Thread: UIM2901-5A Mach 3 BOB wiring
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11-02-2014 #19
Last Activity: 8 Hours Ago
1. You don't need a relay for the enable signal, just take a wire from the bob ENA terminal to each AM882.
2. Yes, when the estop signal is lost the bob will disable the drivers via the ENA signal and charge pump, that's why you don't need the ENABLE relay.
3. The default setting of my AM882's alarm signal was set so that the ALARM relay was 'off' when everything was healthy. If you want to change that you will need to use the ProTuner software and change the polarity (page 27 in my AM882 manual). Also it's not a relay inside the AM882 it's a transistor.
4. Other than you don't need the ENABLE relay the diagram looks okay.Spelling mistakes are not intentional, I only seem to see them some time after I've posted
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