Description
- Assembled & Tested.
- Heatsink included (will need to be reattached by user).
- 4 Axis Unipolar Chopper control.
- Individual OR simultaneous control of 2/4 Phase Stepper Motors.
- Accepts 5, 6, or 8 wire stepper motors only. 4 wire types are not usable.
- 42VDC maximum input voltage, 12VDC minimum input voltage. 24VDC Minimum Recommended Voltage. Power supplies above 42VDC are not recommended.
- 3.0 Amps Maximum per Phase, 500ma (.5A) minimum. Each axis adjustable throughout this range.
- 1/1, 1/2, 1/4, 1/8, and 1/16 Microstepping.
- Step and Direction Control.
- Idle current reduction (Option) via Pin 1 Enable
- Built In Protection Circuit to help against blown chips on stepper motor short or open connections.
- 3.5″ by 6.875″ double sided with top silkscreen and thru plated holes and lead free solder PCB. (RoHS compliant).
- Power On Reset.
- On board voltage regulation for 5-volt logic with 24VDC cooling fan from motor power supply (fan not included)
- On board connections for home and limit switches with 10K pullup resistor provided to each. No need for a separate “break out” board.
- Works with Step and Direction software such as LinuxCNC, DeskNC, TurboCNC, Mach3, etc.
- RoHS Compliant.
- Compare product features.
- Revision 2 board
HobbyCNC PRO Parallel Port Pinouts
| Pin # | Description | Pin # | Description | |
|---|---|---|---|---|
| 2 | X Direction | 10 | Limit* | |
| 3 | X Step | 11 | A Home* | |
| 4 | Y Direction | 12 | X Home* | |
| 5 | Y Step | 13 | Y Home* | |
| 6 | Z Direction | 15 | Z Home* | |
| 7 | Z Step | 1, 14, 16, 17 | ** | |
| 8 | A Direction | 18-25 | Ground | |
| 9 | A Step | All others | Not Connected | |
| * The actual function of these pins is determined in the CAM software | ||||
| ** Pins 1, 14, 16 & 17 are made available via solder pads. Nothing is done to these lines on the PRO board. Straight from the D connector to the solder pads. | ||||
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