... ____________14TerminologyThe language of PLCs consists of a commonly used set of terms; many of which are unique to PLCs. In order to understand the ideas and concepts of PLCs, an understanding of these terms is ... depends on the size of the program, the number of I/Os, and the amount of communication required.Software Software is any information in a form that a computer or PLC can use. Software includes ... S7-226, and S7-226XM and three power supply configurations for each type. The model description indicates the type of CPU, the power supply, the type of input, and the type of output.1Table of...