We are using RS-485 with Modbus protocol.

What solutions are there? Does anyone manufacture some device that would solve the problem?

 

See the Model 8051 at www.sierramonitor.com/comm_bridge

Regards,
Eddie Hague.

 

The Viper product from Specter Instruments will do exactly what you want. Go to the link below to check it out...
http://www.specterinstruments.com/

Regards
Stephen Woram
Industrial Networking Solutions
972-248-7466