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Beckhoff CX7031

The Beckhoff CX7031 is an embedded PC in the CX7000 series with an Arm Cortex-M7 single-core processor at 480 MHz. It provides eight multi-functional digital inputs, four multi-functional digital outputs, a microSD slot, an Ethernet interface, and a PROFIBUS slave interface. It runs TwinCAT/RTOS and is programmed with TwinCAT 3 over Ethernet.

Source checked9/9 values · 2026-10-25Beckhoff AutomationEmbedded PC
CX7031X11 × ETHERNETArm® Cortex®-M7, 480 MHz24 V DC (-15%/+20%)IP20CX7031 · 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 CX7031 weigh?
0.142 kg, per Embedded PC with Arm® Cortex®-M7, PROFIBUS slave and integrated I/Os (beckhoff.com).
What is the IP rating of the Beckhoff CX7031?
IP20, per Embedded PC with Arm® Cortex®-M7, PROFIBUS slave and integrated I/Os (beckhoff.com).

Study notes

  • The CX7000 series has eight integrated multi-functional inputs and four integrated multi-functional outputs.
  • The CX7031 has a 9-pin D-sub socket for PROFIBUS slave operation, with transmission rates from 9.6 kbaud to 12 Mbaud.
  • Flash memory is a microSD card slot with a 512 MB card included; main memory is 32 MB SDR and is not expandable.
  • E-bus or K-bus terminals can be attached and are recognized automatically during start-up.
  • The operating system is TwinCAT/RTOS; control software is TwinCAT 3 runtime (XAR).
  • Included TwinCAT 3 functions are 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 and TF6760 IoT HTTPS/REST.
  • Dimensions are 49 mm x 100 mm x 73 mm and weight is 142 g.
  • Cooling is passive; the internal real-time clock is capacitor-buffered with storage capacity >21 days.
  • The CX7031 has 4 kB NOVRAM.
  • Multi-functional I/O includes digital input, digital output, counter, encoder, analog input and PWM functions.

Safety

  • Protection rating is IP20.
  • Operating temperature range is -25 to +60 °C.
  • Relative humidity is 95%, no condensation.
  • 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.
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