The converter can connect up to 250 M-Bus meters to a RS-485 physical concentrator. Communication still runs on the M-Bus protocol, so it can only be used on devices that enable this combination, such as SmartCom 485. The converter itself does not need to be set. Converter Connection 1, 2 - M-Bus with meters 3, 4, 5 - RS-485 (+, -, GND) 6, 7, 8 - power supply 230V ~ (PE, N, L)