Description
The Beckhoff CX5120-0121 CPU module is a high-performance DIN rail–mounted embedded controller designed for PLC-based automation applications. It is powered by an Intel Atom E3815 processor and runs Microsoft Windows Embedded Standard 7 P with TwinCAT 2 PLC runtime support. This CPU module provides robust processing, communication, and I/O integration for industrial control systems.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Beckhoff |
| Category |
Industrial Automation |
| Part Number |
CX5120-0121 |
| Subcategory |
CPU Modules |
| Processor |
Intel Atom E3815 |
| Clock Frequency |
1.20 GHz |
| Processor Cores |
1 |
| Architecture |
32-bit |
| Operating System |
Windows Embedded Standard 7 P |
| Control Software Runtime |
TwinCAT 2 PLC, TwinCAT 3 (XAR) |
| RAM |
2 GB DDR3 (Non-Expandable) |
| Flash Storage |
CFast & microSD |
| Included Storage |
512 MB microSD |
| NVRAM |
128 kB |
| Ethernet Interfaces |
2 × RJ45 10/100/1000 Mbps |
| USB Interfaces |
4 × USB 2.0 |
| Video Interface |
1 × DVI-I |
| I/O Bus Connection |
Auto-recognizing E-bus or K-bus |
| Current Supply (E-/K-bus) |
2 A |
| Power Supply |
24 V DC (–15% / +20%) |
| Power Consumption |
Approx. 10 W |
| Cooling Method |
Passive (Fanless) |
| Real-Time Clock |
Battery-backed, exchangeable |
| Weight |
1.8 lbs |
Information About CX5120-0121
The CX5120-0121 is part of Beckhoff’s CX5100 series, engineered for demanding automation tasks requiring higher memory and processing capability. It features a fanless, passively cooled design suitable for continuous industrial operation. The controller supports TwinCAT 2 and TwinCAT 3 (XAR) runtimes and offers flexible storage via CFast and microSD slots. With automatic E-bus and K-bus recognition, it integrates seamlessly with Beckhoff I/O systems and EtherCAT terminals.
Key Features:
- Intel Atom E3815 Processor: Single-core 32-bit CPU operating at 1.20 GHz for reliable PLC execution.
- Windows Embedded Standard 7 P: Industrial operating system optimized for embedded control environments.
- TwinCAT Runtime Support: Compatible with TwinCAT 2 PLC and TwinCAT 3 (XAR) control software.
- Fanless Passive Cooling: Maintenance-free design for industrial control cabinets.
- High Memory Capacity: Includes 2 GB DDR3 RAM and 512 MB microSD storage.
- Multiple Communication Interfaces: Dual Gigabit Ethernet, USB, and DVI-I connectivity.
- Flexible I/O Integration: Auto-recognizing E-bus or K-bus connection for Beckhoff terminals.
The CX5120-0121 delivers the reliability and precision required for advanced PLC-based industrial automation systems.
