The M-Bus device 900 is a gateway / converter developed for remote reading of M-Bus meters with a maximum of 4 concurrent clients. It is also a Modbus slave to read values from a PLC or local display.
M-Bus 800 is a series of gateway/converters designed for the remote reading of M-Bus devices using local network or Internet. 810 has frontal connectors both for Ethernet communication and for serial communication.