Learning RSLogix 5000 Programming电子书

Learning RSLogix 5000 Programming

Table of Contents

Learning RSLogix 5000 Programming

Credits

About the Author

About the Reviewers

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Preface

What this book covers

Safety warning – loss of control/view

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. ControlLogix and CompactLogix Overview and Firmware

A brief history of Rockwell Automation

Integrated Architecture

ControlLogix controllers

Logix operating cycle

ControlLogix series 6 controllers

ControlLogix series 7 controllers

Selecting a ControlLogix controller

GuardLogix safety controllers

Extreme environment controllers

CompactLogix controllers

CompactLogix 5370 controllers

Selecting a CompactLogix controller

ControlLogix software and firmware

Product Selection Toolbox

Rockwell Automation Product Catalog for iPad

Summary

2. Industrial Network Communications

Key terms in industrial communications

Network communication technologies

Primary network technologies

DeviceNet

ControlNet

EtherNet/IP

Legacy network technologies

Data Highway Plus

Universal Remote I/O

Serial Real-time Communications System

SynchLink

DH-485 and DF1

A comparison of network communications

EtherNet/IP Capacity Tool

Using EtherNet/IP Capacity Tool

RSLinx

RSLinx communication using ControlLogix and a USB connection

The Rockwell Automation Integrated Architecture Builder mobile app

Summary

3. Configuring Logix Modules

Module terminology

Module types

Analog modules

Digital modules

Communication modules

Controller modules

Specialty modules

Logix terminal blocks

Configuring a ControlLogix module

Logix module – Catalog Numbers

Special features of a module

Addressing module I/O data

Exploring module addresses

Buffering module I/O data

Configuring remote racks with RSNetWorx

Summary

4. SoftLogix

SoftLogix system overview

SoftLogix controllers

Components of a SoftLogix solution

SoftLogix 5800 versus RSLogix Emulate 5000

Working with SoftLogix

SoftLogix 5800 Chassis Monitor

Configuring the RSLinx virtual-backplane driver

Creating a Logix Designer SoftLogix project

Configuring the 1789-SIM module in the Logix Designer project

Simulating values using the 1789-SIM module

Summary

5. Writing Ladder Logic

Ladder logic overview

IEC 61131-3

Understanding programming logic

AND logic in ladder

OR logic in ladder

NOT logic in ladder

How to write ladder logic

Buffering I/O data

Defining tags

Buffering base tags

Buffering using program parameters

Summary

6. Writing Function Block

Language compilation overview in Logix

The function block overview

Understanding FBD

Function block versus ladder logic

The function block sheets

The function block elements

Function block wiring

Function block logic

The AND logic function block

The OR logic function block

The NOT logic function block

Writing a function block program

Online monitoring and editing

The FBD properties

Adding and naming sheets to a routine

Adding a textbox to a function block routine

Hiding and showing function block pins

Assigning a constant value to a function block

Summary

7. Writing Structured Text

An introduction to structured text programming

Typical usage of structured text

The structured text editor

Writing structured routines

Simple routine

Structured text syntax

Operators

Assignment operator

Non-retentive assignment operator

Retentive versus non-retentive assignment operators

Buffering structured text I/O module values

Relational operators

Logical operators

Arithmetic operators

Expressions

Instructions

Arithmetic instructions

ORSI instruction

Constructs

The IF THEN construct

The CASE OF construct

The FOR DO construct

Summary

8. Building Sequential Function Charts

Introducing sequential function charts

Typical usage of SFCs

The SFC editor

Defining the SFC steps

Defining the SFC actions

Defining the SFC transitions and branches

Defining the SFC stop element

A backwash SFC routine

Summary

9. Using Tasks and Programs for Project Organization

Introducing project organization in Logix

Organizational units in Logix

Controller tasks

Controller programs

Controller routines

Controller task types

Continuous tasks

Periodic tasks

Event tasks

Best practices of Logix task usage

Creating a task

Inhibiting programs and tasks

Setting task priorities

Tuning a Logix controller

System overhead time slice

Setting the system overhead time slice

Monitoring task execution time and overlap

Task watchdog time

Logix5000 Task Monitor tool

Summary

10. Faults and Troubleshooting in Logix

General troubleshooting and support for Logix

An introduction to troubleshooting faults

Faults

Clearing a fault

Fault handling and recovery

Get System Value and Set System Value

User-defined data types

Trapping a fault

Rockwell troubleshooting application for iPad and iPhone

Summary

A. Rockwell Automation Literature Library Resource

Index