M-Bus master are used commercially, for reading of a number of meters, and converting the information to M-Bus for Business Management System reading/monitoring.
ie. 10 meters can be fed into one 10 port Master, as opposed to being converted individually.
M-Bus is the European Standard (protocol) specifically developed for the reading of Heat & Other Utility Meters (ie Electricity – Gas – Heat – Water Meters).
Masters come in 10, 32, 64, 128 and 250 port configurations.
The listed European Standard ISOEN 1434-3.