i want to link 28 gas detactors on modbus. how to maintain the communication if any link breaks of detactor fails please advise the config. i am using tsx micro 3721 cpu

thanks

 

You dont specify if RTU or MB+, in anycase you may want to consider something like the Westermo Fibre Modems that allow create a Fibre Ring providing redundancy check out www.westermo.se/handbook4/products/LD-64_LD-64F.htm
Hope this helps.
Manny Romero - Paqworks Industrial Data Comms.