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SKU:6ES7440-1CS00-0YE0
Siemens CP 440-1 6ES7440-1CS00-0YE0 Communication Module
Manufacturer: Siemens
Product No.: 6ES7440-1CS00-0YE0
Product Type: Communication Module
Product Origin: DE
Payment:T/T, Western Union
Weight: 600g
Shipping port: Xiamen
Warranty: 12 months
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Description
SIEMENS 6ES7440-1CS00-0YE0 SIMATIC S7-400 CP 440-1 Communication Module
The SIEMENS 6ES7440-1CS00-0YE0, also cataloged as the CP 440-1 Communication Module, operates as a single-channel point-to-point interface supporting 3964 (R) and ASCII protocols on RS 422/485 within SIMATIC S7-400 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 6ES7440-1CS00-0YE0 |
| Brand | Siemens |
| Product Type | CP 440-1 Communication Module |
| Series | SIMATIC S7-400 |
| Weight | 600 g (approx.) |
| 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 | 360 mA max at 5 VDC |
| Power Loss | 1.7 W typ. |
| Number of Interfaces | 1 |
| Physical Interface | RS 422/485 (X.27) |
| Shielded Cable Length | Max 1200 m |
| Integrated Protocols | 3964 (R), ASCII |
| Transmission Rate | Max 115.2 kbit/s (both protocols) |
| Configuration Software | STEP 7 with own parameter assignment forms |
| Memory per Interface | 1 to 5 kbyte on S7-CPU memory card |
Point-to-Point Interface and Protocol Handling
Unit weight is approximately 600 g with dimensions of 25 mm width, 290 mm height, and 210 mm depth. The CP 440-1 provides a single RS 422/485 (X.27) physical interface for point-to-point connections, supporting shielded cable lengths up to 1200 m. Integrated protocol drivers cover 3964 (R) and ASCII, both operating at a maximum transmission rate of 115.2 kbit/s. Power loss is 1.7 W typical, with backplane bus current draw of 360 mA maximum at 5 VDC. Parameter memory requirements on the S7-CPU memory card range from 1 to 5 kbyte per interface. 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 6ES7440-1CS00-0YE0?
A: Approximately 600 g, with dimensions of 25 mm width, 290 mm height, and 210 mm depth.
Q: Which protocols does the CP 440-1 support?
A: Integrated 3964 (R) and ASCII protocol drivers, both at a maximum transmission rate of 115.2 kbit/s.
Q: What is the maximum cable length for the RS 422/485 interface?
A: 1200 m with shielded cable.
Field Installation Guidelines
Insert the module into the S7-400 rack and secure the mounting screws. Verify 5 VDC and 24 VDC supply availability before energizing. Route RS 422/485 shielded cable to a maximum of 1200 m, with the shield grounded at one end. Confirm the protocol configuration in STEP 7 matches the connected device before commissioning. Verify the S7-CPU memory card has sufficient capacity for 1 to 5 kbyte of parameter data per interface. 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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