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DevCnc Foam by the devCad Team



 

DevCnc Foam, supported controllers

The list of the actually supported controllers includes:

  • Theremino Master Usb module. You can use this to build your own Usb controller or to create an Usb interface to an existent Parallel Port controller
  • CobraUsb. This is a Ready To Use and Plug&Play controller supplied by IdeeGeniali
  • Arduino Mega2560 + Ramps 1.4. An economical and almost  Plug&Play controller, developed with 3D Printers in mind, transformed by the DevCad Team in a high performance foam cutting controller, rewriting the Arduino Firmare. No hardware modification or rewiring is required!
  • Arduino Mega2560 Naked - Parallel Port Interface. You can use an Arduino Mega 2560 board to connect your preferred stepper drivers, or to create an Usb interface to a legacy parallel port controller. 
  • Arduino Uno + Cnc Shield 3.00. An economical and almost Plug&Play controller, transformed by the DevCad Team in a high performance foam cutting controller, rewriting the Arduino Firmare. No hardware modification or rewiring is required!
  • Arduino Uno Naked - Parallel Port Interface. You can use an Arduino Uno board to connect your preferred stepper drivers, or to create an Usb interface to a legacy parallel port controller. 
  • Arduino Due Naked - Parallel Port Interface. You can use an Arduino Due board to connect your preferred stepper drivers, or to create an Usb interface to a legacy parallel port controller. 

Controllers table:

Theremino CobraUsb Arduino Mega + Ramps 1.4 Arduino Mega2560 Naked Arduino Uno + Cnc Shield 3.00 Arduino Uno Naked Arduino Due Naked
Controller port type Usb Usb Usb Usb Usb Usb Usb
External power required No Yes Yes No Yes No No
5th rotary axis compliant (1) Yes (V4 or more) Yes Yes Yes No No Yes
Num. hard limit pins (2) 1 1 4 4 2 2 4
Hot wire control (3) Pin Signal Rele' 12 v - 11A Pin Signal Pin Signal Pin Signal Pin Signal
Stepper motor enable (4) No No Yes Yes Yes Yes Yes
Steps sequence generation type (5) Follower Follower Deterministic Deterministic Deterministic Deterministic Deterministic
Maximum stepper frequency 64 kHz 64 kHz 25 kHz 25 kHz 25 kHz 25 kHz 150 kHz
Stepper motor continuous current per phase (6) NA 1.6 A 1.0-1.5 A NA 1.0-1.5 A NA NA
Stepper motor Maximum current per phase (6) NA 2.0 A 2.0-2.5 A NA 2.0-2.5 A NA NA
Pin input/output voltage 3.3 v NA 5.0 v 5.0 v 5.0 v 5.0 v 3.3 v
Microprocessor frequency 16 MHz 16 MHz 16 MHz 16 MHz 16 MHz 16 MHz 84 MHz
Microprocessor bits 16 bit 16 bit 8 bit 8 bit 8 bit 8 bit 32 bit

(1) - Indicates if the next version 2 of devCnc Foam can manage the 5th rotary axis using this controller.
(2) - The number of pins used to detect the hard limit alarm. If the number is less than 4 some axes will coupled.
(3) - The type of Hot Wire control supplied by this controller. If the type is Pin Signal you can apply for example a digital rele' or something similar.
(4) - Indicates if the controller can manage the Motor Enable. If not the stepper motord will be always enabled or you can apply your one external switch.
(5) - The type of math algorithm used to generate the step sequence. Follower type can give faster speed/stepper frequency, but performs a poorer path control. Deterministic type needs more processor work, so it gives slower speed/stepper frequency, but the path control is more accurate.
(6) - If the controller is 'Naked' you must use external stepper drivers, so this value in not available. If the controller includes a Cnc shield the value depends non stepper driver type, for example DRV8825 or A4988.
   
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