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???
12/06/04 17:29
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#82631 - I guess, standard practice for interchg
Responding to: ???'s previous message
Use a Dallas one-wire serial memory on another three of pins in your cable from the Rogowski - read the calibration constants from the memory when you boot up.

When I did postal scales, we glued a small serial EEPROM (24Cxx) onto the loadcell. That contained all calibration info and this allowed replacement of the loadcell without turning trimpots or whatever.

Erik



List of 18 messages in thread
TopicAuthorDate
Rogowski Coil Interchangeability.            01/01/70 00:00      
   echo            01/01/70 00:00      
      re: Echo            01/01/70 00:00      
         Still missed it then ?            01/01/70 00:00      
            I guess, standard practice for interchg            01/01/70 00:00      
               Re: seeprom storing caliberation.            01/01/70 00:00      
            But I want something simpler.            01/01/70 00:00      
               stability            01/01/70 00:00      
            1-Wire = 3 Pins?!            01/01/70 00:00      
   Calibration is unavoidable.            01/01/70 00:00      
      Calibetaion through POT.            01/01/70 00:00      
         error budget.            01/01/70 00:00      
            exceeding error budget            01/01/70 00:00      
               OP07 amplifier            01/01/70 00:00      
            Re: Error Budget            01/01/70 00:00      
         CT versus Rogowski coil            01/01/70 00:00      
            Re: CT vs Rogowski Coil            01/01/70 00:00      
               Solving in the frequency domain            01/01/70 00:00      

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