Siemens CP 1543-1 Communication Processor Industrial Ethernet RJ45

Imagine a factory line that stops because a single network link fails. That pause can cost thousands of dollars. The Siemens CP 1543-1 Communication Processor Industrial Ethernet RJ45 is built to keep your automation network running smoothly. It gives you a reliable Ethernet connection for Siemens PLCs, so you never lose control of your machines.

Siemens CP 1543-1 Communication Processor Industrial Ethernet RJ45

Many users struggle with unstable or slow Ethernet links in harsh industrial environments. When data packets drop, the whole control system can lag or stop, leading to downtime and lost production. This problem matters because every minute of idle time adds up in cost and reduces product quality. The CP 1543-1 communication processor solves the issue by offering a rugged RJ45 port, 10-1000 Mbit/s speed, and built-in firewall and VPN features that protect and stabilize the connection.

Usages of Siemens

The processor fits into the S7-1500 single-width slot of a PLC rack. It is ideal for connecting a PLC to a factory Ethernet backbone, linking remote I/O stations, or linking a machine to a supervisory SCADA system. You can also use it in harsh outdoor cabinets where temperature ranges from -30 C to +60 C. The device works in ATEX-approved zones, making it safe for explosive atmospheres.

Benefits

• Fast 10-1000 Mbit/s Ethernet keeps data flowing without bottlenecks.
• Rugged RJ45 port survives vibration, dust and extreme temperatures.
• Integrated firewall and VPN protect your network from cyber threats.
• One-slot design saves space in crowded PLC racks.
• Easy configuration with STEP 7 Professional reduces engineering time.

Key Features

• Single industrial Ethernet interface (RJ45).
• Transfer rate from 10 Mbit/s up to 1000 Mbit/s.
• Power supply 15 V 3 % from backplane, 0.25 A consumption.
• IP20 protection, compact 35 mm 142 mm 129 mm size.
• Supports up to 118 T-block connections and 118 S7 connections.
• Stateful inspection firewall and IPSec VPN (AES-256, 3DES).
• TCP/IP, SNMP v1/v3, DCP, LLDP, NTP protocols built in.
• Static IPv4 routing, no IPv6 routing.
• Authentication via PSK or X.509v3 certificates.
• Certified for CE, UKCA, cULus, KC, RCM, RoHS, EAC and ATEX/IECEx.

Specifications