Before procurement teams confirm CX7031, they typically review Cx7080 Beckhoff, Beckhoff Cx8190 and Beckhoff Cx5120 to double-check performance ratings, stock availability, and supplier credibility carefully.
CX7031 - Beckhoff Embedded PCs
The CX7031 Beckhoff is a high-efficiency Embedded PC engineered for compact automation solutions. Designed for OEMs and industrial engineers, this Embedded PC integrates motion control, I/O connectivity, and fieldbus communication, ideal for decentralized industrial control systems.

| Brand | Beckhoff |
| Product Type | Embedded PCs |
| Product | CX7031 |
CX7031 Beckhoff Embedded PCs Technical Specifications
| Specification | Value |
|---|---|
| Processor | Arm ® Cortex ® -M7, 480 MHz |
| Number of cores | 1 |
| Flash memory | slot for microSD card, 512 MB included (optionally expandable) |
| Main memory | 32 MB SDR (not expandable) |
| Number of inputs | 8 multi-functional inputs (24 V DC) |
| Number of outputs | 4 multi-functional outputs (24 V DC, 0.5 A, 1-wire technique) |
| NOVRAM | 4 kB |
| Interfaces | 1 x RJ45 10/100 Mbit/s, 1 x USB, 1 x bus interface |
| Cooling | passive |
| Bus interface | D-sub socket, 9-pin, 1 x PROFIBUS slave |
| Data transfer rates | 9.6 kbaudâ¦12 Mbaud |
| Diagnostics LED | 1 x TC status, 1 x bus status, 1 x diagnostics |
| Clock | internal, capacitor-buffered real-time clock for time and date (storage capacity > 21 days) |
| Operating system | TwinCAT/RTOS |
| Control software | TwinCAT 3 runtime (XAR) |
| I/O connection | E-bus or K-bus, automatic recognition |
| Power supply | 24 V DC (-15%/+20%) |
| Current supply E-bus/K-bus | 1.5 A |
| Max. power consumption | < 2.0 W |
| Max. power consumption E-bus/K-bus | 7.5 W |
| Dimensions (W x H x D) | 49 mm x 100 mm x 73 mm |
| Weight | 142 g |
| Operating temperature | -25…+60°C |
| Storage temperature | -40…+85°C |
| Relative humidity | 95%, 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 |
| Protection rating | IP20 |
| Included TwinCAT 3 Function | TC1000 TwinCAT 3 ADS, TC1100 TwinCAT 3 I/O, TC1200 TwinCAT 3 PLC, TF4100 TwinCAT 3 Controller Toolbox, TF4110 TwinCAT 3 Temperature Controller, TF6255 TwinCAT 3 Modbus RTU, TF6340 TwinCAT 3 Serial Communication, TF6701 TwinCAT 3 IoT Communication (MQTT), TF6730 TwinCAT 3 IoT Communicator, TF6760 TwinCAT 3 IoT HTTPS/REST |
| Approvals/markings | CE, UL |
| TwinCAT 3 platform level | Basic (10); please see here for an overview of all the TwinCAT 3 platform level |
| Connection technology | 1-wire |
| Nominal voltage | 24 V DC (-15%/+20%) |
| Specification | EN 61131-2, type 3 |
| “0” signal voltage | -3...+5 V |
| “1” signal voltage | 11...30 V |
| Input filter | configurable, default: 3 ms, min.: 10 µs |
| Nominal voltage 2 | 24 V DC (-15%/+20%) |
| Load type | ohmic, inductive, lamp load |
| Switching times | T ON : typ. 20 µs, T OFF : 10 µs |
| Short-circuit current | typ. < 2 A |
| Breaking energy | < 150 mJ/channel |
| Connection technology 1 | 1 x up/down counter, 1 x up or down counter |
| Specification 2 | EN 61131-2, type 3 |
| signal voltage | -3…+5 V |
| signal voltage 1 | 11…30 V |
| Limit frequency | up/down counter: 20 kHz, up counter: 100 kHz |
| Counter depth | 32 bit |
| Max. output current | 24 V/0.5 A (short-circuit proof) |
| Special features | set counter value, switch output, reload value |
| Technology | incremental encoder interface |
| Specification 3 | EN 61131-2, type 3 |
| Encoder connection | 1 x A, B: 24 V single-ended connection |
| Additional inputs | latch input, 24Â VÂ DC |
| Limit frequency 2 | 250,000 increments (with 4-fold evaluation), equivalent 62.5 kHz |
| Quadrature decoder | 4-fold evaluation |
| Max. output current 2 | 24 V/0.5 A (short-circuit proof) |
| Special features 2 | latch function, software gate, set counter value, switch output, reload value |
| Number of inputs 2 | 2 |
| Technology 2 | single-ended |
| Signal voltage 2 | 0…10 V |
| Internal resistance | 500 kΩ |
| Input filter limit frequency | 2 kHz |
| Resolution | 12 bit (16 bit presentation) |
| Measurement error/uncertainty | < ±0.3% (relative to full scale value) |
| Connection technology 2 | PWM output |
| Number of outputs 2 | 2 |
| Load type 2 | ohmic, inductive, lamp load |
| Max. output current 3 | 24 V/0.5 A (short-circuit proof) |
| Frequency | 15 Hzâ¦100 kHz |
| Duty factor | 0â¦100% (T ON > 20 ns, T OFF > 200 ns) |
| Special features 3 | separate frequency can be set for each channel |
CX7031 stands out as a reliable Embedded PC for industrial automation, offering powerful performance in a compact form factor. At its core is a 480 MHz Arm® Cortex®-M7 processor with 32 MB SDRAM and 512 MB microSD storage, optimized for real-time applications using TwinCAT 3 runtime. This model includes 8 digital inputs and 4 outputs (24 V DC, 0.5 A) with 1-wire technology, supporting multi-functional control in PLC and I/O-centric environments.
The integrated PROFIBUS slave interface (via 9-pin D-sub) provides seamless communication with field devices, supporting baud rates from 9.6 kbaud to 12 Mbaud. Engineers can rely on diagnostic LEDs for system status, error detection, and flash access, while the built-in capacitor-buffered real-time clock maintains accurate system timing for over 21 days without external power. The passively cooled system ensures silent, low-maintenance operation in temperatures ranging from -25°C to +60°C.
Designed for durability, the CX7031 is compliant with EN 60068-2-6/27 for vibration and shock resistance and meets EMC standards (EN 61000-6-2/4), making it suitable for harsh industrial conditions. With an IP20-rated housing and 24 V DC power input (±20% tolerance), it guarantees dependable uptime in control panels and machinery enclosures. Its compatibility with E-bus and K-bus enables flexible system expansion, and optional TwinCAT 3 functions like ADS, Modbus RTU, and IoT Communication enhance application scalability. Trusted by OEMs and automation engineers worldwide, the Beckhoff CX7031 Embedded PC is a future-ready controller built for demanding industrial tasks.
Explore full technical details and certifications on the official product page: Beckhoff CX7031 Embedded PCs.







