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Author Topic: TROUBLE WITH PWM MODE  (Read 3056 times)

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TROUBLE WITH PWM MODE
« on: April 17, 2010, 06:54:52 AM »
Hi,
    We are CNC manufacturers in India. We imported "KX-3" model millling machine from "SUMORE". Its MACH-3 controlled. Machine spindle motor can just be made ON & OFF using MACH-3. Pulse width modulation mode is not functioning. When in PWM mode, the spindle is not at all running. The drive "MBLC-1100-300H" made by "HONCAR" drives the spindle motor (Brushless DC motor). Give me suggestions regarding this issue. I need to check the drive externally without MACH-3 controller to drive the motor. Can i do this with a potentiometer connected to a IC555 timer, through which PWM mode can be achieved in the drive?? Also give me the parameters settings configuration for PWM mode usage in MACH-3.

Regards,
Guru Krupa Electronik services,
Chennai,
India.