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siemens simatic s7 400 6gk7443 1ex30 0xe1 cp 443 1 industrial ethernet module-0

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Siemens SIMATIC S7-400 6GK7443-1EX30-0XE1 CP 443-1 Industrial Ethernet Module

Manufacturer: Siemens
Condition: Brand New
Lead Time: In Stock
Origin: Germany
Warranty: 12 Months

  • Overview
  • Product Overview
  • Key Functions
  • Official Specifications
  • Frequently Asked Questions
  • Compatibility & Ordering Notes
  • Hot Selling Models
  • Recommended Products
Overview

SIEMENS SIMATIC NET S7-400

6GK7443-1EX30-0XE1 CP 443-1 Industrial Ethernet Communication Processor

An S7-400 communication processor with a two-port 10/100 Mbit/s Industrial Ethernet switch, PROFINET IO controller functions and S7 communication services.

At a Glance

Brand Siemens
Model 6GK7443-1EX30-0XE1
Product Type CP 443-1 Industrial Ethernet Communication Processor
Core Function Industrial Ethernet and PROFINET communication for S7-400
Application or Compatible Series SIMATIC S7-400 automation systems

Engineering Fit

Designed to connect S7-400 stations to Industrial Ethernet for PROFINET IO control, S7 communication and open TCP, ISO-on-TCP or UDP services.

Replacement Focus

Match the hardware and firmware, rack slot, CPU compatibility, IP configuration, PROFINET device setup, open connections and security settings.

Product Overview

This communication processor adds two switched Industrial Ethernet ports to a SIMATIC S7-400 station. It supports PROFINET IO controller operation, S7 communication, SEND/RECEIVE services and open transport protocols.

Engineering and replacement work must preserve the module address, network identity, configured connections, access-control settings and PROFINET device assignments. The station power budget and permitted number of communication processors must also be observed.

Ordering focus: confirm the full article number, S7-400 rack and CPU, hardware and firmware, IP parameters, configured connections, PROFINET device allocation and access-control list.
Key Functions

Industrial Ethernet Connection

Provides two 10/100 Mbit/s RJ45 ports with an integrated switch for line or star network integration.

PROFINET IO Control

Operates as a PROFINET IO controller for distributed devices, including real-time communication functions.

S7 and Open Communication

Supports S7 communication plus ISO, TCP, ISO-on-TCP and UDP services.

Network Administration

Supports diagnostics, time synchronization, address assignment functions and access-control configuration.

Official Specifications
Backplane Supply Voltage 5 V DC
Typical Backplane Current 1.4 A
Typical Power Loss 7.25 W
Ethernet Interfaces 2 × RJ45 with integrated switch
Ethernet Transmission Rate 10 / 100 Mbit/s
PROFINET Function IO controller
Maximum PROFINET IO Devices 128
Maximum IRT Devices 64
Maximum Open Communication Connections 64
Maximum S7 Connections 128
Maximum Active Multi-Protocol Connections 128
PROFINET Input / Output Area 4 KB inputs and 4 KB outputs
Maximum Modules per CPU 14
Maximum PROFINET Controllers per CPU 4
Operating Temperature 0 to 60 °C; up to 70 °C from hardware version 2
Storage and Transport Temperature -40 to +70 °C
Degree of Protection IP20
Mechanical Dimensions 25 × 290 × 210 mm
Net Weight Approximately 0.7 kg

Official source: Siemens official technical data for 6GK7443-1EX30-0XE1.

Frequently Asked Questions

Can 6GK7443-1EX30-0XE1 operate as a PROFINET IO controller?

Yes. Configure the distributed devices, update times, device names and topology in the S7 project.

Which open communication protocols are available through 6GK7443-1EX30-0XE1?

The processor supports ISO, TCP, ISO-on-TCP and UDP services in addition to S7 communication.

How many PROFINET devices can 6GK7443-1EX30-0XE1 control?

The specified maximum is 128 IO devices, including up to 64 IRT devices, subject to the full station configuration.

What must be backed up before replacing 6GK7443-1EX30-0XE1?

Save the S7 hardware configuration, configured connections, IP parameters, device assignments and access-control settings.

Can 6GK7443-1EX30-0XE1 obtain network parameters through DHCP?

Yes. Use the supported address-assignment functions only when they match the plant network policy and project configuration.

How many 6GK7443-1EX30-0XE1 modules may be assigned to one CPU?

The documented maximum is 14 communication processors per CPU, with no more than four configured as PROFINET IO controllers.

What should I check if 6GK7443-1EX30-0XE1 loses communication after replacement?

Verify the rack slot, module address, IP settings, subnet, configured connections, PROFINET device names, access list and cabling.

Compatibility & Ordering Notes
Before ordering 6GK7443-1EX30-0XE1: match the S7-400 station configuration, firmware, IP identity, configured connections and PROFINET assignments before commissioning.

Compatibility Checks

  • Verify CPU compatibility, rack slot and module address.
  • Restore IP parameters, subnet and configured connections.
  • Confirm all PROFINET device names and IO assignments.
  • Review access-control and time-synchronization settings.
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