Siemens 6GK7343-1EX30-0XE0 CP 343-1 Ethernet Module

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

Availability: 5 left in stock

DescriptionThe Siemens CP 343-1 (6GK7343-1EX30-0XE0) is a high-performance communications processor designed for the SIMATIC S7-300 automation system. This module enables...

SKU: 6GK7343-1EX30-0XE0

Manufacturer: Siemens
Product No.: 6GK7343-1EX30-0XE0
Product Type: Communications Processor
Product Origin: Germany
Payment:T/T, Western Union
Weight: 240g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The Siemens CP 343-1 (6GK7343-1EX30-0XE0) is a high-performance communications processor designed for the SIMATIC S7-300 automation system. This module enables seamless integration of S7-300 PLCs into Industrial Ethernet networks, supporting both ISO and TCP/IP protocols. Equipped with an integrated 2-port switch based on the ERTEC 200 controller, it facilitates efficient data exchange and network connectivity in industrial environments.

Features

Integrated 2-port switch for flexible network topologies (RJ45 interface).
Supports PROFINET IO controller and PROFINET IO device functionality.
Enables S7 communication, Fetch/Write, and SEND/RECEIVE via RFC1006.
Supports multicast communication and DHCP for dynamic network configuration.
Includes NTC-CPU synchronization capabilities with selectable diagnostic modes.
Remote initialization and configuration via LAN.

Technical Specifications

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

Installation Guidelines

Ensure the S7-300 CPU and power supply are powered down before installing or removing the CP 343-1 module.
Mount the module onto the standard S7-300 DIN rail and secure it using the integrated locking mechanism.
Use shielded twisted-pair cables (Cat5 or higher) for Ethernet connections to minimize EMI impact.
Ensure the 24V DC external power supply is correctly wired to the 2-pole terminal block to maintain module operation.
Verify that the backplane bus connector is properly seated to ensure reliable communication with the CPU.

FAQ

Does this module support PROFINET?

Yes, the 6GK7343-1EX30-0XE0 serves as both a PROFINET IO controller and a PROFINET IO device.

What type of power supply is required?

The module requires a 24V DC external power supply connected via the provided 2-pole pluggable terminal block, while logic power is drawn from the backplane bus.

Can this module be configured over the network?

Yes, the module supports initialization and configuration directly via the LAN connection.

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