Introduction to Programmable Logic Controllers By: Glen A. Mazur, William J. Weindorf Industrial demand for safe and productive automated facilities requires that electricians, maintenance technicians, operators, supervisors, and other industry personnel possess a thorough understanding of programmable logic controllers (PLCs). Introduction to Programmable Logic Controllers is a comprehensive introduction to PLC theory, operation, installation, programming, maintenance, and troubleshooting. The text is a useful training tool and reference for students, apprentices, and technicians in the trade. Special emphasis is placed on the wiring and programming of PLCs for the control of industrial, commercial, and residential systems. The CD-ROM included in the back of the text is a self-study aid designed to complement the content in the book. It includes Quick Quizzes™, an Illustrated Glossary, PLC Programming Software, Tutorial Videos, and other related information. The Tutorial Videos help guide the user through the PLC Software. Contents include: PLC and Electrical Safety Electrical Principles and PLCs Electrical Circuits and PLCs PLC Hardware PLC Programming Instructions Programming PLC Timers and Counters PLC and System Interfacing PLC Installations and Startup PLC and System Maintenance Troubleshooting Principles and Test Instruments Troubleshooting PLC Hardware Troubleshooting with PLC Software Appendix Glossary Index