DOCA0005EN-14

M-Bus communications overview

Communications via M-Bus protocol is available on iEM3135 / iEM3235 / iEM3335 meter models.

M-Bus is a master / slave communications protocol where the master initiates transactions and the slave(s) respond with the requested information or action. Data is transferred using hexadecimal telegrams.

The information in this section is intended for users with an advanced understanding of M-Bus protocol, their communications network and their power system.

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