ADFweb HD67056-B2-40 Bộ chuyển đổi tín hiệu ADFweb Việt Nam 

They allow to monitor some M-Bus meters (like Engelmann, Amber-Wireless, Maddalena, Siemens, exc. meters) with a BACnet net (like a Supervisory System exc).

On M-Bus side, the HD67056-B2 can manage up to 250 meters.

HD67056-B2 supports both BACnet/IP and BACnet/Ethernet.
The connection to BACnet is done over Ethernet.

HD67056-MSTP supports BACnet MSTP.
The connection to BACnet is done over RS485.

The HD67694-IP-B2-xxx are M-Bus / BACnet converters.

These devices are specifically built for communicate with M-Bus heating controllers like Siemens RVD series, AMARC AVD500 and many others.