Simatic S7-300/400 Programmable Controllers

From the Publisher: This book provides an accessible approach to SIMATIC S7, clearly describing the elements and applications of the text-oriented programming language STL (statement list) and SCL (structured control language) for use with both SIMATIC S7-300 and S7-400. First-time users will be introduced to the field of programmable logic control while advanced users will learn about specific applications of these controllers.