Connecting to M-Bus

Note

All connected M-Bus slave devices must have unique primary or secondary M-Bus addresses depending on addressing mode used.

Note

Measure voltage over M-Bus slave connection to verify M-Bus master connection. Voltage should be between 21-42 VDC.

M-Bus is a multi-drop 2-wire bus, with no polarity.

Use a cable of area 0.25-1.5 mm², e.g. a standard telephone cable (EKKX 2x2x0.5).
Connect the wiring to the connector.

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