This book covers programming Rockwell ControlLogix and Compactlogix controllers using Studio 5000 software. Languages covered include ladder logic, function block, sequential function chart, and structured text. Additional topics include: fundametals of PLCs, creating a project, messaging, producer/consumer, Add-On instructions, I/O modules and wiring, motion control, PID control, sensors, installation and troubleshooting, safety devices for risk reduction, and lockout/tagout. There are many practical examples to help ease the learning curve.