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Beckhoff CX8290

The CX8290 is an Embedded PC used as a controller with a second switched Ethernet port. It uses an Arm Cortex-A53 dual-core processor at 1.2 GHz and runs Beckhoff RT Linux. It is programmed with TwinCAT 3 and connects E-bus or K-bus I/O terminals, with a 24 V DC supply.

Source checked8/8 values · 2026-10-25Beckhoff AutomationEmbedded PC
IP rating
IP20
Weight
0.22kg

Specification

1 source
Categoryembedded pc
ProcessorArm® Cortex®-A53, 1.2 GHz
Supply voltage24 V DC (-15%/+20%)
Power consumption0.004 kW
Operating temp min-25 °C
Operating temp max60 °C

Quick answers

How much does the Beckhoff CX8290 weigh?
0.22 kg, per Embedded PC with Arm® Cortex®-A53 and 2-port Ethernet switch (beckhoff.com).
What is the IP rating of the Beckhoff CX8290?
IP20, per Embedded PC with Arm® Cortex®-A53 and 2-port Ethernet switch (beckhoff.com).

Study notes

  • Operating system: Beckhoff RT Linux®; control software: TwinCAT 3 runtime (XAR) from TwinCAT 3.1 Build 4026 (XAE).
  • Main memory is 1 GB LPDDR4 RAM and is not expandable.
  • Flash memory is a microSD card slot; the card is not included and requires a minimum capacity of 16 GB.
  • Integrated 1-second UPS uses 1 MB on the microSD card.
  • Internal capacitor-buffered real-time clock for time and date has a storage capacity greater than 21 days.
  • Bus interface: 2 x Ethernet RJ45 switched 10/100/1000 Mbit/s; PROFINET (TF627x), EtherNet/IP (TF628x), and BACnet/IP (TF8020) are optional TwinCAT functions.
  • I/O connection: E-bus or K-bus, with automatic recognition of the connected I/O system during start-up.
  • Cooling is passive; dimensions are 71 mm x 100 mm x 73 mm.
  • Current supply for E-bus/K-bus is 2 A; maximum power consumption for E-bus/K-bus is 10 W (5 V/max. 2 A).
  • TwinCAT 3 platform level is Economy (20).
  • Diagnostics LEDs: 1 x TC status, 1 x WD, 1 x error.
  • TwinCAT 3 licenses must be ordered via the TwinCAT 3 price list.

Safety

  • Approvals/markings: CE, UL.
  • 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.
  • Relative humidity: 95%, no condensation.
  • Storage temperature: -40…+85 °C.
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