User Manual

17
Integration into the building automation
and control system
Management
level
Automation
level
Room level
10333Z02_01
BACnet / LonTalk
DESIGO INSIGHT
RXC...
QAX5...
PPS2
QAX...
ON ARK LM / LonTalk
RXC...
DESIGO INSIGHT
PXM20-E
PXM20
BACnet / LonTalk
PXX-Lxx
PXC....D modular
PXX-Lxx
PXC200-E.D
BACnet / Ethernet / IP
PXC22.D
PXC....D modular
ON ARK LM -compatible third-party devices
Stand-alone operation at field level
The Desigo RXC room automation system can be operated as a stand-alone system.
All the required functions are made possible by means of LON communications be-
tween the devices.
Integration into the automation level
Through integration into the Desigo PX automation level, a number of further functions
become available (refer to the PX system description, document CM110756).
The room level is integrated into the automation level by means of the system controller
PXC....D + PXX-Lxx. This controller converts the L
ONMARK objects into BACnet objects,
and provides comprehensive grouping functions. Up to 60 room controllers can be
connected to each PXX-L11 system controller, and up to 120 to each PXX-L12 system
controller.
Features of the system controllers PXC....D + PXX-Lxx:
• Concentration of data of the room controllers, and easy manipulation of this data
• Simple definition of groups
• Implementation of system functions, e.g. time schedules, trends, alarms etc.
• Coordination with the primary plant
• Efficient engineering and rational commissioning
Features of the PXM20 / PXM20-E operator unit
• Operation and monitoring of the entire automation level including inputs, outputs and
the room-controller operating states.
• Display and modification of time schedules
• Graphics-based display of trend data