2 – Control Module Design
Connection for 24V spindle motor
The connection for the 24VDC spindle motor is controlled by an IRF024 N-channel MOSFET with a maximum load of
10A. Since the MOSFET is not cooled, the maximum load capacity should not be used. However, this is still quite
sufficient to operate a 775ER type motor. The speed of the spindle motor is controlled by pulse width modulation
(PWM).
Pin assignment: PCB edge
- +
Connection for 12V PWM laser module
A PWM-controlled laser module can be connected to the red, 3-pin connector. Please note that either the spindle motor
or a laser module is connected to their respective connectors. Simultaneous connection and operation of spindle motor
and laser module is not supported by the control module.
Pin assignment: PCB edge
+12V PWM GND
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