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CN0325 :PLC/DCS Universal Analog Input using 4pin or 6pin terminal

Question asked by PrateekJain-28889 on Nov 2, 2015
Latest reply on Nov 3, 2015 by Brandon

Hi,

I have tried understanding the entire circuit of CN0325. Kindly clarify my following doubts:

1) What is the purpose of R99 and R109 (10MegaOhms) resistors across input terminals?

2) What is the purpose of C80,C83 and C183 (4.7nF) capacitors at input terminals?

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