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Thanks for the hint! I have added a relay and changed output 1 to output 3 as this one is "on/off". Outputs 1 and 2 gave me PWM based on spindle speed so it couldn't activate a relay.

Hello,

Did you solve the issue you have with this VFD?

I bought the same from Vallder but I use a USB Mach3 controller instead of the one you use.
However, I deal with a similar problem. VFD...