Siemens 6GK7343-1EX30-0XE0 Ethernet Communications Processor

6GK73431EX300XE0 – The CP 343-1 connects SIMATIC S7-300 controllers to Industrial Ethernet via ISO, TCP/IP, and PROFINET. Functions as either a PROFINET IO Controller or IO Device with an integrated 2-port ERTEC 200 switch. Features include S7 communication, fetch/write, RFC1006, multicast, DHCP, and time-of-day synchronization.

Technical Specifications

• Model: 6GK7343-1EX30-0XE0 Siemens
• Series: CP 343-1
• Processor Type: Communications Processor for S7-300
• Supported Protocols: ISO, TCP/IP, PROFINET IO, RFC1006
• Communication Roles:
  • PROFINET IO Controller
  • PROFINET IO Device
• S7 Communication: Yes
• Other Features:
  • Fetch/Write
  • SEND/RECEIVE via RFC1006
  • Multicast Support
  • DHCP
  • CPU Time Synchronization (NTC)
• Switch Type: Integrated 2-Port ERTEC 200 Switch
• LAN Ports: 2x RJ45 (10/100 Mbit/s)
• Initialization: Via LAN
• Mounting: S7-300 rack
• Dimensions (HxWxD): 35 × 129 × 142 mm
• Net Weight: 0.297 kg

Function & Application

Purpose: The 6GK7343-1EX30-0XE0 expands the communication capabilities of S7-300 PLCs by enabling integration into Industrial Ethernet networks with advanced diagnostics, time sync, and dual-role PROFINET functionality.

Typical Applications:

• Industrial Ethernet integration for S7-300
• Mixed PROFINET IO and TCP/IP environments
• Time-critical distributed systems
• Centralized PLC networks requiring diagnostics and sync
• Legacy system upgrades to PROFINET

Performance & Features

• Dual PROFINET Roles. Use as IO Controller or Device
• S7 Communication. Seamless integration within Siemens architecture
• Advanced Functions. Includes multicast, RFC1006, and diagnostics
• 2-Port Switch. Integrated ERTEC 200 for daisy-chaining
• High-Speed Ethernet. RJ45 10/100 Mbps support
• CPU Sync. Ensures real-time system coherence

Recommended Accessories

• 6GK1901-1GA00 – Industrial Ethernet FastConnect Stripping Tool
• 6XV1870-3QE30 – Industrial Ethernet RJ45 Cord, 0.3 m
• 6XV1870-3QE50 – Industrial Ethernet RJ45 Cord, 0.5 m
• 6XV1871-5BH10 – IE FC RJ45 Plug-180 Cable, 1.0 m

Compliance & Classification

• RoHS Compliance: Since 13.06.2007
• REACH Substances:
  • Lead (CAS 7439-92-1) > 0.1%
  • Lead monoxide (CAS 1317-36-8) > 0.1%
• SCIP Number: f72fada0-90d1-427a-96a6-61fdd9be55ed
• Commodity Code: 85176200
• Catalog ID: IK-A
• Product Group: 2413
• Group Code: R322
• Product Class: A – Returnable stock item
• Country of Origin: Germany
• EAN: 4019169148498
• UPC: 662643194203

Product Lifecycle Notice

This product has entered phase-out as of 01.10.2023.
Please refer to Siemens for lifecycle support and successor options where required.

Advanced Ethernet Integration for Legacy SIMATIC S7-300 Systems

The Siemens 6GK7-343-1EX30-0XE0 brings powerful Ethernet communication to S7-300 environments, enabling PROFINET connectivity, diagnostics, and sync without needing CPU upgrades.

Key Features & Benefits:

✅ Dual PROFINET IO Controller/Device Function

✅ Built-in 2-Port ERTEC 200 Switch

✅ S7, Multicast, RFC1006, and Time Sync

✅ Easy LAN Initialization & Diagnostics

✅ RoHS & REACH Compliant

📦 Order Today for Fast UK & Europe Delivery!

At Drive Outlet Megastore, we offer competitive Siemens 6GK7343-1EX30-0XE0 prices, with fast delivery across the UK and Europe.

Need guidance on choosing a replacement, integrating Industrial Ethernet, or verifying PROFINET compatibility? Contact our team today.

Keep your S7-300 connected – only with Drive Outlet Megastore.