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???
07/11/04 22:37
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#74001 - RE: direction sensing for AC supply & motors
Responding to: ???'s previous message
May be a three phase system?

a)Use an encoder
b)Use three optocouplers and check the zero-cross of all of them.


List of 11 messages in thread
TopicAuthorDate
direction sensing for AC supply & motors            01/01/70 00:00      
   RE: direction sensing for AC supply & motors            01/01/70 00:00      
   RE: direction sensing for AC supply & motors            01/01/70 00:00      
   RE: direction sensing for AC supply & mo            01/01/70 00:00      
   RE: direction sensing for AC supply & motors            01/01/70 00:00      
      RE: *Alternating* current!            01/01/70 00:00      
         RE: *Alternating* current!            01/01/70 00:00      
            RE: Power            01/01/70 00:00      
   RE: direction sensing for AC supply & mo            01/01/70 00:00      
      RE: direction sensing for AC supply & mo            01/01/70 00:00      
         RE: direction sensing for AC supply & mo            01/01/70 00:00      

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