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Green rectangular circuit board with USB port and terminal blocks, 80 by 77 mm

DWEII Mach3 USB CNC Motion Controller Board 100kHz 4-Axis

SKU CH-JTNT-EK156

Controls four-axis CNC machines via USB with 100 kHz pulse output, isolated relay drives, limit-switch inputs and 0-10 V spindle speed control

  • USB plug-and-play with no driver install required
  • 100 kHz pulse rate drives servo or stepper motors
  • Four-axis linkage connects up to four drives
  • Four isolated relay outputs control spindle, pump and accessories
  • Compact 80 × 77 mm board fits tight enclosures

USB Mach3 Motion Controller for Notebooks

The DWEII Mach3 board adds a USB motion-control interface to notebooks and tablets that lack a parallel port. It drives four axes of stepper or servo motors through standard drive connectors. Isolated relay outputs handle spindle start, direction and coolant pumps. Four opto-isolated inputs accept limit switches, E-stop, probe and homing signals. The board requires an external 24 V DC supply for isolation and stable operation.

Sustained 100 kHz Pulse Output

Maximum step-pulse frequency is rated at 100 kHz per axis, allowing continuous high-speed motion without the jitter seen on software-only parallel-port solutions. The hardware pulse engine offloads timing from the host PC, so long G-code programs run smoothly even when the computer is busy with other tasks. Isolation on both USB and field sides prevents ground loops that can cause missed steps during extended cuts.

4-Axis Linkage with 0-10 V Spindle Control

The single specification that decides fit is the four-axis linkage capability combined with a 0-10 V analogue output for variable-speed spindle control. If the machine needs five or more coordinated axes, or requires a different spindle interface such as PWM or Modbus, this board will not meet the requirement. For standard three-axis mills or routers adding a rotary axis, the four-channel limit matches the motion plan directly.

Highlights

  • USB plug-and-play with no driver install required
  • 100 kHz pulse rate drives servo or stepper motors
  • Four-axis linkage connects up to four drives
  • Four isolated relay outputs control spindle, pump and accessories
  • Compact 80 × 77 mm board fits tight enclosures

Specifications

BrandDWEII

Questions about this item

How much heat or noise does the 100 kHz motion controller generate when running all day?

The board is passively cooled with no fan, so it runs silently. Power draw is low because it only drives logic-level signals to external motor drives and relays.

What must I already own to make this USB CNC controller work?

You need a PC with a USB port running Mach3 software, four stepper or servo drives, motors, a 24 V DC supply for the board isolation, and any limit, e-stop or probe switches you plan to use.

Will the 0-10 V spindle output on this board control the VFD on my older milling machine?

Yes, the 0-10 V analogue output is designed for spindle speed control via Mach3 and will interface with most VFDs that accept a 0-10 V reference signal.

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