User Manual

Room automation
Desigo RXB
20
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Various sources are available for forming these central superposed functions:
● External system or third-party device
● System user via BACnet client
● Building user via BACnet client or local operator unit
● Scheduler or reaction program
● Superposed office based on grouping function
They are distributing after evaluating signals and commands via a Grouping function.
One group master exists for each of the various categories which then forwards the resulting information to
all assigned group member (rooms). A group master can for its part be a group member of a superposed
group master.
20.1.5 Desigo room automation and the management level
See chapter
Desigo room automation integration .
20.1.6 Desigo room automation and the automation level
Alarming is triggered directly on the PXC3.E.. and DXR2.. room automation stations. A primary automation
station (typically PXC00.E-D) is only used for calendars, schedulers and time setting. This simplifies
engineering and reduces the number of required system components.
20.2 Desigo RXB
The Desigo RXB room automation system controls and monitors comfort conditions in individual rooms. It
supplies predefined solutions for HVAC.
See
RXB Room automation system - system overview (CM110380).
The range consists of controllers, operator units and predefined applications. The applications are
configured and downloaded with the ETS Professional commissioning and service tool.
See
Working with ETS (CM1Y9779).
RXB topology
The Desigo RXB room automation system is based on KNX/EIB technology. To integrate Desigo RXB into
the automation level, the RXB data is mapped to BACnet.