Basic Documentation

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Siemens M-bus level converter and M-bus web server A6V11157985_en--_f
Smart Infrastructure 2021-06-21
1.2 M-bus properties
1.2.1 Wired M-bus
The M-bus system (Meter Bus) is a communications protocol per EN13757-2.
It has the following benefits:
 Highly secure data transmission
 Low wiring costs
 Can be greatly expanded without additional amplifiers
 High number of connectable devices
 Recognizes both battery-powered as well as mains powered devices
 Automated device recognition
 A very large number of systems and devices available
 Various bus topologies can be used (line, bus, star, or tree topology)
1.2.2 Wireless M-bus
The wireless M-bus system communicates using the communications protocol per
EN13757-4.
The system also has the following benefits:
 Various network topologies available for radio read out
 The system can be extended over a large area using additional RF converters
 Optimum connection by the RF converter to the web server (mesh network)