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PLC and HMI Development with Siemens TIA Portal

You're reading from   PLC and HMI Development with Siemens TIA Portal Develop PLC and HMI programs using standard methods and structured approaches with TIA Portal V17

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Product type Paperback
Published in Apr 2022
Publisher Packt
ISBN-13 9781801817226
Length 436 pages
Edition 1st Edition
Tools
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Author (1):
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Liam Bee Liam Bee
Author Profile Icon Liam Bee
Liam Bee
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Table of Contents (21) Chapters Close

Preface 1. Section 1 – The TIA Portal – Project Environment
2. Chapter 1: Starting a New Project with TIA Portal FREE CHAPTER 3. Chapter 2: Creating Objects and How They Fit Together 4. Chapter 3: Structures and User-Defined Types 5. Section 2 – TIA Portal – Languages, Structures, and Configurations
6. Chapter 4: PLC Programming and Languages 7. Chapter 5: Working with Languages in TIA Portal 8. Chapter 6: Creating Standard Control Objects 9. Chapter 7: Simulating Signals in the PLC 10. Chapter 8: Options to Consider When Creating PLC Blocks 11. Section 3 – TIA Portal – HMI Development
12. Chapter 9: TIA Portal HMI Development Environment 13. Chapter 10: Placing Objects, Settings Properties, and Events 14. Chapter 11: Structures and HMI Faceplates 15. Chapter 12: Managing Navigation and Alarms 16. Section 4 – TIA Portal – Deployment and Best Practices
17. Chapter 13: Downloading to the PLC 18. Chapter 14: Downloading to the HMI 19. Chapter 15: Programming Tips and Additional Support 20. Other Books You May Enjoy

Considerations that have an impact on usability

When creating standard control objects, there are many different aspects to consider. Key items are listed here:

  • How flexible does the control object need to be?
  • How likely is it that the control object will need to be modified?
  • What does the control object interact with?

These sorts of questions can alter the approach that is taken for the control object being developed.

How flexible does the control object need to be?

A good example of a flexible control object would be an analog scaling standard control object, as illustrated in the following screenshot:

Figure 6.28 – Interface for a standard control object that controls analog scaling

The Scaling_Manager interface pictured in Figure 6.28 has many different inputs that exceed the basic requirements to scale a value. This particular control method is capable of performing the following additional methods:

  • Scaling beyond...
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