4 / 14
Siemens
RXC39.5 – Room controller
CM2N3856en_06
Building Technologies
2013-12-14
All connection terminals are detachable plug-in terminals. They are arranged so
that, under normal circumstances, all incoming and outgoing cables can be
connected without crossing.
Cable strain relief
The conductors to the connection terminals can be
secured with cable ties to the housing base.
3
8
7
3
J
04
The RXC39.5 controller communicates with other devices via the following interfaces:
·
L
ON
W
ORKS
bus (terminals CLA and CLB) for communication with:
-
the PXR system controller or the NIDES.RX interface (to Desigo)
-
other Desigo RXC devices
-
L
ON
M
ARK
-compatible third party devices (e.g. presence detector)
·
PPS2 (terminals CP– and CP+):
-
Interface to the QAX… room units. (In addition to PPS2, the L
ON
W
ORKS
® bus
is also looped to the tool socket on the room unit.)
·
Tool socket (RJ45) on the controller or room unit, for:
-
RXT10 commissioning and service tool (L
ON
W
ORKS
® bus)
-
RXT20.1 service terminal (PPS2)
The diagram below shows the wiring of the L
ON
W
ORKS
® bus and PPS2 interface when
a QAX… room unit is connected. It also shows the options for connecting the RXT10
commissioning and service tool and the RXT20.1 service terminal.
Connection terminals
Communication
L
ON
W
ORKS
® bus
