The CPU 1513-1 PN is the CPU with a medium program and data memory for applications that also contain distributed automation structures alongside central I/O. It can be used as a PROFINET IO controller or as distributed intelligence (PROFINET I-Device). The integrated PROFINET IO IRT interface is designed as 2-port switch so that a linear topology can be set up in the system. In addition, the CPU offers comprehensive control functionalities as well as the ability to connect drives via standardized PLC-open blocks.