Francisco Valentine, PE

 Chapters 1 through 7 provide foundational information and preliminary data which are applicable to the chapters that follow. 

 Chapters 8 through 18 are focused on Binary Input devices.  

 Chapters 19 through 31 are focused on Analog Input devices. 

 Chapters 32 through 36 are focused on Binary Output devices.  

 Chapters 37 through 41 are focused on Analog Output devices.  

 Chapters 42 provides the testing protocol for VFDs which require  multiple points (binary inputs, analog inputs, binary outputs, and  analog outputs) and a good understanding of their operation is required  to properly test and troubleshoot them.  Chapter 43 provides the answers  to the Review questions at the end of most chapters.  Chapter 44  provides a summary of abbreviations used throughout the book.