The HD67054M-xxx is a M-Bus Concentrator.
It allow to read data from the M-Bus meters and store the desired values into a CSV file.

This file can be downloaded with a specific free software furnished with the device or with some simple commands via a Point-to-Point connection (RS232, Dialup/GSM/ISDN Modem).

The readings are made automatically from the Concentrator at predetermined times.
At the M-Bus can be connected up to 20, 40, 80, 160, 250 standard M-Bus Slave devices, this number depends on the code of the device

The HD67057-B2-xxx is a M-Bus Concentrator over Ethernet.
It allow to read data from the M-Bus meters and store the desired values into a CSV file.

This file can be downloaded with a specific free software furnished with the device or with some simple commands via a Ethernet connection also via Internet ( WEB ).

The readings are made automatically from the Concentrator at predetermined times.
At the M-Bus can be connected up to 20, 40, 80, 160, 250 standard M-Bus Slave devices this number depends on the code of the device