Product Overview:
The Siemens SIMATIC NET CP 343-1 (Communication Processor) is a high-performance, robust module meticulously engineered to seamlessly integrate the SIMATIC S7-300 programmable logic controller (PLC) into an Industrial Ethernet network. This advanced communication processor serves as a vital link, enabling efficient and reliable data exchange between the S7-300 CPU and a diverse array of Ethernet-based devices, including Human Machine Interface (HMI) panels, Supervisory Control and Data Acquisition (SCADA) systems, other PLCs, and higher-level IT systems. It supports a comprehensive range of communication services, making it an indispensable component for modern industrial automation architectures that demand high-speed data transfer, robust network security, and extensive remote diagnostic capabilities. The CP 343-1 is specifically designed for the rigorous demands of industrial environments, ensuring stable operation, long-term reliability, and maximum uptime in critical applications such as manufacturing, process control, and infrastructure.

 
Technical Specifications:

Part Number: 6GK7343-1EX20-0XE0
Alternative Part Number: 6GK73431EX200XE0
Product Type: Communication Processor (CP)
Module Type: SIMATIC NET CP 343-1
For Use With: SIMATIC S7-300 PLCs
Network Type: Industrial Ethernet
Communication Protocols: TCP/IP, UDP, ISO-on-TCP, S7 Communication, PROFINET IO (Controller/Device)
Data Transfer Rate: 10/100 Mbps (Fast Ethernet)
Interface: 1 x RJ45 port
Power Supply: 24 V DC (supplied via S7-300 backplane bus)
Current Consumption: Max. 0.3 A (from 24V DC supply)
Operating Temperature: 0 °C to 60 °C (32 °F to 140 °F)
Storage Temperature: -40 °C to 70 °C (-40 °F to 158 °F)
Relative Humidity: 95% at 25 °C (non-condensing)
Dimensions (W x H x D): Approx. 40 mm x 125 mm x 120 mm (1.57 in x 4.92 in x 4.72 in)
Weight: Approx. 0.25 kg (0.55 lbs)
Mounting Type: Standard DIN rail mounting (within S7-300 rack)
Diagnostics: Extensive LED indicators for status and diagnostics, integrated web server for remote access
Security Features: Integrated Firewall, Access Control Lists (ACLs)
Time Synchronization: NTP client functionality
Firmware Update: Possible via network connection