What is m-Bus?

Further information

n/a

Area of application

n/a

Medium

Wired & Wireless

Netzwerk Topologie

Bus

Supported transmission media

Twisted pair, Radio frequency

Related standards (specific standards to which each protocol can be assigned.)

EN 13757-2,EN 13757-3,EN 13757-4

Implemented security mechanisms

Wireless M-Bus (wM-Bus) includes options for encryption and authentication, typically using AES-128 encryption

Bandwidth

0.3 - 100 Kbps

Frequency

915MHz, 868MHz, 433MHz, 315 MHz or 169MHz

Range

wMbus: 30-150m in buildings

Devices (maximum number of devices that can be networked)

n/a

Data model architecture (data model in which the information/attributes are added to an object)

Data records

Discovery (Function to automatically identify devices on the network)

No

Multi Master (Can several master devices act at the same time?)

No

Packet size (data packet size that can be transmitted according to Maximum Transmission Unit)

n/a

Priority (how the changes/updates are made)

n/a

Cost to enable hardware support for additional protocols (Low, Average, High)

n/a

Implemented OSI layers (Application, Presentation, Session, Transport, Network/Packet, Data Link, Physical)

Physical layer, Data link layer, Network layer, Application layer

Levels of building automation (field level, automation level, management level)

Field level

Link

https://m-bus.com/