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16-09-2021 #7
Last Activity: 11-02-2024
Be interested to hear what the replacement does !
AFAIK no signal is needed from Mach3 to cause the PSU to work . It should be on from switch-on.
but without the supply to the board, the spindle relay will not cause the spindle to operate. Modern boards are happy with 12v but your old soldier BoB may need 24v.
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