Originally Posted by
mike_Kilroy
"MAYBE WRONG" need to change that to "is wrong." No, your motor resolver should be fine for taping/indexing - folks have been doing that for 30 years with em. Would linear scale with .1um resolution be better? maybe, depends on lots of stuff. if you have any backlash between this new encoder and the motor you may be in for more problems that it is worth since you would not be using it for just position control.... I think it is a no brainer to use the resolver you have and get the system running; if you then feel it is not good enough for some reason then consider changing it out.