Catalog
Comfort of building occupants and low running costs
are often contradicting requirements. Room automation
in the Desigo system, where energy demand and production
are tightly connected, can satisfy both.
Siemens offers products for scalable room
automation solutions, from simple HVAC
applications up to room automation with
HVAC, lighting and shading, all seamlessly
combined in one solution.
Innovative and unique
technology from Siemens
Desigo Room Automation
Desigo room automation products allow you
to create a system with the following open
standard communication protocols:
Product range Desigo Total Room Automation
(BACnet)
Desigo Room Automation
(KNX)
Communication (Backbone) BACnet/IP BACnet
MS/TP
KNX
Communication with sensors/actuators
in room (integrations)
KNX
DALI
KNX
System integration / *System functions PXC..-E.D PXG3.L
PXC..-E.D
PXC001-E.D
Modular controller I/Os PXC3.E..
TXM
Compact controller DXR2.E.. DXR2.M.. RXB..
Thermostats RDG..
RDF..
RDU..
Communication with room units KNX PL-Link KNX PL-Link PPS2
Room units QMX3.. QMX3.. QAX..
Touch screen **QMX7..
* Time schedules
** Connects via web server
Desigo Total Room Automation (BACnet)
High-end market • Covers all types of building
structures with decentralized/
centralized or mixed installation
topologies and methods
• Standardized and tested applica-
tion library, allows customer-
specific adaptations
Programmable room automation
KNX PL-Link DALI
Small to medium-
size buildings
with moderate
complexity
• Compact room automation
station for HVAC application
• Expansion with lighting and
shading application by adding
KNX PL-Link devices
• Easy and efficient engineering
with flexible configuration
Configurable room automation
KNX PL-Link expansion
Application Fan coil VAV / fan-
powered box
Radiator / chilled
ceiling
Lights Blinds
Integrated room
Links all disciplines within a room and ensures the
perfect interplay among HVAC, lighting and shading
Flexible room
The scalable system
concept allows you to
stagger your investments
and offers potential
tenants more design
freedom
Demand-controlled supply
Exchange of demand signals
between room automation
and primary plant is the key
Green Leaf
Engages room users to be
actively involved and reset
energy to the optimal level
RoomOptiControl
Innovative and unique
energy efficiency functions
detect unnecessary energy
consumption
Powerful tools
for perfect places –
on their own or
in combination
Room
Primary
4–2
4–3
1 1
3
2
3
2
4 4
Room automation
Overview and selection tools
Room automation
Overview and selection tools