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  1. 19-11-2013 #1
    EddyCurrent's Avatar
    Lives in West Cumbria, United Kingdom.
    EddyCurrent
    Last Activity: 2 Weeks Ago Forum Superstar, has done so much to help others, they deserve a medal. Has a total post count of 2,203. Received thanks 278 times, giving thanks to others 110 times. Is a beta tester for Machinists Network features.
    The breakout board I'm using is this one SYSTEM1
    I emailed Roy regarding the charge pump relay and he obviously suggested a transistor buffer but more interestingly the board has 'spare' 12v and 5v outputs and his suggestion was to connect a small 5v reed type relay between +5v and ENA. This has the advantage that when Mach3 is healthy ENA is at 0v therefore a potential of 5v exists between +5v and ENA making it fail safe plus it would share the load better with the 4 connected AM882's. This might be the way to go other than the reed relay does not sound too appealing although in practice one of those encapsulated type that look like a chip with about 8 legs have proved to be reliable in industrial situations.
    Last edited by EddyCurrent; 19-11-2013 at 10:12 PM.
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