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Etheira Technologies

New 4 Port RS485 Module

The RS485 module is a USB to 4 port module,  which is fully isolated,  each port is independantly isolated and protected with Gas Discharge Surge Protectors and high capacity transient diodes,  each port also incorporates low pass common mode filtering to reduce high frequency transients from nearby industrial equipment.

Designed to survive in the harshest industrial environments.   

Image: 2017-07/1499584890_rs485-filter.png

The board uses the Silicon labs CP2018 4 port serial chip,  and the Mornsun  2500V isolated RS485 module.

https://www.silabs.com/documents/public/data-sheets/cp2108-datasheet.pdf
http://www.mornsun-power.com/uploads/pdf/TDHx01D485H.pdf

The Gas Discharge Tube Surge Protectors are 

http://www.bourns.com/docs/Product-Datasheets/2051.pdf

Enquiries welcome.

Written by Ray on Monday July 10, 2017