The book presents the new hardware components of the automation sys-tem 57-1200, as well as its configuration and parameterization. A profound introduction into STEP 7 Basic illustrates the basics of programming and trouble shooting.
this book describes these graphic-oriented programming languages combined with the engineering software STEP 7 V5.5 for use with both SIMATIC S7-300 and SIMATIC S7-400 automation systems.
Stability is a difficult concept to define. The idea of a stable character is readily grasped, although it is harder to put into words. The same applies to the notion of a stable ship, as stability is an intangible and complex entity.