# Beckhoff CX7293

Hardware · `CX7293` · verification: source checked

Beckhoff CX7293 is an embedded PC for industrial control. It uses an Arm Cortex-A9 single-core processor at 720 MHz, runs TwinCAT/RTOS, and has 512 MB DDR3 RAM plus a microSD slot. It provides eight 24 V DC digital inputs and four 24 V DC digital outputs, connects to E-bus or K-bus I/O terminals, is programmed with TwinCAT 3 over Ethernet, and has a PROFINET RT device interface.

## Specification

| Property | Value |
|---|---|
| Category | embedded pc |
| Weight | 0.22 kg |
| Ethernet ports | 3 |
| Processor | Arm® Cortex®-A9, 720 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: [PROFINET](https://machineschema.com/protocol/profinet.md)

## Safety

- Approvals/markings: CE, UL.

## Study notes

- Flash memory: microSD slot, 512 MB card included; optionally expandable.
- Main memory: 512 MB DDR3 RAM, not expandable.
- Integrated I/O: 8 multi-functional inputs (24 V DC) and 4 multi-functional outputs (24 V DC, 0.5 A, 1-wire).
- Bus interface: 2 x RJ45 switched with PROFINET RT device; transmission rate 10/100/1000 Mbit/s.
- I/O connection: E-bus or K-bus with automatic recognition at start-up.
- Operating system: TwinCAT/RTOS; control software: TwinCAT 3 runtime (XAR) from TwinCAT 3.1 Build 4026 (XAE).
- Integrated 1-second UPS with 1 MB on microSD card.
- Internal capacitor-buffered real-time clock for time and date, storage capacity >21 days.
- Dimensions (W x H x D): 71 mm x 100 mm x 73 mm.
- Included TwinCAT 3 functions: TC1000, TC1100, TC1200, TF4100, TF4110, TF6255 (Modbus RTU), TF6340, TF6701 (MQTT), TF6730.
- Multi-functional I/O includes digital input per EN 61131-2 type 3, counter, incremental encoder interface, 2 analog inputs 0…10 V, and 2 PWM outputs.
- Relative humidity: 95%, no condensation; storage temperature: -40…+85°C.

## Sources

1. [Embedded PC with Arm® Cortex®-A9, PROFINET RT device and integrated I/Os](https://www.beckhoff.com/en-en/products/ipc/embedded-pcs/cx7000-arm-r-cortex-r/cx7293.html) (accessed 2026-10-25)

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