In a message dated 04/01/2008, gpayton880@....... writes:

But  rather than have 1 sensor on a single socket it is more sensible to 
have  many sensors on a single socket using a data protocol.  This is how 
I  have designed my system.  It sends out a continuous stream (50 samples  
per second) of "(Lehman reading) (geophone reading) (time stamp)".   My 
graphing program makes a connection to the "data server" and plots the  
values from the 2 sensors as they arrive.  See _http://www.iasmith.com_ 
(http://www.iasmith.com/) .



Hi Ian,
 
    The limitation tends to be the total data  throughput speed reqired. 50 
SPS is quite fast. The ADC sample rate can  also impose limitations. This 
starts to become serious when you have, say  several three off three channel 
sensors on the same ADC.
 
    Regards,
 
    Chris Chapman



   






In a message dated 04/01/2008, gpayton880@....... writes:
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Hi Ian,
 
    The limitation tends to be the total data=20
throughput speed reqired. 50 SPS is quite fast. The ADC sample rate can=
=20
also impose limitations. This starts to become serious when you have, say=20
several three off three channel sensors on the same ADC.
 
    Regards,
 
    Chris Chapman