Basic Structure Of PLC

This paper describes about the basic structure of PLC and gives the brief idea of plc components and their operations.In this project paper, ladder logic diagram of programming Logic Controller (PLC) is analyzed for input output module. As we know that in today's world automation is the future. So PLC helps in controlling and monitoring of different processes in industry. In this paper we will see the basic programming of PLC and its various components as well as their uses.