1. #1
    I purchase the UC300ETH-UB1 combo for my home build cnc, to drive 4x4NM stepper motors with
    4x AM882H
    1x72Volts PSU 7Amps
    2x12 volt psu 330watt
    HY VFD with 2.2kw water cooled spindle
    NPN proximity switches.
    The wiring is a headache for me, and this is what I have design until now, can anyone check and tell if I am at the correct path?
    Click image for larger version. 

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  2. You can take a look at my schematic on the pilz s5 thread


    Quote Originally Posted by Nickhofen View Post
    I purchase the UC300ETH-UB1 combo for my home build cnc, to drive 4x4NM stepper motors with
    4x AM882H

    1x72Volts PSU 7Amps
    Not sure 7 amp is enough...

    72v could be a little high 68v could be right to grt margin for back emf

    2x12 volt psu 330watt
    HY VFD with 2.2kw water cooled spindle


    NPN proximity switches.
    .
    Limits or home switch if limits don t connect it on you bob'

    The wiring is a headache for me, and this is what I have design until now, can anyone check and tell if I am at the correct path?
    Click image for larger version. 

Name:	received_264938627458478.jpeg 
Views:	29 
Size:	111.3 KB 
ID:	24714

  3. The Following User Says Thank You to pierantoine For This Useful Post:


  4. #3
    I will check it,thanks for the reply!

  5. 1x72Volts PSU 7Amps
    Not sure 7 amp is enough...

    72v could be a little high 68v could be right to grt margin for back emf
    .
    don't connect limits on you bob but a relay cutting the enable and power of drivers

    Also you should use the am882 alarm.

    For vfd to bob use the rs485...

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