# Beckhoff CX8110

Hardware · `CX8110` · verification: source checked

The Beckhoff CX8110 is a control system with an EtherCAT slave interface and TwinCAT 3 runtime. It connects E-bus or K-bus I/O terminals and is programmed via the Ethernet interface using TwinCAT 3. It uses an Arm Cortex-A9 processor, has 512 MB DDR3 RAM, and operates from 24 V DC.

## Specification

| Property | Value |
|---|---|
| Category | embedded pc |
| Weight | 0.23 kg |
| Processor | Arm Cortex-A9, 800 MHz |
| Supply voltage | 24 V DC (-15%/+20%) |
| Power consumption | 0.004 kW |
| IP rating | IP20 |
| Operating temp min | -25 °C |
| Operating temp max | 60 °C |

## Connected

- Manufacturer: [Beckhoff Automation](https://machineschema.com/manufacturer/beckhoff.md)
- Protocols: [EtherCAT](https://machineschema.com/protocol/ethercat.md), [MQTT](https://machineschema.com/protocol/mqtt.md), [Modbus TCP](https://machineschema.com/protocol/modbus-tcp.md), [OPC UA](https://machineschema.com/protocol/opc-ua.md)

## Safety

- Approvals/markings: CE, UL.
- Protection rating: IP20.
- Operating temperature range: -25 to +60 °C; relative humidity 95%, no condensation.

## Study notes

- Product status: regular delivery (not recommended for new projects); recommended alternative: CX8210.
- Operating system: Windows Embedded Compact 7; extended support end date has passed and security updates can no longer be provided; TwinCAT is supported only up to build 4024.
- I/O connection: E-bus or K-bus, with automatic recognition during start-up.
- Memory: 512 MB DDR3 RAM (not expandable); microSD slot with 512 MB card included (optionally expandable).
- Dimensions: 71 mm x 100 mm x 73 mm.
- Modbus RTU is listed among available TwinCAT 3 protocols but has no matching protocol entry.
- TwinCAT 3 licenses must be ordered via the TwinCAT 3 price list.
- Diagnostics LEDs: 1 x TC status, 1 x EC Run, 1 x EC Err.
- 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.
- Storage temperature: -40 to +85 °C.

## Sources

1. [Embedded PC with Arm® Cortex®-A9 and EtherCAT slave](https://www.beckhoff.com/en-en/products/ipc/embedded-pcs/cx8100-arm-r-cortex-r-a9/cx8110.html) (accessed 2026-10-25)

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