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 10 minutes), security (firewall and VPN) open IE communication (TCP/IP, ISO-on-TCP, UDP) PG/OP, S7 routing, IP broadcast/multicast, SNMPV1/V3, DHCP, secure email, IPv4/IPv6, support of SINEMA Remote Connect with autoconfiguration, time synchronization via NTP, access to web server of CPU, BusAdapter required