Siemens 6GK7443-5DX03-0XE0 SIMATIC NET CP 443-5 Extended

Siemens 6GK7443-5DX03-0XE0 PROFIBUS DP Communication Processor for SIMATIC S7-400
Siemens 6GK7443-5DX03-0XE0 PROFIBUS DP Communication Processor for SIMATIC S7-400
Siemens 6GK7443-5DX03-0XE0 PROFIBUS DP Communication Processor for SIMATIC S7-400
S7-400 PROFIBUS communication

Siemens 6GK7443-5DX03-0XE0 SIMATIC NET CP 443-5 Extended

A CP 443-5 Extended communication processor for connecting compatible SIMATIC S7-400 stations to PROFIBUS DP networks.

Product Overview

Siemens 6GK7443-5DX03-0XE0 is a SIMATIC NET CP 443-5 Extended communication processor for SIMATIC S7-400. Siemens documentation identifies it for PROFIBUS DP communication and describes DPV1 operation with the required CPU and engineering environment.

The processor extends an S7-400 station with PROFIBUS master and communication functions. Correct operation depends on the CPU model and firmware, STEP 7 version, PROFIBUS configuration, bus parameters and the firmware level of the CP itself.

Commercial Status

Item Verified statement
Exact article 6GK7443-5DX03-0XE0
Product family SIMATIC NET CP 443-5 Extended
Official lifecycle wording Official lifecycle wording is not shown in the accessible Siemens documentation for this exact order number; verify before order placement.
Procurement scope Availability, condition, warranty and shipment are confirmed in the written quotation.

Verified Technical Data

Parameter Officially supported information
Manufacturer Siemens
Series SIMATIC NET / SIMATIC S7-400
Product type CP 443-5 Extended communication processor
Network PROFIBUS DP
System connection Compatible SIMATIC S7-400 stations
Communication scope DP, PG/OP and S7 communication; check configured services
DPV1 support Documented with CP firmware V4.0.0 or higher and suitable S7-400 CPUs
Engineering requirement STEP 7 V5.1 SP2 or higher for the cited DPV1 configuration
Configuration caution CPU, CP firmware and project settings must be verified together

System Fit and Applications

PROFIBUS DP master communication

Connects a compatible S7-400 station to distributed PROFIBUS DP devices according to the engineered network configuration.

DPV1 system integration

Supports enhanced DPV1 functions when the cited firmware, CPU and STEP 7 prerequisites are satisfied.

Installed-base maintenance

Used for documented replacement or service of existing CP 443-5 Extended communication paths in S7-400 systems.

Compatibility and Procurement Checks

  1. Confirm the complete order number 6GK7443-5DX03-0XE0 and CP 443-5 Extended designation.
  2. Record CP hardware and firmware versions; DPV1 capability is version-dependent.
  3. Verify the S7-400 CPU model, CPU firmware, STEP 7 project and configured communication services.
  4. Check PROFIBUS address, transmission rate, connector, termination and network diagnostics.
  5. Confirm current Siemens lifecycle status, condition, warranty and included documentation before procurement.

Lifecycle Note

No lifecycle label is inferred for this complete order number. The current Siemens catalogue entry and any official replacement notice must be checked before applying Active, Classic, Legacy, Limited, Phase Out Started, Product Cancellation, Obsolete or Discontinued wording.

Frequently Asked Questions

What is 6GK7443-5DX03-0XE0?

It is a Siemens SIMATIC NET CP 443-5 Extended communication processor for S7-400 PROFIBUS systems.

Which network does it support?

The module is designed for PROFIBUS DP communication.

When is DPV1 functionality available?

Siemens documentation cites CP firmware V4.0.0 or higher with suitable S7-400 CPUs and the required STEP 7 environment.

Which engineering software is cited?

STEP 7 V5.1 with Service Pack 2 or higher is documented for the referenced DPV1 configuration.

Can a similar CP 443-5 be substituted directly?

No. Basic and Extended variants, firmware, supported services and project configuration can differ.

What should be supplied for compatibility review?

Provide the full order number, hardware and firmware versions, CPU model, STEP 7 project details and PROFIBUS topology.

Request Availability and Compatibility Review

Send the exact order code, system configuration, quantity and destination for a documented supply review.

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Email: sales6@apterpower.com  |  WhatsApp: +86 18159889985

Industrial automation procurement support

Procurement Service for Siemens 6GK7443-5DX03-0XE0

A documentation-led service covering identity control, configuration review, quotation clarity, inspection coordination and global delivery planning for SIMATIC NET CP 443-5 Extended products.

Why Customers Use Our Service

Industrial automation parts are configuration-sensitive. A family name alone does not confirm interfaces, firmware, power requirements, memory, approvals or installation compatibility. Our team keeps the complete 6GK7443-5DX03-0XE0 reference attached to every commercial and technical checkpoint and compares it with the supplied nameplate, project information and available Siemens documentation.

Before commercial commitment, we coordinate the facts needed to reduce wrong-part risk: complete suffix, hardware and firmware revision, physical condition, required accessories, quantity, destination, warranty scope, inspection evidence and delivery expectations. Purchasing and maintenance teams receive a clearer record of what is offered, what remains to be verified and what will be included in the shipment.

Industrial automation sales and documentation office

Dedicated Technical Intake

A coordinator records the exact order code, installed system, revision data and required quantity. Missing compatibility information is identified before quotation review.

Industrial spare quotation and commercial support office

Controlled Commercial Review

Condition, inspection points, warranty terms, inclusions, lead time and shipment scope are aligned in writing so offers can be compared on the same basis.

Global industrial logistics coordination office

Global Delivery Coordination

Packing, export documents, carrier planning and destination requirements are reviewed before dispatch, supporting traceable receiving and project scheduling.

Five-Step Service Workflow

01 · Identify — Capture the full order number, nameplate and installed-system context.

02 · Compare — Review interfaces, firmware, power, configuration and accessories.

03 · Quote — Define condition, inclusions, warranty, price and lead time.

04 · Inspect — Coordinate label, appearance, revision and packing evidence.

05 · Deliver — Arrange documentation, tracking and global shipment.

Information That Speeds Up the Review

Send a legible product nameplate, the complete 6GK7443-5DX03-0XE0 order code, hardware and firmware information, installed rack or network details, relevant project version, required accessories, quantity, preferred condition and destination country. Photos of connectors, terminals and labels help expose revision differences that are not visible from the family designation.

We can then structure the quotation around the exact requirement, state what is included, flag any compatibility point still requiring confirmation and document receiving checks for the customer’s maintenance or project team.

Start a SIMATIC NET CP 443-5 Extended Supply Review

Share the exact model, installed configuration, quantity and destination for availability, compatibility, warranty and delivery coordination.

Email SalesWhatsApp Sales

Email: sales6@apterpower.com  |  WhatsApp: +86 18159889985

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A 70-model reference list for multi-brand maintenance enquiries. Each complete suffix must be checked independently against its own label and official documentation.

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15B10851G1 24138990 D504 TSW-552-BS ULFIM-D37M-45-XOR
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Need Another Model?

Send the exact order code, full suffix, quantity, condition requirement and destination. For SIMATIC NET CP 443-5 Extended requests, include the installed system, hardware or firmware revision, interface requirements and accessories.

Email SalesWhatsApp Sales

Email: sales6@apterpower.com  |  WhatsApp: +86 18159889985

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