Hi I have project in which I wish to measure voltage using PT, Could you guide me how to interface PT. I have 110V to 6 Volt PT.
You will need to take that PT output of 6V and divide it down with a voltage divider of about 35 to 1 in order to bring it down to acceptable levels for the voltage channel inputs (full scale of +/-500mV peak). Use a large enough voltage divider value that the current draw is not too large from the PT, maybe 35kOhm and 1kOhm.
Make sure to keep an anti-aliasing filter at the input like shown in the Test Circuit in the data sheet.
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