Centroid CNC DIY Control Boards, great alternative to mach3, wincnc, motion control software

CNC Controllers

Acorn CNC Controller
- Up to 4 axis Step and Direction, Open Loop
- 8 inputs and 8 Outputs, Add on i/o up to 56 in/out
- One Encoder input
- 1 analog output (0-10/0-5 vdc for VFD control)
- PWM output (Laser and/or Spindle)
- On board Motion Control CPU
- Ethernet communication to CNCPC

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Acorn Plasma THC Controller
- Real Time closed loop Torch height controller
- Restart Mode, backup along part contour and start anywhere
- Torch Check and Dry Run
- Comprehensive Material Profile Manager
- Smart Sense
- THC Anti Dive controls
- Plasma Smoothing
- Floating Torch Head support
- Breakaway Torch support
- Ohmic sensor support
- Conductive Torch Tip support
- Laser XY zero set
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AcornSix CNC Controller
- Up to 6 axis Step and Direction, Open Loop
- 16 inputs and 16 Outputs (Add up to 64 in/64 out)
- Three Encoder inputs
- 2 analog output (0-10/0-5 vdc for VFD control)
- 2 PWM output (Laser and/or Spindle)
- On board Motion Control CPU
- Ethernet communication to CNCPC
- DIY Self Service Tech Support

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Allin1DC CNC Controller
- Up to six Axis DC servo only, Closed loop
- Onboard 16 inputs, 9 relay outputs (Add up to 272 in/272 out)
- 6 Encoder inputs
- Built-in 3 axis 15 amp per axis DC servo drive
- 1 analog out, 1 analog in, expandable to 16 In/16 Out
- On board Motion Control CPU
- Ethernet communication to CNCPC

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Oak CNC Controller
- Up to 8 axis, AC servo or DC servo, Closed Loop
- Onboard 16 in/9 Out (Add up to 272 in/272 out)
- 6 encoder inputs expanable to 28
- 1 analog out, 1 analog in, expandable to 16 In/16 Out
- On board Motion Control CPU
- Ethernet communication to CNCPC

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Hickory CNC Controller
- Closed Loop CNC Controller
- eCat Servo Drive Comm. Protocol
- Up to 8 Axis
- Onboard 32 in, 32 out. (Add up to 80 in/80 out)
- On board Motion Control CPU
- Ethernet communication to CNCPC
- Two Analog Outputs
- Two PWM Outputs
- One Analog Input
- Expandable, add additional i/o, encoder ports, analog in/out

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CNC Control Board Comparison

Acorn AcornSix Allin1DC Oak Hickory
Servo Motor types Steppers or AC, Open or Hybrid Closed loop. Steppers or AC, Open or Hybrid Closed loop. DC Closed Loop w/built-in drives AC Closed Loop EtherCat Closed Loop w/ Centroid Curated Drives
Maximum number of Axes 4 6 6 8 8
Compatible with Mills, Lathes, Routers, and other specialty machines Yes Yes Yes Yes Yes
AC Servo Motor/Drive compatible Yes, (Step and Direction) Yes, (Step and Direction) No Yes, Position/Precision & Velocity modes Yaskawa Sigma 7, Glentek Gamma series, Estun Summa, Leadshine EL7 and EL8, Inovance SV660N
DC Servo Motor/Drive compatible Yes, (Step and Direction) Yes, (Step and Direction) Yes, up to 15 amps (continuous) per axis Yes, using the Centroid AC/DC drive up to 60 amps per axis. No
Stepper Motor/Drive compatible Yes Yes No No No
True Closed Loop Operation No Scales for Position correction Yes Yes Yes
Built in Motion Control CPU Yes Yes Yes Yes Yes
Built in DC servo motor amplifier No No Yes No No
Built in PLC Yes 8 In, 8 Out Yes 16 In, 16 Out Yes, 16 In, 9 relay out Yes, 16 In, 9 relay out Yes 32 In, 32 Out
Maximum Inputs and Outputs 56 in/ 56 out 96 in / 96 out 272 In / 272 Out 272 In / 272 Out 110 in/ 110 out
Optional input output expansion board Yes Yes Yes Yes Yes
Optically Isolated Inputs Yes Yes Yes Yes Yes
Fused Relay Outputs No, installer adds fuse No, installer adds fuse Yes Yes No, installer adds fuse
On board relay output types Ribbon cable to Relay 8 board (8 relay outputs) 2x Ribbon cable to Relay 8 board (16 relay outputs) 7 SPST and 2 SPDT 7 SPST and 2 SPDT 4x Ribbon cable to Relay 8 board (32 relay outputs)
Built-in Analog spindle control output Yes 0-10 vdc or 0-5 vdc Yes, 0-10, +-10, 0-5, +-5 12 bit Yes, 0-10, +-10, 0-5, +-5 12 bit Yes, 0-10, +-10, 0-5, +-5 16 bit Yes, 0-10 15 bit, +-10 16 bit, 0-5 14 bit, +-5 15 bit
PWM output for Laser and/or Spindle Yes, 1 PWM output Yes, 2 PWM output No No Yes, 2 PWM output
Runs on Centroid Mill or Lathe or Router CNC software Yes Yes Yes Yes Yes
Base Centroid CNC software included with CNC control board price Centroid CNC12 "Free" CNC software Mill and Lathe, Router, Plasma Centroid CNC12 "Free" CNC software Mill and Lathe, Router Centroid CNC12 "Free" CNC software Mill and Lathe Centroid CNC12 "Free" CNC software Mill and Lathe Centroid CNC12 "Free" CNC software Mill and Lathe
Centroid CNC Software Licenses Centroid Mill, Lathe, Router Plasma "Pro" CNC software
Centroid Mill, Lathe, Router, Plasma "Ultimate" CNC software
Centroid Mill, Lathe, Router, "Pro" CNC software
Centroid Mill, Lathe, Router, "Ultimate" CNC software
Centroid Mill, Lathe, Router, "Pro" CNC software
Centroid Mill, Lathe, Router, "Ultimate" CNC software
Centroid Mill, Lathe, Router, "Pro" CNC software
Centroid Mill, Lathe, Router, "Ultimate CNC software"
Centroid Mill, Lathe, Router, "Pro" CNC software
Centroid Mill, Lathe, Router, "Ultimate CNC software"
Plasma THC Compatible Yes TBA No No TBA
Uses Standard G and M codes Yes Yes Yes Yes Yes
Probing and Digitizing compatible Yes Yes Yes Yes Yes
Compression and Rigid Tapping Compatible Yes Yes Yes Yes Yes
Automatic Tool Measurement Compatible Yes Yes Yes Yes Yes
Spindle Encoder feedback,w/ RPM display Yes Yes Yes Yes Yes
Lathe Constant Surface Speed Yes Yes Yes Yes Yes
Lathe Threading Yes Yes Yes Yes Yes
Compatible with Windows 10/11 Yes Yes Yes Yes Yes
Centroid Touch Screen Operator Control Panel Compatible Yes Yes Yes Yes Yes
Centroid Operator Control Panel Hardware Compatible No Yes Yes Yes Yes
Xkeys & Xbox Controller/Panel Compatible Yes Yes Yes Yes Yes
Centroid CNC Console Compatible No Yes Yes Yes Yes
Keyboard Jogging and controls compatible Yes Yes Yes Yes Yes
Encoder Expansion Board Compatible No Yes Yes Yes TBA
PLC Expansion Board Compatible Yes Yes Yes Yes Yes
Analog IN/OUT Expansion Board Compatible No Yes Yes Yes Yes
Wireless USB MPG Compatible Yes Yes Yes Yes Yes
CNC Configuration Wizard Yes Yes TBA TBA TBA
Built in Encoder ports 1 3 6 6 3
Maximum # of Encoder connections 1 9 12 12 3, future encoder exp. planned
Maximum # of Analog outputs 1 6 17 17 2, future analog exp. planned
Velocity Mode No, (Step and Direction only) No, (Step and Direction only) No, (Closed Loop Torque Mode) Yes No
Position Mode No, (Step and Direction only) No, (Step and Direction only) No, (Closed Loop Torque Mode) Yes Yes, via EtherCAT
Real Time Hardware Based Step and Direction Output Yes Yes No No No
Axis Motor Tuning Yes, Accell/Decell Yes, Accell/Decell Yes, Built in Tuning Scope for PID Tuning Yes, Built in Tuning Scope for PID Tuning Yes, Built in Tuning Scope for PID Tuning
Motion control off-loaded from CNC PC CPU Yes Yes Yes Yes Yes
G code Smoothing Yes Yes Yes Yes Yes
Paired Axis capability Yes, hardware and software techniques Yes, hardware and software techniques Yes, Software Pairing Yes, hardware and software techniques Yes, hardware and software techniques
DIY Kits available Yes Yes Yes Yes Yes
Any axis can be Linear or Rotary Axis Yes Yes Yes Yes Yes
Rotary Table Compatible Yes Yes Yes Yes Yes
Build your own compatible CNC PC Yes Yes Yes Yes Yes
Factory CNCPC with preloaded CNC software available for purchase Yes Yes Yes Yes Yes
Runs on regular 110 VAC power (USA market 110 VAC, World 220-240 VAC) Yes Yes Yes Yes Yes
Spindle Motor can run on single phase 220-240 VAC Yes Yes Yes Yes Yes
Designed and Made in USA Yes Yes Yes Yes Yes
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