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  1. 15-04-2018 #9
    Doddy's Avatar
    Lives in Preston, United Kingdom.
    Doddy
    Last Activity: 08-02-2024 Has been a member for 9-10 years. Has a total post count of 1,364. Received thanks 188 times, giving thanks to others 66 times. Referred 1 members to the community.
    Quote Originally Posted by Neale View Post
    A bleed resistor might be useful while you are testing, but once you have a driver or two wired to the power supply, they look like a waste of time. When I checked my machine, the stepper driver power supply was down to a few volts within seconds of cutting power. Any resistor that drains down faster than that is going to need to be a fairly high wattage item, and is going to produce more heat than you probably want in the control box.
    Provided that the drivers are energising the stepper coils, and are connected, and that there are no failures in the system, and that there is no e-stop isolation.

    I'll spend the £1 extra on any >50VDC PSU. Pays your money, takes your choice.
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