The SIPLUS S7-1500 CPU 1511-1 PN RAIL is the most cost-effective entry-level CPU for applications with medium requirements for processing speed and speed of response. The CPU can be used as a PROFINET IO Controller or as distributed intelligence (PROFINET I-Device). The integrated PROFINET IO IRT interface is designed as a 2-port switch so that a linear topology can be set up. In addition, the CPU offers comprehensive control functionalities via easy-to-configure blocks as well as the ability to connect drives via standardized PLC-open blocks.