Single-channel SIMATIC S7-400 point-to-point communication processor with selectable interface module and protocol support.
Siemens 6ES7441-1AA03-0AE0 is a SIMATIC S7-400 CP 441-1 communication processor for one point-to-point serial connection. The installed interface submodule determines whether the channel uses 20 mA TTY, RS 232C or RS 422/485 electrical characteristics.
The module supports 3964(R), ASCII and printer protocol drivers and is configured with STEP 7 parameter-assignment dialogs. It is used to link barcode readers, printers, terminals and other serial devices to an S7-400 system when the required interface and protocol are matched.
| Manufacturer | Siemens |
|---|---|
| Complete part number | 6ES7441-1AA03-0AE0 |
| Product family | SIMATIC S7-400 CP 441 point-to-point processors |
| Official product lifecycle | PM500: Discontinued Product or end of PLM & Support |
| Official successor | 6ES7441-1AA04-0AE0 |
| Official reference | Siemens SiePortal and Siemens technical documentation for the exact order number |
| Product designation | SIMATIC S7-400 CP 441-1 |
|---|---|
| Communication channels | 1 variable point-to-point interface |
| Supported interface submodules | 20 mA TTY, RS 232C (V.24) or RS 422/485 (X.27) |
| Integrated protocol drivers | 3964(R), ASCII and printer |
| Maximum rate, RS 232 / RS 422/485 | 38.4 kbit/s |
| Maximum rate, 20 mA TTY | 19.2 kbit/s |
| Supported S7 function | S7 extended communication |
| Total connections | 8 |
| Supply ratings | 5 V DC and 24 V DC |
| Backplane current | Maximum 700 mA at 5 V DC without interface submodule |
| CPU memory requirement per interface | 1 to 5 kbytes for parameters; 0 to 55 kbytes for message texts |
| Engineering | STEP 7 with dedicated parameter-assignment dialogs |
| Dimensions (W × H × D) | 25 × 290 × 210 mm |
| Approximate module weight | 720 g; interface submodule approximately 100 g |
| Current portal net weight | 0.932 kg packaged product reference |
| Official successor | 6ES7441-1AA04-0AE0 |
Connects printers, barcode readers, terminals and protocol-compatible serial equipment to S7-400.
Supports user-defined ASCII message exchange when framing and timing are engineered for both devices.
Provides the Siemens 3964(R) protocol for point-to-point communication with compatible partners.
Verify the S7-400 rack and CPU, available slot, CPU memory, STEP 7 project, selected electrical interface submodule, protocol driver, baud rate, cable pinout and partner-device framing before ordering.
The official successor is 6ES7441-1AA04-0AE0. Compare hardware revision, interface submodule support, configuration package, project migration and cable requirements before replacement; do not assume automatic drop-in compatibility.
Official Siemens status: PM500: Discontinued Product or end of PLM & Support.
Siemens identifies the exact order number as end of product lifecycle and provides 6ES7441-1AA04-0AE0 as successor. Spare-part sourcing should confirm the interface submodule, configuration media, hardware revision, condition and warranty basis.
It is a single-channel SIMATIC S7-400 CP 441-1 processor for serial point-to-point communication.
The interface depends on the fitted submodule and can be 20 mA TTY, RS 232C or RS 422/485.
The module supports 3964(R), ASCII and printer drivers.
RS 232 and RS 422/485 support up to 38.4 kbit/s; 20 mA TTY supports up to 19.2 kbit/s.
Siemens places this order number at the end of its product lifecycle; the historical PLM wording is PM500: Discontinued Product or end of PLM & Support.
It is the official successor, but interface submodule, project, configuration package and cabling must be checked.
Send the exact part number, required quantity, destination and installed system details. We will check supply options, compatibility, global delivery and applicable warranty terms.
Email: sales6@apterpower.com
WhatsApp: +86 18159889985
Practical support from exact-model identification and compatibility review through inspection, packing and international delivery.
Our office team checks the complete order code, quantity, destination and documentation requirements before sourcing begins.
Received items are checked for model marking, housing condition, connector integrity and traceability before packing.
Protective packing is selected for the equipment type, route and delivery method, with shipment tracking arranged for global destinations.
| Stage | What We Check | Customer Value |
|---|---|---|
| 1. Identification | Manufacturer, complete part number, suffix and nameplate details | Reduces incorrect-model risk |
| 2. Compatibility review | S7-400 rack and CPU, STEP 7 project, interface submodule, protocol, baud rate, cable pinout, partner device and memory requirements | Supports informed replacement decisions |
| 3. Supply verification | Available condition, quantity, lead time and warranty basis | Clarifies commercial expectations |
| 4. Inspection and packing | Markings, visible condition, connectors, packing and dispatch records | Improves delivery traceability |
Share the required quantity, destination, S7-400 system details, interface submodule, protocol, baud rate, cabling and STEP 7 project version. We will check availability, compatibility, global delivery options and applicable warranty terms.
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Send the exact manufacturer part number, required quantity and destination. We will check availability, model identity, compatibility requirements, global delivery options and applicable warranty terms.
