Email: Password: Remember Me | Create Account (Free)

Back to Subject List

Thread Closed: Issue successfully resolved

???
12/10/04 14:00
Read: times


 
#82887 - 440v ac routing problem
in my project 12v relay is used to switch 440v ac contactor and another no/nc switch in series with contactor,when no/nc swtiched rapidly to on off contactor,controller detect false inputs(sensor) used for sensing rpm and some other i/o operation
where is the problem,if somebody suggest isolaton,ferite beads,ground planes,optocoupler please fogive every thing already done

List of 23 messages in thread
TopicAuthorDate
440v ac routing problem            01/01/70 00:00      
   OK            01/01/70 00:00      
      Every thing already done...            01/01/70 00:00      
         language, guessing            01/01/70 00:00      
            language, guessing            01/01/70 00:00      
               Trapped ?            01/01/70 00:00      
               first project            01/01/70 00:00      
   debounce or noise            01/01/70 00:00      
      contactor wiring            01/01/70 00:00      
         guesses            01/01/70 00:00      
      debounce or noise            01/01/70 00:00      
         Does it mean?            01/01/70 00:00      
         all done            01/01/70 00:00      
   all done?            01/01/70 00:00      
   440v ac routing problem            01/01/70 00:00      
      Snubbers?            01/01/70 00:00      
   hi all i find the cause of problem            01/01/70 00:00      
      enclosure ?            01/01/70 00:00      
         enclosure ?            01/01/70 00:00      
            Search, Search Search more and more.....            01/01/70 00:00      
            box            01/01/70 00:00      
               hiding info            01/01/70 00:00      
                  hiding info            01/01/70 00:00      

Back to Subject List