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11-11-2016 #4
That is partially incorrect. The UC300, just like the UC400, only accepts 5V input levels and can only be fed by 5VDC. The UC300 has 12V outputs, as well as 0-10V, but the voltages are generated through a step up circuit. None of the UCxxx motion controllers are a replacement for a BOB, and none of them have optical isolators, so a BOB is necessary. To be able to connect 24V to the inputs you need to connect a BOB which can take 24V, otherwise you'd fry the inputs of the UC300ETH or UC300USB.
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