Installation Instructions

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Siemens Desigo Room automation - Engineering, mounting and installation CM111043en_14
Smart Infrastructure Introduction 2020-10-30
2.2 What does this document describe?
The document describes proper engineering, mounting and wiring for
– the room automation stations.
– the TX-I/O modules.
– for peripheral devices connected to the TX-I/O modules or DXR2 room
automation stations.
– for peripheral devices connected via KNX PL-Link, DALI and EnOcean.
The areas indicated above can be briefly described as follows:
Range
Brief description
Installation box or
panel
The following devices are installed in the installation box /
in the panel:
– PXC3... or DXR... room automation station.
– TX-I/O modules connected to the room automation
station via the island bus.
Other ways of installation:
– Directly in the fan coil.
– In the VAV box (with terminal covers).
– In a raised floor / suspended ceiling
(with terminal covers).
– in a parapet channel (with terminal covers).
Building services
equipment
Connected plants and systems, including: Heating,
ventilation and air conditioning plants, electrical systems,
etc., as well as electrical areas (switches, buttons, lighting
groups, blinds).
KNX S-Mode is not supported by MS/TP devices
Overview
Topology
Note