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Flexihal

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The key features of the Flexi-HAL:

  1. 5 Axis of isolated step/direction motor control featuring high-speed digital isolators and differential signal drivers for maximum signal integrity and step rates.
  2. Integrated support for 3 wire inductive type powered switches.
  3. Onboard 5V power regulator.
  4. Integrated RS485 with automatic direction control.
  5. Support for closed loop stepper motors and servos with alarm feedback.
  6. Differential interface for a spindle encoder input that can be utilized by GRBLHAL and LinuxCNC.
  7. Real-time control port for remote handwheels and pendants.
  8. Raspberry Pi GPIO connector allows integration of sender software and allows the board to host a full LinuxCNC installation.
  9. 10V or 5V spindle control including PWM output via selectable jumpers.
  10. 3 wire (powered) connections for standard CNC buttons on a breakout RJ45 connector that utilizes components compatible with the PrintNC EST project.
  11. XYZA limit switches and probe/toolsetter on breakout RJ45 connector.
  12. Flood/Mist/Spindle relay drivers.
  13. Additional auxiliary inputs and relay driver outputs.

For complete documentation on this OSHW design, see this Github repository:

https://github.com/Expatria-Technologies/Flexi-HAL

£ 99.99 £ 99.99

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Please note that your board will be shipped with a GRBLHAL 3 axis XYYZ configuration as this is the most common configuration.  You can change the axis configuration at any time without restriction by flashing a new firmware image.


Your board will come with plug terminals for all of the green terminal blocks as well as 2.54mm IDC receptacles that can be applied to 8 conductor ribbon cable.


Optional breakout PCBAs for the RJ45 connectors are available separately.  The breakouts were developed with community feedback as part of the PrintNC Electronics Standardization Team project.  These are not required to use any feature of the Flexi-HAL but can make wiring the machine easier.


NOTE: The FlexiHAL Rev A7 is NOT compatible with the Flexi Encoder BOB PCB Revision A1. If you are using an Encoder Breakout Board, you MUST use Revision B1 or newer.