3 Axis
HobbyCNC
®
PRO
Rev2
Chopper Driver Board Kit
Assembly Instructions
CNC for the desktop machinist and hobbyist.
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Thank you for purchasing our 3 axis HobbyCNC PRO kit. The following
information and the step-by-step instructions will assure complete
success and satisfaction. Please read through the following before
beginning any construction to get familiarized with the process.
NOTE
: Machinery driven with this device can and will start without
warning and may cause injury or even death. The builder of this device
assumes sole responsibility for its use!
IF YOU DO NOT AGREE WITH
THIS, RETURN THE KIT FOR FULL REFUND, LESS SHIPPING AND
HANDLING FEE, BEFORE STARTING ASSEMBLY.
Specifications:
•
3 Axis Unipolar Chopper control. Individual OR simultaneous
control of 2/4 Phase Stepper Motors.
•
Accepts 5, 6, or 8 wire stepper motors. 4 wire types are not usable.
•
42 VDC maximum input voltage, 12VDC minimum input voltage.
•
3.0 Amps Maximum per Phase, 500ma (.5A) minimum. Individually
adjustable throughout this range.
•
1/1, 1/2, 1/4, 1/8, and 1/16 Micro stepping.
•
Step and Direction Control.
•
Idle Current Reduction to 50% when Enable signal is low (Pin 1).
•
Built In Protection Circuit to help against blown chips on stepper
motor short or open connections.
•
Power On Reset.
•
On board voltage regulation for 5-volt logic and 24VDC for cooling
fan (not provided) from motor power supply.
•
On board connections for home and limit switches with 10K pullup
resistor provided to each.
•
Minimum of components to make assembly fast and easy.
Tools Required For Assembly:
•
15-25 Watt soldering pencil
•
Side cutters
•
Voltmeter
•
1/32” Rosin core solder
•
Pliers
