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08/28/01 13:43
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#14550 - RE: optical encoder
Re "faster", for real precision, you need a VERY fast CPLD, a microcontroller will not suffice. Regardless of how slow your axle moves there is the situation where the encoder stops on a border and gear lash causes just enough rattle (seems that 1 millionth of a degree is enough)to make it appear as VERY rapid direction changes.

Have fun,

Erik

List of 16 messages in thread
TopicAuthorDate
optical encoder            01/01/70 00:00      
RE: optical encoder            01/01/70 00:00      
RE: optical encoder            01/01/70 00:00      
RE: optical encoder, Alfredo            01/01/70 00:00      
RE: optical encoder, Alfredo            01/01/70 00:00      
RE: optical encoder            01/01/70 00:00      
RE: optical encoder, Bruce            01/01/70 00:00      
RE: optical encoder problems            01/01/70 00:00      
RE: optical encoder            01/01/70 00:00      
RE: optical encoder            01/01/70 00:00      
RE: optical encoder, Roger            01/01/70 00:00      
RE: optical encoder, Andy            01/01/70 00:00      
RE: optical encoder            01/01/70 00:00      
RE: optical encoder            01/01/70 00:00      
RE: optical encoder, Fran            01/01/70 00:00      
RE: optical encoder            01/01/70 00:00      

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