SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL based on 6GK7543-6WX00-0XE0 with conformal coating, -40.+70°C, OT4 with ST1/2 (+85°C for 10min), security (firewall and VPN) Open IE communication (TCP/IP, ISO-on-TCP, UDP) PG/OP, S7 routing, IP broadcast/multicast, SNMPV1/V3, DHCP, secure e-mail, IPV4/IPV6, support of SINEMARemote Connect with auto-configuration, time synchronization via NTP, access to the web server of the CPU, bus adapter required The SIPLUS extreme variant also protects the automation components against harsh environmental conditions, such as particularly high and low temperatures, harmful gases, condensation, frost and biologically, chemically and mechanically active substances, such as those found in control cabinets or Container solutions can occur. This means that your automation tasks are reliably protected and offer additional investment security.