PORTS Forum

Ports and Interfaces => Serial Ports => Topic started by: Milazzo on February 19, 2018, 01:29:49 pm

Title: Noise RS485
Post by: Milazzo on February 19, 2018, 01:29:49 pm

Hi everyone
I have a problem!
In one bus RS485 using Driver MAX485 and USB to RS485 in the topology for comunications PC-------Microcontroller,
but...
in this bus the problem is noise.
do you help me please?
one track our your tips please
How to reduce noise?
as a programmer?
as electronic?

thx for you time

Title: Re: Noise RS485
Post by: Jan Axelson on February 19, 2018, 02:21:43 pm

Providers of RS-485 interface chips have many application notes dealing with circuit design and noise. Try Maxim and TI. Also see:

http://janaxelson.com/serport.htm#articles