• Siemens 6GK7343-1EX30-0XE0
  • Siemens 6GK7343-1EX30-0XE0
  • Siemens 6GK7343-1EX30-0XE0
1 3

Siemens 6GK7343-1EX30-0XE0 CP 343-1 Industrial Ethernet Communications Processor

Siemens 6GK7343-1EX30-0XE0 CP 343-1 Industrial Ethernet Communications Processor

Description

The Siemens 6GK7343-1EX30-0XE0 is a high-performance communications processor designed for the SIMATIC S7-300 PLC system. This CP 343-1 module facilitates seamless integration of S7-300 controllers into Industrial Ethernet networks, supporting...

29 people are viewing this right now

Availability: Low stock: 9 left

SKU: 6GK7343-1EX30-0XE0
Vendor: Siemens
Category: Communications Processor
Related Series:

Shipping & Returns

Reliable Worldwide Delivery

  • Carriers: Shipped via DHL, FedEx, UPS, or USPS.
  • Dispatch: Orders processed in 1-2 business days and dispatched within 3-5 business days.
  • Tracking: Full tracking details provided via email upon shipment.

30-Day Money-Back Guarantee

  • Guarantee: 30-day return window for in-stock, factory-sealed products.
  • Condition: Items must be unopened, unused, and in original packaging.
  • Authenticity: We guarantee 100% original and authentic hardware.

Need more details? Read our fullShipping PolicyandRefund Policy.

Authenticity & Warranty

  • Genuine Guarantee: We supply only 100% original, brand-new, and factory-sealed industrial automation parts.
  • Full Coverage: Every component is backed by a 12-month comprehensive warranty from the date of purchase.
  • Traceability: All products come with original factory documentation and accessories for full industrial compliance.

Technical Support & Sourcing

  • Expert Assistance: Our technical team provides free consultation to help you verify compatibility for DCS and PLC systems.
  • Rare Part Sourcing: Specializing in obsolete and hard-to-find components from Allen-Bradley, Siemens, ABB, HIMA, and more.
  • Bulk Inquiries: Contact us at pambo@5gplc.com for volume pricing or customized project quotes.
View full product details

Description

The Siemens 6GK7343-1EX30-0XE0 is a high-performance communications processor designed for the SIMATIC S7-300 PLC system. This CP 343-1 module facilitates seamless integration of S7-300 controllers into Industrial Ethernet networks, supporting both ISO and TCP/IP protocols. It serves as a robust gateway for data exchange, supporting PROFINET IO controller or device functionality, and features an integrated 2-port switch (ERTEC 200) for efficient network topology management.

Features

  • Integrated 2-port switch (ERTEC 200) for direct connection to Industrial Ethernet.
  • Supports PROFINET IO controller and PROFINET IO device roles.
  • Communication protocols: S7 communication, Fetch/Write, SEND/RECEIVE via RFC1006, multicast, and DHCP.
  • Dual RJ45 ports for 10/100 Mbit/s LAN connectivity.
  • Supports NTC-CPU synchronization with or without diagnostics.
  • Remote initialization via LAN.

Applications

The CP 343-1 is widely utilized in industrial automation environments requiring reliable Ethernet connectivity for S7-300 PLCs. It is ideal for distributed I/O systems, plant-wide data monitoring, and integration with SCADA or HMI systems via standard Ethernet protocols.

Technical Specifications

Model 6GK7343-1EX30-0XE0
Interface Speed 10/100 Mbit/s
Supply Voltage (External) 24 V DC
Backplane Supply 5 V DC
Power Connection 2-pole pluggable terminal block
Voltage Tolerance +20% / -15%
Weight 0.24 kg

Installation Guidelines

  • Ensure the S7-300 CPU is powered down before installing or removing the communications processor.
  • Mount the module onto the S7-300 mounting rail and secure it using the integrated locking mechanism.
  • Use shielded twisted-pair cables (Cat5 or higher) for Ethernet connections to minimize EMI interference.
  • Ensure the 24 V DC external power supply is connected to the dedicated terminal block on the front of the module.
  • Maintain proper ventilation around the module to prevent overheating during continuous operation.
  • Handle with care to avoid electrostatic discharge (ESD) damage to the internal circuitry.

FAQ

What is the primary function of the 6GK7343-1EX30-0XE0?

This module acts as a communications processor that allows a Siemens S7-300 PLC to communicate over Industrial Ethernet using TCP/IP or ISO protocols, and it functions as a PROFINET IO controller or device.

Does this module require an external power supply?

Yes, the module requires a 24 V DC external power supply connected via the 2-pole pluggable terminal block, in addition to the 5 V DC provided by the backplane bus.