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7.
Expansion modules
The energy meter has two slots for expansion modules.
They can be mixed, but two pulse modules of the same kind must not be
installed.
The analogue module occupies both positions.
These modules have no effect on consumption recording and can be fitted
retrospectively without damaging the verification mark.
The relevant ESD regulations (electrostatic discharge) must be
observed.
No responsibility is accepted for damage (especially to the elect-
ronics), resulting from non-observation of the rules.
7.1 Module installation (fig. III)
1. Open the calculator by folding down the side catches.
2. Lock the module into the appropriate slot and carefully connect the
pre-formed ribbon cable at both ends.
3. Close the lid and check the meter for correct operation by pressing the
push button. Apply the tamper-evident seal of the housing lid if the
meter functions correctly.
7.2 Communication
Communication modules must be secured so that opening of
meters is only possible by destroying the securing points.
The calculator supports three communications channels.
Two additional communication modules can be used in wireless operation.
Both communication modules have their own primary address. Both ports have
a common secondary address, which is set to the serial number ex works.
The protocols may be different for all three communication channels and
are pre-set ex works. The telegrams can be defined for each customer
using the IZAR@MOBILE 2 software.
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