A one-channel S7-400 point-to-point communication processor with interchangeable serial interface submodules.
The Siemens 6ES7441-1AA05-0AE0 is a SIMATIC S7-400 CP 441-1 communication processor for point-to-point connections. It provides one channel and accepts selectable interface submodules for RS 232C, 20 mA TTY or RS 422/485 communication.
Integrated protocol support includes ASCII, printer and 3964(R). The supplied configuration package supports engineering of the communication processor, while the selected interface submodule and partner-device protocol must be verified separately.
| Field | Verified information |
|---|---|
| Manufacturer | Siemens |
| Product lifecycle | PM300: Active Product |
| PLM effective date | Product phase-out since: 2025-10-01 |
| Official successor | Not stated on the cited Siemens product page |
| Country of origin | Germany |
| Parameter | Official value |
|---|---|
| Article number | 6ES7441-1AA05-0AE0 |
| Product type | SIMATIC S7-400 CP 441-1 communication processor |
| Communication channels | 1 |
| Selectable interfaces | RS 232C, 20 mA TTY, or RS 422/485 via interface submodule |
| Maximum baud rate | 115.2 kbit/s for RS 232C / RS 422/485 |
| 20 mA TTY baud rate | Up to 19.2 kbit/s |
| Integrated protocols | ASCII, printer, 3964(R) |
| Backplane supply | 5 V DC; 24 V DC supply supported |
| Backplane current | Maximum 300 mA without interface module |
| Power loss | Typically 2.1 W including one 20 mA TTY module |
| Configuration package | Included on CD |
| Net weight | 0.794 kg |
Connects compatible serial printers, drives, identification equipment or protocol devices to an S7-400 station.
The interface submodule can be selected for RS 232C, 20 mA TTY or RS 422/485 requirements.
Supports maintenance and expansion where CP 441-1 hardware and configured protocols are already established.
It is a SIMATIC S7-400 CP 441-1 processor for one-channel point-to-point communication.
Selectable interface submodules support RS 232C, 20 mA TTY or RS 422/485.
Siemens lists ASCII, printer and 3964(R) protocols.
RS 232C and RS 422/485 can operate up to 115.2 kbit/s; 20 mA TTY supports up to 19.2 kbit/s.
No. The installed submodule, protocol, cable and partner-device settings must all be verified.
Send the full order code, quantity, destination and installed system details for supply verification and a focused replacement check.
A procurement-focused workflow for exact order-code validation, configuration review, condition evidence and coordinated international delivery.
The complete order number is the starting point for every request. For 6ES7441-1AA05-0AE0, our review distinguishes the exact hardware from similar family members whose channels, interfaces, memory, firmware or load ratings can differ.
Customers can provide an installed-unit label, cabinet list, project details and application notes. These inputs help focus compatibility checks before dispatch and reduce the risk of receiving a similar-looking but unsuitable configuration.
Before shipment, an available unit can be checked against the requested model, visible identification, enclosure condition, connector areas and included accessories. Photo evidence can be arranged so purchasing and engineering teams share a clear receiving reference.
Packing is selected for sensitive industrial electronics, with protection for controls, connectors and exposed edges. Each shipment is organized around the confirmed quantity and destination to support reliable handling and internal handover.
The same order code is carried through availability review, quotation, packing confirmation and shipping coordination. Buyers receive a concise record of the requested model, quantity and destination rather than a generic series-level response.
For international projects, the team can coordinate commercial documentation, shipment planning and tracking details. Warranty terms are confirmed with the quotation so scope and conditions are understood before the order proceeds.
Full model and suffix verification helps prevent confusion with nearby hardware revisions.
Available label, connector and condition photos support internal approval and receiving checks.
System, configuration and interface details are reviewed around the actual application.
Quotation, documentation, packing and shipment communication remain aligned to the request.
| Step | Focus | What to send or confirm |
|---|---|---|
| 1 | Request definition | 6ES7441-1AA05-0AE0, quantity, destination and required delivery window. |
| 2 | Technical check | Installed label, system configuration, interfaces and application details (CP 441-1, 1 serial channel, Up to 115.2 kbit/s). |
| 3 | Evidence review | Visible identification, condition, connector area and available accessories. |
| 4 | Shipment coordination | Packing, commercial documents, tracking and warranty confirmation. |
Send the exact order code, quantity, destination and an installed-unit photo for an availability and compatibility review.
A mixed-brand reference list of 70 industrial automation models. These models are not presented as substitutes for 6ES7441-1AA05-0AE0; verify every complete order code independently.
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| T675A 1516 | ABB 1SD AO 13783 R1 | MU-A30VD-K1 E12948451 | ETC333 |
| ABB 1SAP450000R0001 AO523 | 105S-1 | COM-3300 | SF50339 |
| CNC-61 0610520OC110043H | 71026978 ,92F | ABB SA/S 8.16.2.1 | MSE-C20 352802 |
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Send the exact part number, manufacturer, quantity and destination for availability verification, compatibility checking, global shipping coordination and warranty information.
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