Siemens CP 343-1 (6GK7 343-1EX11-0XE0) – Industrial Ethernet Communication Processor

Siemens CP 343-1 (6GK7 343-1EX11-0XE0) – Industrial Ethernet Communication Processor

The Siemens CP 343-1 (Part No. 6GK7 343-1EX11-0XE0) is a Communication Processor module designed to integrate a SIMATIC S7-300 PLC into an Industrial Ethernet network. It is a robust, high-speed solution that offloads communication processing from the main CPU. Supporting key protocols like TCP/IP, ISO, and S7 Communication at 10/100 Mbit/s, this module provides reliable networking and remote diagnostic capabilities for your automation system.

—

Quick Navigation

• About This Communication Processor
• Applications
• Why ROMA Industrial Company
• Technical Specifications
• Key Features & Benefits

—

About This Communication Processor

This product is a Communication Processor (CP), also known as an **S7-300 Ethernet Module** or **CP 343-1**. Its primary function is to provide the SIMATIC S7-300 with powerful and reliable connectivity to an Industrial Ethernet network. By supporting standard IT protocols like TCP/IP and specialized industrial protocols like S7 Communication, it allows for high-speed data exchange, centralized programming, and remote diagnostics. The module operates at 10/100 Mbit/s and is a double-width module designed to handle the heavy traffic load associated with network communication, freeing the central CPU for critical control tasks.

—

Applications

This communication processor is suitable for integrating S7-300 PLCs into various Industrial Ethernet and IT networks, including:

• Centralized Programming, Diagnostics, and Remote Maintenance
• Data Exchange with Higher-Level IT Systems (via TCP/IP and FETCH/WRITE)
• Networking Multiple S7 PLCs (via S7 Communication)
• Connecting HMIs and Supervisory Control Systems

—

Why ROMA Industrial Company

ROMA Industrial is your trusted partner for a full range of industrial supplies across categories like Motion Control & Mechatronics, Electrical & Automation, and Fluid Power & Control. We are committed to providing top-tier products and service to keep your operations running smoothly. We partner with world-class shipping providers like FedEx, DHL, and UPS to ensure fast and reliable delivery worldwide. We accept returns to fulfill your satisfaction and accept variable payments methods including PayPal, credit cards, and more. We are a supplier in Europe, USA, and Saudi Arabia.

—

Technical Specifications

• Manufacturer: Siemens
• Part Number: 6GK7 343-1EX11-0XE0
• Model: CP 343-1
• Product Type: Communication Processor (CP) for Industrial Ethernet
• Data Rate: 10/100 Mbit/s
• Interface: 1 × RJ45 port
• Protocols: ISO, TCP/IP (RFC1006), UDP, S7 Comm., S5-compatible (FETCH/WRITE)
• Supply Voltage: 24 V DC (External)
• Power Consumption: Max. 0.73 A (from external 24 V DC)
• Installation: Double-width module
• Hazardous Location: Approved for Class I, Div 2 and Zone 2
• Weight: N/A

—

Key Features & Benefits

• High-Speed Connectivity: Supports 10/100 Mbit/s Fast Ethernet for rapid data exchange.
• Offloads CPU: Manages complex communication tasks, freeing the S7-300 CPU for core logic.
• Versatile Protocols: Supports both standard IT (TCP/IP) and industrial protocols (S7 Communication) for broad connectivity.
• Industrial Ready: Approved for Class I, Div 2 hazardous locations, ensuring reliable operation in demanding environments.