Beckhoff CX5140-0120 Embedded PC

The Beckhoff CX5140-0120 is a powerful Embedded PC designed for PLC and motion control applications in industrial environments. Powered by a 1.91 GHz Intel Atom® E3845 quad-core processor, it delivers advanced multi-core performance while maintaining a fanless, energy-efficient design.

This compact DIN rail-mounted unit features 4 GB DDR3 RAM, dual Gigabit Ethernet, four USB 2.0 ports, DVI-I video output, and configurable I/O via E-bus or K-bus terminals. Its robust architecture supports TwinCAT 2 and TwinCAT 3 runtimes, and multiple operating systems including Windows 10 IoT Enterprise and TwinCAT/BSD. With onboard UPS, extended temperature range, and optional ATEX/IECEx certifications, the CX5140-0120 is ideal for mission-critical automation.

Technical Specifications

Manufacturer: Beckhoff
Part Number: CX5140-0120 Beckhoff
Product Type: Embedded PC / Industrial Controller
Series: CX5100

Processor & Memory

Processor: Intel Atom® E3845, 1.91 GHz, Quad-Core (TC3: 50)
Main Memory: 4 GB DDR3 RAM (not expandable)
Flash Memory: Slot for CFast card and microSD card (cards not included)
Persistent Memory: Integrated 1-second UPS (1 MB on CFast card)

Operating System & Software

Operating System: Windows Embedded Compact 7 / Windows Embedded Standard 7 / Windows 10 IoT Enterprise 2016, 2019, 2021 LTSC / TwinCAT/BSD
Control Software: TwinCAT 2 runtime and TwinCAT 3 runtime (XAR)

Interfaces & Connectivity

Ethernet: 2 x RJ45 (10/100/1000 Mbit/s)
USB: 4 x USB 2.0
Display: 1 x DVI-I
Optional Interface: 1 x configurable port
I/O Interface: E-bus or K-bus (auto-detect)
Diagnostic LEDs: Power, Flash Access, TC Status, 2 x Bus Status
Clock: Internal battery-backed RTC (exchangeable)

Power & Environmental

Power Supply: 24 V DC (-15% / +20%)
Current Supply (E-bus/K-bus): 2 A
Max. Power Consumption: 16 W (23 W with UPS load)
Max. I/O Bus Power: 10 W (5 V / 2 A)
Cooling: Fanless, passive convection
Operating Temperature: -25…+60°C
Storage Temperature: -40…+85°C
Humidity: 95% RH, non-condensing
Protection Class: IP20
EMC Standards: EN 61000-6-2 / EN 61000-6-4
Vibration/Shock Resistance: EN 60068-2-6 / EN 60068-2-27

Mechanical Specifications

Mounting: DIN Rail
Dimensions (W x H x D): 142 mm x 100 mm x 92 mm
Weight: Approx. 1095 g

Approvals & Markings

Certifications: CE, UL, DNV GL
Optional Certifications (with CX2900-0107): ATEX, IECEx, cFMus
Ex Marking:
– 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-D; Class I, Zone 2, AEx ec IIC T4 Gc

Key Features

✅ Intel Atom E3845 Quad-Core CPU: Efficient performance for industrial control.

✅ DIN Rail Mountable: Compact design for easy integration.

✅ Rich I/O Options: DVI-I, USB, Ethernet, and configurable interfaces.

✅ Flexible OS & Runtime: Supports TwinCAT 2/3 and multiple Windows versions.

✅ Industrial-Grade Design: Fanless, wide temp range, IP20-rated.

✅ Certified & Compliant: CE, UL, ATEX, IECEx (optional).

📦 Buy Beckhoff CX5140-0120 – Compact Industrial Embedded PC with Quad-Core Atom CPU & TwinCAT Support

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Built for scalable PLC and motion solutions in demanding automation environments.

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