Applications Guide Tracer Graphical Programming - Trane
Applications Guide Tracer Graphical Programming - Trane Applications Guide Tracer Graphical Programming - Trane
® Chapter 5 Cooling tower with variable-speed fan example Summary questions Answer the following questions to review the skills, concepts, definitions, and blocks you learned in this chapter. The answers to these questions is on page 236. 1. The logic contained in the Feedback Alarm block is a combination of several other blocks. Can you replicate this logic without using the block itself? Focus on one Feedback Alarm relationship, XOR. First construct a sequence of operation. Then write a graphical program. 2. How could you reset the Alarm Reset without using the Switch block? 104 CNT-APG001-EN
® Chapter 6 VAV AHU example In this chapter, you will expand your programming skills. You will use what you learned in Chapter 1 through Chapter 5 to program a variableair-volume (VAV) air handler. Because you are more familiar with graphical programming, this chapter proceeds at a faster pace. Instead of presenting the programs block-by-block, they are presented in a more modular form. Use the sequence of operation to guide you as you create modules that fit into larger programs. Note: Many of the chapters in this book build on previous chapters, so be sure to complete the chapters in the order presented. See “About this book” on page 1 for additional instructions. What you will learn In this chapter, you will learn a variety of skills, concepts, and definitions. Skills You will learn how to: • Interpret increasingly complex sequences of operation, with a focus on VAV air handler applications • Use logic blocks (And, Or, Xor, Not) in combination with each other Concepts and definitions You will understand how to apply graphical programming language to an air-handling unit. Blocks You will learn how to use the following blocks: • Occupancy • De-Enumerator • Network Configuration Input CNT-APG001-EN 105
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®<br />
Chapter 6<br />
VAV AHU example<br />
In this chapter, you will expand your programming skills. You will use<br />
what you learned in Chapter 1 through Chapter 5 to program a variableair-volume<br />
(VAV) air handler. Because you are more familiar with graphical<br />
programming, this chapter proceeds at a faster pace. Instead of presenting<br />
the programs block-by-block, they are presented in a more<br />
modular form. Use the sequence of operation to guide you as you create<br />
modules that fit into larger programs.<br />
Note:<br />
Many of the chapters in this book build on previous chapters, so<br />
be sure to complete the chapters in the order presented. See<br />
“About this book” on page 1 for additional instructions.<br />
What you will learn<br />
In this chapter, you will learn a variety of skills, concepts, and definitions.<br />
Skills<br />
You will learn how to:<br />
• Interpret increasingly complex sequences of operation, with a focus<br />
on VAV air handler applications<br />
• Use logic blocks (And, Or, Xor, Not) in combination with each other<br />
Concepts and definitions<br />
You will understand how to apply graphical programming language to an<br />
air-handling unit.<br />
Blocks<br />
You will learn how to use the following blocks:<br />
• Occupancy<br />
• De-Enumerator<br />
• Network Configuration Input<br />
CNT-APG001-EN 105
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