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SKU:6ES7441-1AA03-0AE0
Siemens | 6ES7441-1AA03-0AE0 Communication Module Brand New
Manufacturer: Siemens
Product No.: 6ES7441-1AA03-0AE0
Product Type: Communication Module
Product Origin: DE
Payment:T/T, Western Union
Weight: 720g
Shipping port: Xiamen
Warranty: 12 months
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Description
SIEMENS 6ES7441-1AA03-0AE0 SIMATIC S7-400 CP 441-1 Communication Module
The SIEMENS 6ES7441-1AA03-0AE0, also cataloged as the CP 441-1 Communication Module, operates as a single-channel point-to-point interface with variable interface modules for 20 mA (TTY), RS 232C (V.24), and RS 422/485 connections within SIMATIC S7-400 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 6ES7441-1AA03-0AE0 |
| Brand | Siemens |
| Product Type | CP 441-1 Communication Module |
| Series | SIMATIC S7-400 |
| Weight | 720 g (approx.), interface module 100 g |
| Dimensions (W x H x D) | 25 mm x 290 mm x 210 mm |
| Rated Supply Voltage | 5 VDC and 24 VDC |
| Current from Backplane Bus | 700 mA max at 5 VDC (without interface module) |
| Interface Modules | 20 mA (TTY), RS 422/485 (X.27), RS 232C (V.24) |
| Interface Module Consumption | 300 mA max at 5 V; 45 mA max at 24 V (TTY) |
| Number of Interfaces | 1, variable |
| Shielded Cable Length | 1000 m (TTY), 10 m (RS 232), 1200 m (RS 422/485) |
| Transmission Rate | 38.4 kbit/s max overall; 19.2 kbit/s max on TTY |
| Integrated Protocols | 3964 (R), ASCII, Printer |
| Connections | 8 overall |
| Configuration Software | STEP 7 with own parameter assignment forms |
| Memory per Interface | 1 to 5 kbyte parameters; 0 to 55 kbyte message texts |
Variable Interface Physics and Protocol Handling
Unit weight is approximately 720 g with an interface module at approximately 100 g, dimensions of 25 mm width, 290 mm height, and 210 mm depth. The CP 441-1 accepts interchangeable interface modules for 20 mA (TTY), RS 232C (V.24), and RS 422/485 (X.27) physics. Shielded cable lengths are limited to 1000 m for TTY, 10 m for RS 232, and 1200 m for RS 422/485. Transmission rate reaches 38.4 kbit/s on RS 422/485 and RS 232, and 19.2 kbit/s on TTY across 3964 (R), ASCII, and printer drivers. Supported printers include HP-Deskjet, HP-Laserjet, IBM-Proprinter, and user-defined models. The module supports 8 connections overall with S7 extended communication. Backplane bus current draw is 700 mA maximum at 5 VDC without an interface module; interface modules draw up to 300 mA at 5 V and 45 mA at 24 V. Parameter memory requirements on the S7-CPU memory card are 1 to 5 kbyte for parameters and 0 to 55 kbyte for message texts. Configuration uses STEP 7 with dedicated parameter assignment forms. A configuration package is included on CD.
Frequently Asked Questions
Q: What is the weight and physical size of the 6ES7441-1AA03-0AE0?
A: Approximately 720 g, with dimensions of 25 mm width, 290 mm height, and 210 mm depth. The interface module weighs approximately 100 g.
Q: What interface physics does the CP 441-1 support?
A: Interchangeable interface modules for 20 mA (TTY), RS 232C (V.24), and RS 422/485 (X.27).
Q: What is the maximum cable length for each interface type?
A: 1000 m for TTY, 10 m for RS 232, and 1200 m for RS 422/485, all with shielded cable.
Field Installation Guidelines
Insert the module into the S7-400 rack and secure the mounting screws. Install the required interface module before energizing. Verify 5 VDC and 24 VDC supply availability. Route shielded cable within the limits of the installed interface physics: 1000 m for TTY, 10 m for RS 232, and 1200 m for RS 422/485. Ground the shield at one end. Confirm the protocol and printer driver configuration in STEP 7 matches the connected device before commissioning. Verify the S7-CPU memory card has capacity for up to 55 kbyte of message texts. Install the configuration package from CD before parameter assignment.
Additional Specifications
Scalar (V/f)
Vector
AC-powered
Buying Guide
- Confirm the exact model, part number, and specifications before ordering.
- Ensure compatibility with your current machinery or control systems.
- Reach out via sale@etowonauto.com or +8617859788089 for technical assistance.
- Review delivery options, lead times, and shipping requirements.
- Follow manufacturer instructions and best practices during installation.
Shipping And Return
In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.
Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.
For more details, please review our Shipping & Return Policy.

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