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IZAR RADIO EXTERN M-Bus
English
The connectors are resistant to ambient humid-
ity but they are not supposed to be immersed in
water.
In this case, a sufficient sealing against humidity has to
be provided. The connectors are included in the scope
of delivery.
7.
External power supply
With connected external power supply, the data in the
radio module are updated every three minutes instead of
one time a day.
The external power supply must have a galvanic
separation from the M-Bus.
Possible power supplies:
AC 5 V - 30 V
I
RMS
= 10 mA
DC 7.5 V - 30 V
I
RMS
= 10 mA
Example of a connection:
+
-
Meter / integrator
radio module
External
power supply
M-Bus
