CX5120 - Beckhoff Embedded PCs
CX5120 is a powerful Embedded PC from Beckhoff, designed for mid-range control tasks in industrial automation. The CX5120 Embedded PC combines Intel Atom processing power, flexible I/O options, and TwinCAT software to meet the demands of decentralized systems and modular machine designs.
| Brand | Beckhoff |
| Product Type | Embedded PCs |
| Product | CX5120 |
CX5120 Beckhoff Embedded PCs Technical Specifications
| Specification | Value |
|---|---|
| Processor | Intel Atom ® E3815, 1.46 GHz |
| Number of cores | 1 |
| Flash memory | slot for CFast card and microSD card, cards not included |
| Main memory | 2 GB DDR3 RAM (not expandable) |
| 1-second UPS | integrated (1 MB on CFast card) |
| Interfaces | 2 x RJ45 10/100/1000 Mbit/s, 1 x DVI-I, 4 x USB 2.0, 1 x optional interface |
| Cooling | passive |
| Diagnostics LED | 1 x power, 1 x TC status, 1 x flash access, 2 x bus status |
| Clock | internal battery-backed clock for time and date (battery exchangeable) |
| Operating system | Windows Embedded Compact 7, Windows Embedded Standard 7, Windows 10 IoT Enterprise 2016 LTSB, Windows 10 IoT Enterprise 2019 LTSC, Windows 10 IoT Enterprise 2021 LTSC, TwinCAT/BSD |
| Control software | TwinCAT 2 runtime TwinCAT 3 runtime (XAR) |
| I/O connection | E-bus or K-bus, automatic recognition |
| Power supply | 24 V DC (-15%/+20%) |
| Current supply E-bus/K-bus | 2 A |
| Max. power consumption | 11 W |
| Max. power consumption E-bus/K-bus | 10 W (5 V/max. 2Â A) |
| Dimensions (W x H x D) | 122 mm x 100 mm x 92 mm |
| Weight | approx. 975 g |
| Operating temperature | -25…+60°C |
| Storage temperature | -40…+85°C |
| Relative humidity | 95%, no condensation |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protection rating | IP20 |
| Approvals/markings | CE, UL, with CX2900-0107 ordering option: ATEX, IECEx, cFMus |
| TwinCAT 3 platform level | ATEX: II 3 G Ex nA IIC T4 Gc II 3 D Ex tc IIIC T135 °C Dc IECEx: Ex nA IIC T4 Gc Ex tc IIIC T135 °C Dc cFMus: Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx ec IIC T4 Gc |
| Ex marking | Performance (40); please see here for an overview of all the TwinCAT 3 platform level |
CX5120 by Beckhoff is a compact yet high-performance Embedded PC equipped with an Intel Atom® E3815 processor running at 1.46 GHz. It features 2 GB DDR3 RAM and supports storage through both CFast and microSD cards, offering robust performance for control, motion, and data processing in automation systems. This model supports multiple operating systems including Windows Embedded Compact 7, Windows 10 IoT Enterprise LTSC, and TwinCAT/BSD, giving engineers flexibility in application design.
The CX5120 Embedded PC supports TwinCAT 2 and TwinCAT 3 runtime (XAR), making it ideal for PLC, HMI, and motion control applications. It comes with 2 x Gigabit Ethernet ports for fast communication, 4 x USB 2.0 ports for peripheral expansion, and a DVI-I interface for display output. It includes an integrated 1-second UPS for data retention during sudden power loss and a battery-backed real-time clock to maintain accurate timing functions. The system supports both E-bus and K-bus for automatic I/O recognition, enabling seamless modular scalability in control cabinet environments.
Operating in harsh industrial conditions from -25°C to +60°C, this unit conforms to EN 60068-2-6/27 standards for vibration and shock and meets EMC compliance per EN 61000-6-2/6-4. With a 24 V DC input and 11 W max power consumption, the CX5120 delivers excellent energy efficiency. It carries global certifications including CE, UL, and—when ordered with the CX2900-0107 option—ATEX, IECEx, and cFMus for hazardous environments. Built for industrial reliability and backed by Beckhoff’s engineering excellence, the CX5120 Embedded PC is a trusted control solution across industries. Explore more on the official product page: Beckhoff CX5120 Embedded PCs.
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