Addressing students and engineers, but also hobby engineers, this practical guide will help to easily and cost-effectively implement technical solutions in home and installation technology, as well as small-scale automation solutions in machine and plant engineering. The book descriptively illustrates how to plan LOGO! 8 projects, develop programs and how to select the hardware. Standard control technology scenarios are demonstrated by practical examples. In addition, readers are provided with practice-oriented descriptions of various basic and special LOGO! 8 modules with which specific tasks can be very flexibly implemented. For the second edition, the book has been completely revised. It describes new functionalities like ModBus, access to the LOGO! with smartphone, clock synchronization of several devices via web server, as well as transfer of data to an Excel application on PC by use of the LOGO! access tool. Particular emphasis was laid on elegant and easy programming; additional info boxes with practical tips allow to develop optimum solutions. All programming examples are also available for download.