cantcliff Posted April 7, 2015 Report Share Posted April 7, 2015 From the documentation for the IO-AI8 module it states that conversion time at 14bit is 100msec. What precisely does this mean when using multiple analog inputs? For example, if I use 8 inputs, does it take 800msec to convert all of them as a serial operation or does it still take 100msec as a parallel operation? Link to comment Share on other sites More sharing options...
Alexander Posted April 7, 2015 Report Share Posted April 7, 2015 It is 100ms per channel which is cumulative. As you mentioned if utilizing all 8 channels it would take 800ms to convert all of the channels. Link to comment Share on other sites More sharing options...
cantcliff Posted April 7, 2015 Author Report Share Posted April 7, 2015 Ok. From there, then, how does that affect scan time? Or is it just that the variables attached will only update every n scans based on total scan time and how many I'm reading in? Link to comment Share on other sites More sharing options...
Alexander Posted April 7, 2015 Report Share Posted April 7, 2015 The analog input conversion time is independent of scan time.The variables themselves will only be updated every 800ms within the ladder. Link to comment Share on other sites More sharing options...
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