SIPLUS NET CSM 1277 based on 6GK7277-1AA10-0AA0 with conformal coating, 0.+60°C, Compact Switch Module CSM 1277 Connection to SIMATIC S7-1200 and up to 3 additional participants on Industrial Ethernet with 10/100 MBit/s The SIPLUS extreme variant also protects the automation components from harsh environmental conditions, such as particularly high and low temperatures, corrosive gases, condensation, frost and biologically, chemically and mechanically active substances, such as those that can occur in control cabinets or container solutions close to production. This means that your automation tasks are reliably protected and offers additional investment security.