BECKHOFF CX5120 Embedded PC Intel Atom 1.46 GHz - CX5120
The Beckhoff CX5120-0155 is an embedded industrial PC powered by an Intel Atom E3815 single-core processor running at 1.46 GHz. It provides high-performance control capabilities with low power consumption and seamless compatibility with the CX5000 hardware platform.
Specifications
| Condition |
New / Never Used Surplus |
| Brand |
Beckhoff |
| Category |
Controls & Indicators |
| Part Number |
CX5120-0155 |
| Subcategory |
CPU / Control Board Processor |
| Processor |
Intel Atom® E3815 |
| Processor Speed |
1.46 GHz |
| Number of Cores |
1 |
| Main Memory |
2 GB DDR3 RAM (non-expandable) |
| Flash Storage |
CFast card slot, microSD slot (not included) |
| Persistent Memory |
Integrated 1-second UPS (1 MB on CFast) |
| Ethernet Interfaces |
2 × RJ45 10/100/1000 Mbit/s |
| USB Interfaces |
4 × USB 2.0 |
| Video Output |
1 × DVI-I |
| Optional Interface |
1 × factory-installed option |
| I/O Connection |
E-bus or K-bus (automatic detection) |
| Control Software |
TwinCAT 2 Runtime, TwinCAT 3 Runtime (XAR) |
| Power Supply |
24 V DC (-15% / +20%) |
| Max. Power Consumption |
11 W (18 W with UPS charging) |
| Protection Rating |
IP20 |
| Operating Temperature |
−25…+60 °C |
| Storage Temperature |
−40…+85 °C |
| Dimensions (W × H × D) |
122 × 100 × 92 mm |
| Weight |
Approx. 975 g |
What our Experts Think
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A compact industrial control powerhouse, the Beckhoff CX5120 Embedded PC is designed for reliable automation, machine control, and edge computing applications.
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Intel Atom 1.46 GHz processor delivers efficient performance, providing low-power operation while handling PLC tasks, visualization, and control processes.
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PC-based control architecture enables advanced automation, with seamless integration into the Beckhoff ecosystem and TwinCAT environment.
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Fanless embedded design improves reliability, reducing maintenance needs and making it suitable for continuous industrial operation.
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DIN-rail mounting saves control cabinet space, allowing easy integration into compact machine and automation panels.
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Flexible connectivity supports industrial networks, making it a strong choice for I/O control, data collection, and distributed automation systems.
Q&A
Q: What is the Beckhoff CX5120 Embedded PC?
A: The Beckhoff CX5120 is a compact industrial embedded PC designed for PLC control, automation systems, machine control, and data processing applications.
Q: What are the main features of the CX5120?
A: It includes an Intel Atom 1.46 GHz processor, fanless design, modular I/O expansion, and support for Beckhoff TwinCAT automation software.
Q: What applications is the CX5120 used for?
A: It is commonly used for industrial automation, motion control, building automation, process monitoring, and EtherCAT-based control systems.
Q: Does the CX5120 support EtherCAT?
A: Yes. It can connect with Beckhoff EtherCAT terminals and distributed I/O systems for flexible automation setups.
Q: Why choose the CX5120 over a traditional PLC?
A: The CX5120 combines PLC functionality with PC-based processing power in a compact, space-saving industrial controller.
Q: Is the CX5120 suitable for continuous industrial operation?
A: Yes. Its fanless construction and rugged embedded design support reliable long-term operation in industrial environments.
Maintenance Tips
- Keep ventilation areas clean and free from dust buildup.
- Check DIN rail mounting and terminal connections regularly.
- Monitor operating temperature and ensure proper airflow.
- Inspect power, Ethernet, and I/O connections for secure fit.
- Back up PLC programs and system configurations regularly.
- Keep TwinCAT software and controller firmware updated.
- Protect the unit from vibration, moisture, and contaminants.
- Store in a dry, controlled industrial environment.
Damage 
Loss 
Theft 
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