5 How to connect extension units to the
Barionet
If a Barionet100 or Barionet50 has not enough IOs/relays available or the
IOs/relays support not the right voltage, then it is possible to expand the IO
capabilities of the Barionet by using Barionet extension units. Connecting the
extension units is a little bit different on the two Barionet models.
There are three different Barionet extension units available, the IO12, the R6
and the X8. More information to these extension units you can find on
www.barix.com .
Generally the power for the extension unit can be taken from the Barionet
itself, but make sure the power supply of the Barionet can supply enough
power for all connected devices. When the extension unit is too far away
from the Barionet or should run with a different voltage, then it should be
powered separately.
Per RS485 specification the maximum RS485 cable length is 4000 feets or
1200 meters for the complete RS485 bus. Maximum 31 x RS485 slaves and
1 x RS485 master allows the RS485 specification for one serial RS485
network.
That a Barionet can work with connected extension unit s requires an
additional BCL application.
BARIX AG | 17. Oct. 2013 | Barionet Hands-on Training Guide | Page 24/38
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