Why not? It is a huge company which has high quality and by our standards inexpensive controllers. Today we can say almost with surety that PLC controllers by manufacturers round the world are excellent devices, and altogether similar. Nevertheless, for specific application we need to know specific information about a PLC controller being used. Therefore, the choice fell on OMRON company and its PLC of micro class CPM1A. Adjective "micro" itself implies the smallest models from the viewpoint of a number of attached lines or possible options. Still, this PLC controller is ideal for the purposes of this book, and that is to introduce a PLC controller philosophy to its readers.