Description
The Siemens CP 1543-1 (6GK7543-1AX00-0XE0) is a powerful Industrial Ethernet communication processor designed to expand the networking and security capabilities of SIMATIC S7-1500 controllers. Offering a 10/100/1000 Mbit/s RJ45 interface, it supports key industrial communication protocols including TCP/IP, ISO on TCP, UDP, S7 communication, IP multicast/broadcast, and advanced IT functions such as FTP client/server, SNMP v1/v3, DHCP, Email, and IPv4/IPv6 handling
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For cybersecurity, the module includes a stateful inspection firewall, IPSec VPN, AES 128/192/256 encryption, and authentication options via X.509 certificates or preshared keys. It supports up to 16 simultaneous VPN connections, secure access control, unauthorized-access logging, IEEE 802.1X RADIUS authentication, and the ability to disable unused services for enhanced protection.
The CP 1543-1 provides extensive connectivity with up to 118 open TCP connections, 118 S7 communication connections, multi-protocol operation, ISO-on-TCP payloads up to 65,536 bytes, and multiple FTP/HTTP sessions. NTP-based time synchronization ensures consistent system coordination across networks.
Built as a compact S7-1500 module, it operates in temperatures from 0 to 60°C, supports 95% humidity, and is protected by an IP20 enclosure. Its lightweight 0.35 kg design fits seamlessly into any S7-1500 rack, supporting up to 8 modules per CPU depending on the system. With robust engineering via STEP 7 Professional V14 or later (TIA Portal), and full web-based diagnostics, it equips automation systems with secure, high-performance industrial communication.
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