User Manual

Room automation
Desigo RXB
20
CM110664en_07 303 | 353
20.2.2 RXB and the management level
Generic and engineered operation is available at the management level.
See
Desigo CC System Description (A6V10415500)
20.2.3 RXB and the automation level
Desigo RXB is integrated into the automation level with the PX KNX system
controller.
The main tasks of the system controller are:
● Mapping RXB data to BACnet objects
● Implementing higher-level functions (grouping, time schedules, etc.)
On the BACnet side of the PX KNX system controller, the RXB controllers can
be operated and monitored from a client. Data can also be exchanged with the
primary plant.
20.2.4 RXB applications
The existing Desigo RXB applications cannot be modified for a specific project
by the user. These applications are preprogrammed by groups in the controller
and are selected and parameterized using the ETS Professional commissioning
and service tool.
Applications of the same type are grouped into application groups. The
technical manual contains the complete range of RXB applications.
See RXB (KNX) Technical manual (CM110389).
RXB application library
The RXB application library contains application groups, each of which contains
applications of the same type. The RXB application library has a version
number which is defined in the RXB Valid Version Set. This Valid Version Set
also defines the version of each individual RXB application.
Application groups
Similar application types are grouped into application groups. These differ from
each other in terms of how the functions are implemented. Thus chilled ceiling
with radiator (CLC02) and chilled ceiling and electric radiator (CLC03) are two
different applications within the CLC group. The first of these two applications
uses water for heating, while the second uses electrical energy. The difference
between applications in the other groups follows a similar pattern.
The following application groups are available for RXB:
● CLC Chilled ceiling applications (not for Synco)
● FNC Fancoil applications
● VAV Variable air volume applications (not for Synco)
Individual applications
The individual application is designed for typical HVAC systems as commonly
used in practice in individual rooms.
Configuring applications
Each application has a defined number of configuration parameters with which
the application can be programmed for a specific project. These parameters
consist both of general values (e.g., temperature setpoints, etc.) and of specific
values for the application concerned (e.g., changeover configuration, electric
reheater, etc.).