Greetings

 

This is probably a question for PCW but others might know or have dome it.

 

I am looking at a small machine design where two axes will be BLDC motors
and one (or perhaps two) brushed DC.

 

The BLDC motors suit a 7i39 very well (interfaced by a 5i20). Are there any
problems in using just two "phases" of another 7i39 to drive the brushed
motor? I presume that one would drive, say A, with the desired level
(positive or negative) holding  inputs B and C at zero - i.e. no bldc
component is needed.

 

The ideal card for the brushed motor would be a 7i40. Would it be
practicable to have Hostmot2 firmware for both 7i39 and 7i40 co-exist in the
5i20? If so does a BIT file exist with this combination.

 

TIA

 

John Prentice

 

 

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