Book Image

Learning RSLogix 5000 Programming, - Second Edition

By : Austin Scott, Austin Scott
Book Image

Learning RSLogix 5000 Programming, - Second Edition

By: Austin Scott, Austin Scott

Overview of this book

Understanding programmable logic controller (PLC) programming with Rockwell Software’s Logix Designer and the Studio 5000 platform, which includes ControlLogix, CompactLogix, and SoftLogix, is key to building robust PLC solutions. RSLogix 5000/Studio 5000’s Logix Designer are user-friendly IEC 61131-3-compliant interfaces for programming the current generation of Rockwell Automation Controllers using Ladder Diagram (LD), Function Block Diagram (FBD), Structured Text (ST), and Sequential Function Chart (SFC). This second edition of Learning RSLogix 5000 Programming guides you through the technicalities and comes packed with the latest features of Studio 5000, industrial networking fundamentals, and industrial cybersecurity best practices. You’ll go through the essential hardware and software components of Logix, before learning all about the new L8 processor model and the latest Studio 5000 architecture to build effective integrated solutions. Entirely new for this edition, you’ll discover a chapter on cybersecurity concepts with RSLogix 5000. The book even gets you hands-on with building a robot bartender control system from start to finish. By the end of this Logix 5000 book, you’ll have a clear understanding of the capabilities of the Logix platform and be able to confidently navigate Rockwell Automation Literature Library resources.

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Table of Contents (21 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
1
Section 1: Introduction to RSLogix
Section 1: Introduction to RSLogix
Free Chapter
2
The History of Rockwell Automation Technologies
The History of Rockwell Automation Technologies
Controlling equipment with water, air, and power
A brief history of Rockwell Automation
Understanding Integrated Architecture
Summary
Further reading
Questions
3
Understanding ControlLogix
Understanding ControlLogix
Technical requirements
Introducing ControlLogix controllers
Selecting a ControlLogix controller
The Rockwell Automation Compatibility and Download Center
Introducing GuardLogix safety controllers
Introducing extreme environment controllers
Understanding the ControlLogix operating cycle
Summary
Questions
Further reading
4
Understanding CompactLogix
Understanding CompactLogix
Technical requirements
Introducing CompactLogix controllers
Navigating the CompactLogix controller family
CompactLogix deprecated controllers
CompactLogix 5370 controllers
CompactLogix 5380 controllers
CompactLogix 5480 controllers
Identifying compatible products
Summary
Further reading
Questions
5
Understanding SoftLogix
Understanding SoftLogix
Technical requirements
Learning about SoftLogix
Understanding SoftLogix controllers
Understanding the components of a SoftLogix solution
Working with SoftLogix
Summary
Questions
Further reading
6
Understanding Logix Emulate 5000
Understanding Logix Emulate 5000
Technical requirements
Learning about Logix Emulate 5000
Working with Logix Emulate 5000
Summary
Questions
Further reading
7
Section 2: Logix Programming Basics
Section 2: Logix Programming Basics
8
Industrial Network Communications
Industrial Network Communications
Technical requirements
Understanding the key terms in industrial communications
Learning about modern network communication technologies
Understanding legacy network technologies
Comparing network communication technologies
Working with EtherNet/IP Capacity Tool
Using RSLinx Classic and FactoryTalk Linx
Using Rockwell Automation Integrate Architecture Builder
Networking safety systems
Summary
Questions
Further reading
9
Configuring Logix Modules
Configuring Logix Modules
Technical requirements
Understanding the module terminology
Learning about the module types
Introducing Logix terminal blocks
Configuring a ControlLogix module
Reading Logix module catalog numbers
Learning about the module special features
Addressing module I/O
Configuring remote racks with RSNetWorx
Summary
Questions
Further reading
10
Writing Ladder Logic
Writing Ladder Logic
Technical requirements
Ladder Logic overview
Understanding IEC 61131-3
Understanding IEC programming logic
Programming Ladder Logic
Buffering module I/O data
Buffering using program parameters
Summary
Questions
Further reading
11
Writing Function Block
Writing Function Block
Technical requirements
Understanding language compilation in Logix
Introducing Function Block
Understanding Function Block logic
Creating a Function Block program
Online monitoring and editing
Summary
Questions
Further reading
12
Writing Structured Text
Writing Structured Text
Technical requirements
Applying ST programming
Writing structured routines
Using ST operators
Using expressions
Understanding instructions
Using the OSRI instruction
Understanding the ST constructs
Summary
Questions
Further reading
13
Building Sequential Function Charts
Building Sequential Function Charts
Technical requirements
Introducing SFCs
Applying SFCs
Using the SFC editor
Building a backwash SFC routine
Summary
Questions
Further reading
14
Section 3: Advanced Logix Programming
Section 3: Advanced Logix Programming
15
Using Tasks and Programs for Project Organization
Using Tasks and Programs for Project Organization
Technical requirements
Introducing project organization in Logix
Understanding the organizational units in Logix
Learning about the controller task types
Applying the best practices of Logix task usage
Creating a task
Inhibiting programs and tasks
Setting task priorities
Tuning a Logix controller
Summary
Questions
Further reading
16
Faults and Troubleshooting in Logix
Faults and Troubleshooting in Logix
Technical requirements
Troubleshooting Logix solutions
Troubleshooting Logix faults
Clearing a fault
Fault handling and recovery
Programmatically clearing faults
Learning about UDTs
Understanding FactoryTalk TeamONE
Summary
Questions
Further reading
17
Understanding Cybersecurity Practices in Logix
Understanding Cybersecurity Practices in Logix
Technical requirements
The Rockwell Industrial Security Advisory Index
Introducing RSLogix security features
Understanding Converged Plantwide Ethernet architectures
Introducing Common Industrial Protocol (CIP) Security for EtherNet/IP
Implementing CIP Security
Summary
Questions
Further reading
18
Building a Robot Bartender in Logix
Building a Robot Bartender in Logix
Technical requirements
Building and housing a robot bartender
Acquiring ControlLogix parts for this project
Purchasing a ControlLogix 1756-PA75 rack power supply
Selecting a ControlLogix chassis
Selecting a ControlLogix CPU
Selecting a ControlLogix EtherNet/IP card
Selecting a ControlLogix digital output module
Understanding the ControlLogix digital output module features
Selecting a ControlLogix digital input module
Understanding the ControlLogix digital input module features
Using RTBs
Estimating a robot bartender project budget
Selecting the robot bartender bottles and recipes
Building a ControlLogix rack
Wiring the ControlLogix digital output cards
Wiring ControlLogix digital input cards
Writing the robot bartender ladder logic
Writing robot bartender recipes in Ladder Logic
Summary
Questions
Further reading
19
Assessments
Assessments
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
20
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Selecting a ControlLogix EtherNet/IP card

As mentioned in the last section, we could program and manage our ControlLogix program using a serial cable connection; however, having an IP-based connection is much more practical. In most cases, a ControlLogix EtherNet/IP card is required for us to connect to our controller using an Ethernet connection. Although it is possible to purchase L8 CPUs that have an integrated Ethernet connection, it is much cheaper to purchase a used CPU and an EtherNet/IP card separately. With that being said, when you are buying a new ControlLogix CPU, it is cheaper to buy the L8 than an L7 and an EtherNet/IP card separately.

The following is a photo of the EtherNet/IP card that I will be using for the Robot Bartender project:

I will be using the 1756-ENBT/EtherNet/IP module, although any 1756 Ethernet communication modules will suffice. Now that we have our power supply, rack, CPU, and network connectivity sorted...

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