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Breakout Boards

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PBX-2 CNC Parallel Port Breakout Board
CNC INTERFACE
Parallel Port Breakout Board Features:
  • DB25 Female
  • Flexible Design
  • Onboard LM-317 Based 1.5 amp Logic Supply Regulator
  • USB Logic Power Supply
  • Optional Pinheader and Screw Clamp Connections
  • Jumper Enabled Limit Switch Pull-up Resistors
  • LED Power Indicator
  • All Pins Brought Out

PBX-RF RF Isolated CNC Breakout Board
Isolated CNC INTERFACE
Parallel Port Breakout Board Features:
  • DB25 Female
  • Flexible Design
  • Dual Onboard LM-317 Based 1.5 amp Logic Supply Regulator
  • USB Logic Power Supply for PC side
  • Optional Pinheader and Screw Clamp Connections
  • Jumper Enabled Limit Switch Pull-up Resistors
  • LED Power Indicator
  • All Pins Brought Out

The PBX-RF is an Isolated Parallel Port Breakout Board designed specifically for Hobby CNC machines. It is compatible with a variety of Parallel Port CNC Control Software. The isolation layer protects the PC from potential damage from spikes or short circuits on the high voltage motor drivers used in CNC.

The RF isolation chips used in the PBX-RF work much like opto-isolators, except that they use radio waves to send signals across the isolation plane rather than light.

The PBX-RF breakout board splits the 17 available signals from the parallel port so that they can be accessed. It is functionally equivalent to the non-isolated version - the PBX-2.


PBX-BB BeagleBone Breakout Board
Breakout Board Features:
  • BeagleBone or BeagleBone Black Compatible
  • Screw Terminals or 5x PBX-Headers
  • RF Isolated Inputs and Outputs
  • 15 Outputs and 5 Inputs
  • Integrated 5V/2A Logic Supply Regulator
  • USB Powered BeagleBone

The PBX-BB is the new CNC breakout board for the BeagleBone. It works perfectly with Charles Steinkuehler's Beaglebone port of LinuxCNC. It features 15 total outputs and 5 inputs, all software mappable to whichever signals you need. The PBX-BB features the same RF isolation circuitry found on the popular PBX-RF, protecting the Beaglebones' sensitive 1.8V and 3.3V circuitry from potentially damaging noise and spikes that can come from high voltage stepper motor drives.

The PBX-BB has 5x PBX-Headers for easy connections to our stepper drivers and relay boards. Additional signals are present on the screw terminals for driving up to 5 motors and 4 relays.

New on the PBX-BB is a 5V/2A switching regulator that accepts voltages up to 76VDC. The efficiency of a switching regulator reduces heat. The 5V rail is bussed out to the PBX-Headers just like our other breakout boards, allowing you to drive the logic supply of the drivers from a single power source.


PBX-USB CNC Controller
Hardware Features:
  • 4 axis USB CNC controller
  • USB (V2.x) from PC/Laptop running Windows XP, Vista or Windows 7 (32 bit or 64 bit)
  • 3 digital outputs (flood, mist, spindle)
  • 25 KHz maximum step frequency
  • 12us minimum pulse width
  • Buffered I/O for maximum performance
  • Two manual jog input keys per axis (8 total)
  • Two limit switches for X,Y, Z (6 total)
  • Jog Pendant Interface
  • Relay Board Interface
  • I2C Interface
  • E-Stop Loop
Software Features:
  • Advanced interpolation algorithms
  • Control external devices with I2C protocol
  • Pause/resume of execution supported
  • Automatic homing procedure
  • Touch Plate Tool Change Procedure
  • Standard RS274/NGC G-code (EMC2 compatible)
  • Toolpath simulation
  • Advanced G-codes - G40, G41, G42 (Cutter Radius Compensation) supported
  • Advanced G-codes - G43, G49 (Tool Length Offsets) supported
  • Advanced G-codes - G54, G59.3 (Coordinate System Origins)

The USB CNC Control Software can be purchased from us by choosing the software option below. Otherwise, you can purchase it directly from www.planet-cnc.com. Software is supported through the Planet-CNC Google Group.

Download CNC USB Controller Software

* Note - the PBX-USB does not work with the Planet CNC SDK

PBX-USB CNC Controller
$109.95




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