SIPLUS S7-1200 CP 1243-1 -40...+70°C with conformal coating based on 6GK7243-1BX30-0XE0 . Communications Processor CP 1243-1 for connecting SIMATIC S7-1200 as additional Ethernet interface and for connection to control center via remote system protocols (DNP3, IEC 60870, TeleControl Basic), Security (Firewall, VPN) The SIPLUS extreme variant protects the automation components also against rough ambient conditions, such as especially high and low temperatures, corrosive gases, condensation, frost, biologically, chemically and mechanically active substances, such as they may occur in control cabinets or container solutions close to production. With this your automation tasks are reliably protected and offer additional security of investment