Amazon.com description: Product Description: “Ladder Logic Diagnostics & Troubleshooting!” is the third installment of the series “PLC Programming – Using RSLogix 500!” This book, together with, “Basic Programming Concepts” and “Advanced Programming Concepts”, serves as an instructional guide for developing a practical and more comprehensive knowledge of PLC “ladder logic” programming! In “Diagnostics & Troubleshooting”, you will learn: • The Processor status LED’s and their interpretation! • Discussion on the “Status File” and its use in finding and correcting faults. • Using the “Search” and “Data Monitoring” tools and functions. • How to perform “online editing”! • How to understand and use “fault routine” ladder logic files. • How to add “Symbols”, “Descriptions” and “Comments” to your ladder logic program! • Understanding the use of “forces” and how they are executed within the program scan! • Importing and exporting a program database! • Building a documentation database using the “.csv” format template. • Building fault routines for “specific” faults. • Developing good programming techniques!