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M-Bus Protocol Information


What resources are available to get more information on the M-Bus protocol?

Product Line

Andover Continuum, Field Devices, Other, Satchwell MicroNet, Satchwell Sigma, TAC IA Series, TAC INET, TAC Vista




The M-Bus protocol information is available on

Select The M-Bus: A Documentation Rev 4.8


The M-Bus protocol specifications is broken down in multiple chapters.

  1. Basics of Serial Bus System
  2. Overview of the M-Bus
  3. Physical Layer
  4. Data Link Layer

Telegram Format, Meaning of Fields, Communication Process

  1. Application Layer

Structure of fixed and variable data blocks.

  1. Network Layer
  2. Appendix

Table of units, medium, data field codes, VIF extensions.

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