There are two Spindle control outputs
Spin – an ON/OFF signal(3V logic) suitable for driving an SSR or similar to control a single speed spindle
SpinPWM – a PWM output (3V logic) suitable for interfacing a PWM controller
Both pins have on-board LEDs from output to ground, so if the LED is illuminated, there is voltage on the pin.
SpinPWM is just pulses – you can’t really measure with a VOM (multimeter).
Read over this item
When you come back, describe what sort of controller you have – PWM or ON/OFF.
Research a bit the interface requirements of the controller you have – does it require 5v logic? If so, so will have to level shift the PWM signal or the Spin on/off signal.
And provide a dump of your PWM parameters, by entering a $p1 command
None of this directly addresses your ‘spark’ directly, which usually means something fried.
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This reply was modified 7 years, 9 months ago by cmcgrath5035.