In most procurement cycles, CX7291 is considered with Cx7080 Beckhoff, Beckhoff Cx8190 and Beckhoff Cx8090, giving decision-makers confidence that they’ve chosen the most dependable component.
CX7291 - Beckhoff Embedded PCs
CX7291 Beckhoff Embedded PCs Technical Specifications
| Brand | Beckhoff |
| Product Type | Embedded PCs |
| Product | CX7291 |
CX7291 Beckhoff Embedded PCs Technical Specifications
| Specification | Value |
|---|---|
| Processor | Arm ® Cortex ® -A9, 720 MHz |
| Number of cores | 1 |
| Flash memory | slot for microSD card, 512 MB included (optionally expandable) |
| Main memory | 512 MB DDR3 RAM (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) |
| 1-second UPS | integrated (1 MB on microSD card) |
| Interfaces | 1 x RJ45 10/100/1000 Mbit/s, 1 x bus interface |
| Cooling | passive |
| Bus interface | 2 x RJ45 (switched) with BACnet/IP |
| Data transfer rates | 10/100/1000 Mbit/s |
| Diagnostics LED | 1 x TC status, 1 x WD, 1 x error |
| 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) from TwinCAT 3.1 Build 4026 (XAE) |
| I/O connection | E-bus or K-bus, automatic recognition |
| Power supply | 24 V DC (-15%/+20%) |
| Current supply E-bus/K-bus | 2 A |
| Max. power consumption | 4 W |
| Max. power consumption E-bus/K-bus | 10 W (5 V/max. 2Â A) |
| Dimensions (W x H x D) | 71 mm x 100 mm x 73 mm |
| Weight | approx. 220 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 |
| 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 |
