SIMATIC S7-300, CPU 315-2DP central module with integrated power supply DC 24V, memory 256 KByte, 2nd SS DP-Master/Slave, Micro Memory Card required. Powerful, compact, and economical. The SIMATIC S7-300 allows for a space-saving and modular setup. The diverse range of modules can be used specifically for central expansions or the establishment of decentralized structures, enabling cost-effective spare parts management. SIMATIC is known for continuity and quality. Do you want to continue leveraging your investment in your machines and systems? Need more power and performance for your machine? The innovative SIMATIC S7-1500 is the successor to the SIMATIC S7-300. This generation of controllers integrates the latest and future-proof technologies into the automation system, with improved system characteristics. Together with the engineering system TIA Portal, the unified engineering platform for all SIMATIC controllers, you are well-prepared for ever-faster market changes, increasingly shorter product life cycles, and rising competition and cost pressures. Information on the product lifecycle: The SIMATIC S7-300 / ET 200M system families will be available as part of our established product program until 2023. With the release of a product phase-out announcement, the respective products will be available as spare parts for an additional 10 years.