# Beckhoff CX5340

Hardware · `CX5340` · verification: source checked

The CX5340 is an embedded PC built on an Intel Atom x6425RE quad-core processor at 1.9 GHz with 8 GB LPDDR4 RAM. It provides two Gigabit-capable Ethernet interfaces, four USB 3.1 ports, one DisplayPort, and an optional interface or E-bus/K-bus I/O level. With a TwinCAT 3 runtime it can run PLC, PLC/motion control, and interpolating motion control applications; cooling is passive and the power supply is electrically isolated.

## Specification

| Property | Value |
|---|---|
| Category | embedded pc |
| Weight | 1.195 kg |
| Ethernet ports | 2 |
| Processor | Intel Atom® x6425RE, 1.9 GHz |
| Supply voltage | 24 V DC (-15%/+20%) |
| Power consumption | 0.019 kW |
| IP rating | IP20 |
| Operating temp min | -25 °C |
| Operating temp max | 60 °C |

## Connected

- Manufacturer: [Beckhoff Automation](https://machineschema.com/manufacturer/beckhoff.md)

## Safety

- Protection rating is IP20.
- Approvals/markings: CE, UL; with CX2900-0110 ordering option: ATEX, IECEx, cFMus.
- ATEX marking with the option: II 3G Ex ec IIC T4 Gc.
- IECEx marking with the option: Ex ec IIC T4 Gc.
- cFMus marking with the option: Class I, Division 2, Groups A, B, C, D; Class I, Zone 2, AEx ec IIC T4 Gc.
- Use in hazardous areas Zone 2/22 or Class I, Division 2 requires the CX2900-0110 device modification; it is mandatory and includes label repositioning and a mounting bracket for mechanical locking of connectors.
- Read the device documentation for use in hazardous areas carefully.

## Study notes

- Processor has 4 cores.
- Main memory is 8 GB LPDDR4 RAM, expandable ex factory to 16 GB.
- Flash memory uses a slot for CFast card and microSD card; cards are not included.
- Integrated 1-second UPS stores 1 MB on CFast card.
- Cooling is passive.
- Diagnostics LEDs: 1 x power, 1 x TC status, 1 x flash access, 2 x bus status.
- I/O connection is E-bus or K-bus with automatic recognition.
- Operating systems offered: Windows 10 IoT Enterprise 2021 LTSC, Windows 11 IoT Enterprise 2024 LTSC, TwinCAT/BSD, Beckhoff RT Linux.
- Control software is TwinCAT 3 runtime (XAR); licenses are not included.
- Max power consumption with loading UPS is 38 W; max power consumption for E-bus/K-bus is 10 W (5 V/max. 2 A).
- Dimensions are 142 mm x 100 mm x 92 mm.
- Storage temperature range is -40…+85°C; relative humidity is 95% without condensation.

## Sources

1. [Embedded PC with Intel Atom® x6425RE](https://www.beckhoff.com/en-en/products/ipc/embedded-pcs/cx5300-intel-atom-r-x6/cx5340.html) (accessed 2026-10-25)

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