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  1. 25-06-2022 #1
    JohnT's Avatar
    Lives in Cork, Ireland.
    JohnT
    Last Activity: 03-02-2025 Has been a member for 4-5 years. Has a total post count of 22.
    Waiting on some parts to come to tackle the homing sensors.
    I need a bit of help with the Spindle. I have the spindle working by grounding the SGR relay and hooking up a 9v battery (it's at about 4v) and it's spinning fine. My issue the spindle control board is not isolated.

    I have the BOB feed with the machine cabinets 24v power. On the Bob it has a 0-10v opto isolated output for spindles. I'm afraid to connect this incase I blow something. Would changing the power feed to the Bob from separate transformer power supply isolate it ? The BOB I have is the same as below.

    MACH3V2.1
    https://a.aliexpress.com/_uzGXvi
    Last edited by JohnT; 25-06-2022 at 05:15 PM.
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