ABB RCNA-01, User Manual

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Electrical installation
22
Figure 2. Node address selection
RCNA-01 connections
ControlNet connection
The bus cable is connected to the BNC connectors A and/or B on
the RCNA-01. If redundant operation is desired, both connectors
are used, otherwise connector A or B is used.
ControlNet bus termination
The ControlNet bus line must be terminated with 75 ohm resistor.
See fieldbus details in chapter
Technical data .
Network access port connection
The module is also equipped with a NAP (Network access port) for
temporary connection of configuration tools, e.g. a PC card. The
minimum Network update time (NUT) of the module is 5 ms.
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