4 to 20 ma input how to turn 485 output, for a great god told

CodePudding user response:

First, modulus conversion, then converted to serial data

CodePudding user response:

Modulus of

CodePudding user response:

How convert

CodePudding user response:

IVC (current voltage conversion) - & gt; Keep sampling - & gt; ADC (analog voltage is converted to, or use special chip with ADC CPU) - & gt; Conversion results to the serial port to send

CodePudding user response:

Thank you for the great spirit guide

CodePudding user response:

If not, don't do it himself, have a ready-made online module!
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