5
IRRITROL Decoder Systems
The 2 -wire cable
In a 2-wire decoder system the 2-wire cable
serves both as power source and communication
path for the field decoders.
The 2-wire cable installation makes the entire
system installation much easier and neater. Just
pull a 2-wire cable from the interface and install
decoders along the wire where needed.
The decoder
The decoder is the device which drives the
solenoid. Please see the data sheets for the
various decoders. The decoder has an address
which is used by the interface to communicate
with the decoder.
The address must be known by the controller.
Note: There is no required polarization of the conductors in the
2-wire.
Observing the polarity is only required when using the loop
configuration.
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