Reference Name
INF1021 Converter USB => 485
Devices can be chained considering the order of cables (Parallel
wiring).
4.11.2 Polarization and termination of the RS485 bus
The bus can be polarized from your device if necessary. To do this
you must switch the two micro-switches (Pol. RS+ (A) and Pol. RS-
(B)) of the electronic card in ON position.
If your device is the last on the line on the RS485 bus you can
switch the Term. RS switch on ON to activate line termination.
WARNING!
For security reasons, it’s imperative to turn OFF
the power of your device before opening the case
to switch the micro-switches.
Assembly and Installation
27
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