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Beckhoff CX7051

The Beckhoff CX7051 is an embedded PC with an Arm Cortex-M7 single-core processor running at 480 MHz. It has eight multi-functional 24 V DC inputs, four multi-functional 24 V DC outputs, one Ethernet interface, and a CANopen responder (slave) interface. It runs TwinCAT/RTOS and is programmed with TwinCAT 3 via Ethernet; E-bus or K-bus terminals can be attached as required.

Source checked9/9 values · 2026-10-25Beckhoff AutomationEmbedded PC
CX7051X11 × ETHERNETArm® Cortex®-M7, 480 MHz24 V DC (-15%/+20%)IP20CX7051 · FRONTSchematic · port count from spec
IP rating
IP20
Weight
0.142kg

Specification

1 source
Categoryembedded pc
Ethernet ports1
ProcessorArm® Cortex®-M7, 480 MHz
Supply voltage24 V DC (-15%/+20%)
Operating temp min-25 °C
Operating temp max60 °C

Quick answers

How much does the Beckhoff CX7051 weigh?
0.142 kg, per Embedded PC with Arm® Cortex®-M7, CANopen responder (slave) and integrated I/Os (beckhoff.com).
What is the IP rating of the Beckhoff CX7051?
IP20, per Embedded PC with Arm® Cortex®-M7, CANopen responder (slave) and integrated I/Os (beckhoff.com).

Study notes

  • Integrated I/O: 8 multi-functional inputs (24 V DC) and 4 multi-functional outputs (24 V DC, 0.5 A, 1-wire technique).
  • CANopen responder (slave) interface on a 9-pin D-sub connector; transmission rates 10 to 1000 kbaud.
  • E-bus or K-bus terminals can be attached; the CX7051 automatically recognizes the connected I/O system at start-up.
  • Flash memory: slot for microSD card, 512 MB included; main memory 32 MB SDR (not expandable); NOVRAM 4 kB.
  • Operating system TwinCAT/RTOS; control software TwinCAT 3 runtime (XAR); programming via TwinCAT 3 over Ethernet.
  • Internal capacitor-buffered real-time clock for time and date with storage capacity >21 days.
  • Passive cooling; dimensions 49 mm x 100 mm x 73 mm.
  • Multi-functional I/O includes 2 analog inputs (0…10 V, 12-bit), 1 counter (32-bit), incremental encoder interface, and 2 PWM outputs.
  • Included TwinCAT 3 functions: TC1000 ADS, TC1100 I/O, TC1200 PLC, TF4100 Controller Toolbox, TF4110 Temperature Controller, TF6255 Modbus RTU, TF6340 Serial Communication, TF6701 IoT Communication (MQTT), TF6730 IoT Communicator, TF6760 IoT HTTPS/REST.

Safety

  • Approvals/markings: CE and UL.
  • Protection rating: IP20.
  • Supply voltage: 24 V DC (-15%/+20%).
  • Digital outputs: 24 V DC, 0.5 A per channel, 1-wire technique; short-circuit current typically <2 A and switching-off energy <150 mJ per channel.
  • Operating temperature range: -25…+60°C; storage temperature: -40…+85°C; relative humidity 95% with no condensation.
  • 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.
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