Operating Instructions

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Siemens RXB (KNX) Applications library CLC and RAD description of functions for CC-02 CM110384en_04
Building Technologies Master/slave 21 Sep 2010
9.3 Peripheral functions
The room controllers or room units can be configured as master or slave. A number of
rules must be adhered to in this process.
If more than one room unit is used in a master/slave configuration, only room units may
be used with a button for setpoint shift. In the case of room units with a mechanical
setpoint shift, only one room unit may be connected (combining room units with
mechanical setpoint shift and room units with buttons for setpoint shift is not allowed).
Room unit with button
setpoint shift (several
room units allowed).
RXB... RXB...
10385Z23
QAX34.1
Master
Slave
KNX / EIB
QAX34.1
Room unit with
mechanical setpoint shift
(only one room unit
allowed).
QAX31.1,
QAX33.1
RXB... RXB...
Master Slave
KNX / EIB
10385Z24
-
+
Auto
If the room unit is connected to the building automation and control system via room
controller and is controlled via the bus with
Setpoint shift heating/cooling (page 72), a
room unit with mechanical setpoint shift CANNOT be used.
Use of more than one
room unit with a
mechanical setpoint shift.
RXB... RXB...
-
+
Auto
QAX33.1
Master Slave
KNX / EIB
-
+
Auto
QAX33.1
10385Z25
Combination of room
units with mechanical
setpoint shift and room
units with buttons for
setpoint shift.
RXB... RXB...
-
+
Auto
QAX33.1
Master Slave
KNX / EIB
QAX34.1
10385Z26
Room units in
master/slave
configurations
Permissible combinations
STOP
Caution
Prohibited combinations