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Standards, directives and
approvals
Environmental compatibility
Dimensions
Color
Weight
Connection
terminals
Terminal layout
Tool socket
Siemens
Building Technologies
Product standard
Electromagnetic compatibility (Applications)
EU conformity (CE)
UL certification (US)
RCM-conformity (EMC)
EAC conformity
Product environmental declaration (contains
data on RoHS compliance, materials compo-
sition, packaging, environmental benefit,
disposal)
See "Dimensions"
Housing front, dial
Housing, base unit, rocker switch
Excluding packaging
*) The documents can be downloaded from http://siemens.com/bt/download.
The tool socket on the room unit provides access to the connected individual room
controller via the commissioning and service tool or the service terminal.
The bus cable (Terminals 3 and 4) is therefore looped to the tool socket (Pins 1 and 2).
The bus cable is not affected by the room unit.
For connection of a service terminal, the PPS2 interface (Terminals 1 and 2) is also
connected to the tool socket.
8
7
6
5
4
3
2
1
Standard type RJ45 tool socket.
1 2 3 4 5 6 7 8
QAX32.1 – Room unit with PPS2 interface
EN 60730-1
Automatic electrical controls for
household and similar use
For use in residential, commerce, light-
industrial and industrial environments
CA2T1741xx *)
UL916,
A5W00005055 *)
Eurasia conformity
A6V10736277_en--_a *)
NCS S 0502-G, ≈ RAL 9003 signal white
RAL 7035 light grey
0.12 kg
80085
PPS2 interface, supply voltage
CP+
1
Device supply, Data PPS2 (pos.)
CP–
2
Device supply, Data PPS2 (neg.)
Bus connection (looped to tool socket)
C+
3
With L
C–
4
With L
5 ... 8
Not used
With L
W
® bus (Desigo RXC): CLA
ON
ORKS
With L
W
® bus (Desigo RXC): CLB
ON
ORKS
Not used
Not used
Not used
Not used
CP+
Data PPS2
CP–
Data PPS2
http://ul.com/database
W
® bus (Desigo RXC): CLA
ON
ORKS
W
® bus (Desigo RXC): CLB
ON
ORKS
CA2N1641en_03
2015-12-23
5/6
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