Modbus RTU RS-485 is a Remote Terminal Unit (RTU ... It depends on the capacity of the communication cable (i.e., 100m with a Cat6), and it can use the existing intranet/internet network.

The MGate MB3170 and MB3270 are 1- and 2-port Modbus gateways that convert between Modbus TCP, ASCII and RTU communication protocols. The gateways provide both serial ...

I have 10 different modbus rtu devices I want to query. Each is 'home run' via conduit to a central location. I have cat 5 going to each device, with a db9 serial coupling on each end.