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Siemens 6GK7443-1EX20-0XE0 SIMATIC S7-400 CP 443-1 Industrial Ethernet Communication Processor 2-Port RJ45

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Siemens 6GK7443-1EX20-0XE0 SIMATIC S7-400 CP 443-1 Industrial Ethernet Communication Processor 2-Port RJ45

Siemens 6GK7443-1EX20-0XE0 SIMATIC S7-400 CP 443-1 Industrial Ethernet Communication Processor 2-Port RJ45

The Siemens 6GK7443-1EX20-0XE0 is an Industrial Ethernet communication processor for SIMATIC S7-400 PLC systems. It provides two 10/100 Mbps RJ45 ports through an integrated Ethernet switch and supports ISO, TCP/IP, UDP, S7 communication and PROFINET IO Controller functions.

HS CODE : 8543709990

  • Product No :

    6GK7443-1EX20-0XE0
  • Manufacture :

    Siemens
  • Size (cm) :

    2.5 *29 * 21
  • Weight (kg) :

    0.821
  • Origin :

    Germany
  • Warranty :

    12 Month
  • Lead Time :

    Ready Stock
  • Description :

    Industrial Ethernet Communication Processor

The CP 443-1 provides an S7-400 CPU with Industrial Ethernet connectivity without requiring an Ethernet interface directly integrated into the CPU. The module supports ISO, TCP/IP and UDP, S7 communication, Fetch/Write, SEND/RECEIVE with and without RFC1006, multicast, DHCP, SNMP V2 and web-based diagnostics. It can also operate as a PROFINET IO Controller.

The module has an integrated ERTEC 400 real-time Ethernet switch with two RJ45 ports operating at 10/100 Mbps. It draws its operating power from the S7-400 backplane and is designed for installation in an S7-400 rack. Siemens technical data specifies a typical backplane current consumption of approximately 1.4 A at 5 V DC.

Main Features

  • SIMATIC S7-400 CP 443-1
  • Industrial Ethernet communication processor
  • 2 × RJ45 Ethernet ports
  • 10/100 Mbps
  • Integrated ERTEC 400 real-time switch
  • PROFINET IO Controller
  • ISO / TCP/IP / UDP
  • S7 communication
  • SEND/RECEIVE
  • Fetch/Write
  • RFC1006 support
  • DHCP and SNMP V2
  • Web diagnostics
  • IP access protection
  • Multicast communication
  • S7 routing
  • Suitable for legacy S7-400 systems

Application Scope

  • S7-400 Industrial Ethernet networking
  • PROFINET IO Controller applications
  • PLC-to-PLC communication
  • Remote I/O networking
  • SCADA and HMI communication
  • PG/OP engineering and diagnostics
  • S7 routing
  • Factory automation
  • Process automation
  • Legacy Siemens S7-400 maintenance and retrofit

Discontinued / Legacy / Spare Part

Official current successor: 6GK7443-1EX31-0XE0

There is an intermediate/compatible successor relationship involving 6GK7443-1EX30-0XE0. Siemens' own S7-400 spare-parts documentation states that 6GK7443-1EX30-0XE0 can replace the 6GK7443-1EX20-0XE0 as a spare part without changing the hardware configuration, subject to the applicable CPU/firmware conditions.

Do not automatically claim drop-in replacement without checking the S7-400 CPU firmware/configuration.

 All items are Distributor Ready-stock Genuine Brand-new Supplying, please inform us if the other conditions are needed, Used, Open-box, Refurbished, etc.

Allen Bradley - CompactLogix; ControlLogix, Flex I/O, MicroLogix, etc.

Siemens - Simatic S7-300; S7-400; S7-1200; S7-1500; HMI 6AV etc.

ABB - Advant 800xA S800; S200; S400; S500; S600; S700; S900 etc.

GE Fanuc - 90-30; 90-70; PACSystems RX3i, etc.

Honeywell - Experion® PKS; ControlEdge™ HC900; etc.

Many Available just wait for you, feel free to ask to get better deal!!!

R
Ricardo
Sales Specialist
+86 188 5015 7206
ricardo@tztechautomation.com
T
Tina
Sales Specialist
+86 131 2336 8748
tina@tztechautomation.com

Conditions

Original Brand New

Approximate Lead Time

3-5 days

Warranty

One Year

Online Service

 7/24

Express Company

DHL / FedEx / UPS / TNT etc.

MOQ

1 Piece

TZ Tech is not an authorized surplus dealer or affiliate for the Manufacturer of this product.
The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because TZ Tech is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply.
While many PLC products will have firmware already installed, TZ Tech makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application.

TZ Tech also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source.
TZ Tech also makes no representations as to your right to install any such firmware on the product.
TZ Tech will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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Copyright 2026 @ TZ TECH Co., LTD. .All Rights Reserved Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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