructions Constant Value Considerations

Specific rules and implications for using constants with Add-On Instructions.

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