Schneider Altivar 320 wiring / setup help needed

[TadasM]

Hi again :)

So finally I got additional information, here is photos showing how spindle is connected:



And here is the video showing the problem:




I have measured voltage between GND and Output 3 - it shows approx +24v when spindle is in "rdy" mode. Once I hit CW rotation in UCCNC voltage drops to 0v and as you can see in the video I receiving message that UC300 have been disconnected.
Should the voltage be 0v at idle and +24v when spindle starts to run ?

Lee, thank you for your advice reg. USB cable. Tried with shorter one - same results. I have added ferrite rings on the both ends of USB cable - no luck either :/

Any thoughts ? :)