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Siemens SIMATIC S7-400

6ES7441-2AA03-0AE0

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A two-channel point-to-point communication processor for SIMATIC S7-400 systems, using selectable interface submodules and standard or loadable serial protocols.

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QuotationCurrent commercial details

DeliveryDHL · FedEx · UPS

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Siemens 6ES7441-2AA03-0AE0

Technical Specifications

Source-verified identification, configuration, installation and operating data for 6ES7441-2AA03-0AE0.

01Product IdentityManufacturer and order data

ManufacturerSiemens

Order number6ES7441-2AA03-0AE0

Product nameCP 441-2

System familySIMATIC S7-400

02InterfacesPublished channel data

Communication channels2

Interface types20 mA TTY; RS232C; RS422/485

RS232 cable length10 m maximum

Maximum total rate115.2 kbit/s across both interfaces

03Protocols & CablingPublished communication data

Integrated protocols3964(R), ASCII, RK512 and printer

Loadable custom driversSupported

Maximum TTY cable1000 m

Maximum RS422/485 cable1200 m

04Electrical & MechanicalPublished module data

Backplane current700 mA maximum at 5 V DC

Parameter memory / interface1 to 5 KB

Dimensions25 × 290 × 210 mm

Net weight720 g

Siemens 6ES7441-2AA03-0AE0 Product Support

Frequently Asked Questions

Product-specific configuration, compatibility, application and ordering guidance for 6ES7441-2AA03-0AE0.

Which interface submodule belongs with CP 441-2?

Choose the documented 20 mA TTY, RS232C or RS422/485 submodule that matches the field device and cable standard.

How are the two serial channels configured?

Set the selected interface, baud rate, framing, protocol and CPU communication parameters independently in the S7-400 project.

Which standard protocols can run on 6ES7441-2AA03-0AE0?

The module provides 3964(R), ASCII, RK512 and printer functions, with loadable drivers available for specific applications.

How should long serial links be planned?

Use the interface-specific distance limit, suitable cable and termination; published maxima reach 1000 m for TTY and 1200 m for RS422/485.

How can receive or transmit faults be diagnosed?

Check interface selection, pinout, termination, framing, baud rate, protocol status, cable shielding and diagnostic buffers.

Which factors matter in an S7-400 migration?

Review serial protocols, driver blocks, interface electrical levels, cable lengths, CPU program and the replacement platform’s communication options.

Which components should be included with a spare order?

Specify the full CP MLFB, both required interface submodules, connectors, configuration software needs and any custom driver licenses.

Order Fulfilment

Payment and Worldwide Delivery

AMIKON coordinates product verification, commercial confirmation, packing and international shipment for industrial automation parts. Each order is handled according to the confirmed model, quantity and delivery destination.

Order Confirmation

Model, part number, quantity, availability, lead time and payment terms are confirmed in the formal quotation or proforma invoice.

Product Preparation

The item reference is checked before dispatch. Packaging is selected to protect industrial components during international transport.

International Shipping

Shipment can be arranged through DHL, FedEx or UPS according to the destination, parcel size and confirmed order requirements.

Dispatch and Tracking

Dispatch information and the available tracking reference are shared after the shipment has been collected by the selected carrier.

AMIKON Service Standards

Support at Every Stage of Your Order

Clear assistance from initial product identification through dispatch and after-sales communication.

Product IdentificationThe manufacturer, complete model and part-number details are reviewed before quotation.

Dedicated Sales ContactLisa Lin provides quotation and order communication through email and WhatsApp.

Order DocumentationCommercial, packing and shipment details are supplied according to the confirmed order.

After-Sales CommunicationFor support, provide the order reference, product label, fault description and clear photos.

Pre-Dispatch VerificationThe product label, model reference, quantity and visible condition are checked against the confirmed order before packing.

Global Logistics CoordinationInternational express or freight arrangements are coordinated according to the destination, shipment size and confirmed delivery terms.

Important delivery information

Product availability, dispatch date, freight cost and delivery time depend on the confirmed order and destination. Packing lists, commercial invoices and available origin documentation can be prepared according to the confirmed order. Please contact AMIKON for current commercial and shipping details.

AMIKON Professional Services

Warranty, Sourcing and Global Export Support

With 20 years of experience in industrial automation, AMIKON supplies discontinued and hard-to-find DCS, PLC and TSI spare parts to customers worldwide.

01 · WARRANTY

12-Month Product Warranty

Products supplied by AMIKON include a standard 12-month warranty. Warranty handling is based on the confirmed order, product label, fault information and supporting photos or videos.

02 · SPECIALIST SOURCING

Discontinued and Hard-to-Find Parts

Our sourcing service focuses on industrial automation DCS, PLC and TSI spare parts, including obsolete, discontinued and scarce models required for maintenance and replacement projects.

03 · GLOBAL EXPORT LOGISTICS

One-Stop International Shipping

AMIKON can coordinate domestic export customs procedures and arrange international express or sea freight. Packing lists, commercial invoices and available origin documentation can be prepared according to the confirmed order.

04 · TECHNICAL INFORMATION

Model and Specification Support

We assist customers with model identification, specification review, compatibility checks and Datasheet or manual searches. Support also includes distinguishing earlier and later model versions and checking whether a submitted model reference is complete and correctly written.

05 · PRE-DISPATCH CHECK

Product Verification Before Shipment

The product label, complete model, part number, quantity and visible condition are reviewed against the confirmed order before packing.

06 · INDUSTRIAL PACKAGING

Secure Packing for International Transit

Packaging is selected according to the component type, shipment size and transport method to support safe international handling.

07 · ORDER DOCUMENTATION

Commercial and Shipping Documents

Commercial invoices, packing lists and available origin information can be prepared according to the confirmed order and destination requirements.

08 · AFTER-SALES SUPPORT

Responsive Order Follow-Up

For order support, customers can provide the order reference, product label, issue description and clear photos for review by the AMIKON team.

Need help identifying a spare part?Send the complete manufacturer, model, part number and clear product-label photos to Lisa Lin.

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Siemens 6ES7441-2AA03-0AE0 SIMATIC S7-400 CP 441-2 Communication Processor

6ES7441-2AA03-0AE0

20 Years of Experience in Industrial Automation Supply

6ES7441-2AA03-0AE0

Technical Specifications

Frequently Asked Questions

Which interface submodule belongs with CP 441-2?

How are the two serial channels configured?

Which standard protocols can run on 6ES7441-2AA03-0AE0?

How should long serial links be planned?

How can receive or transmit faults be diagnosed?

Which factors matter in an S7-400 migration?

Which components should be included with a spare order?

Payment and Worldwide Delivery

Order Confirmation

Product Preparation

International Shipping

Dispatch and Tracking

Support at Every Stage of Your Order

Warranty, Sourcing and Global Export Support

12-Month Product Warranty

Discontinued and Hard-to-Find Parts

One-Stop International Shipping

Model and Specification Support

Product Verification Before Shipment

Secure Packing for International Transit

Commercial and Shipping Documents

Responsive Order Follow-Up

Recommended Industrial Models

Related Products