Siemens 6GK7343-1CX10-0XE0 SIMATIC S7-300 Communication Processor CP 343-1 for Industrial Ethernet

The Siemens 6GK7343-1CX10-0XE0 is a high-performance Communication Processor (CP) for the SIMATIC S7-300 automation system. It enables seamless integration of S7-300 controllers into Industrial Ethernet networks, supporting multiple protocols including TCP/IP, UDP, ISO-on-TCP, S7 Communication, and PROFINET IO Controller (up to 8 devices). Designed for reliable data exchange in demanding industrial environments, this CP module ensures efficient communication and diagnostics.

Advantages

• Robust Industrial Ethernet connectivity with auto-negotiating 10/100 Mbit/s RJ45 interface
• Supports PROFINET IO Controller functionality for up to 8 devices
• Extensive diagnostic functions via STEP 7 for quick troubleshooting
• Integrated firewall for access protection
• Firmware update capability via network for future-proofing
• Low power consumption (typ. 3.5 W) and compact design for space-saving installation

Suitable for

• Industrial automation systems requiring reliable Ethernet communication
• Integration of S7-300 PLCs into plant-wide networks
• PROFINET IO applications with up to 8 devices
• Time synchronization via NTP for coordinated processes

Key specifications

• Product Type: Communication Processor (CP)
• Series: SIMATIC S7-300
• Communication Standard: Industrial Ethernet
• Protocols: TCP/IP, UDP, ISO-on-TCP (RFC1006), S7 Communication, PROFINET IO Controller (max. 8 devices)
• Interfaces: 1 x RJ45
• Data Transfer Rate: 10/100 Mbit/s (auto-negotiation)
• Supply Voltage: 24 V DC (via backplane bus)
• Current Consumption: Typ. 0.2 A
• Power Loss: Typ. 3.5 W
• Mounting: S7-300 mounting rail
• Operating Temperature: 0 to 60 °C
• Protection Class: IP20
• Configuration Software: SIMATIC STEP 7
• Time Synchronization: NTP
• Security: Access protection via firewall
• Firmware Update: Yes, via network

Recommendations

For optimal performance, use with Siemens SIMATIC S7-300 CPUs and configure via STEP 7. Ensure proper grounding and shielding according to industrial standards. This CP module is ideal for new installations or upgrades requiring PROFINET IO controller capabilities.