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Solution

CX9020 Embedded PC with directly
attached Bus Terminals in a building control
cabinet. © Dongfeng Design Institute

Building H is a landmark building in the Wuhan nance management platform” developed by automation software from Beckhoff facilitates the
Economic and Technological Development Zone Dongfeng Design Institute. It realizes a digital engineering process.
(WEDZ) with a floor area of 82,000 m . With its twin system through mutual mapping and bidi-
2
H-shaped design, it maximizes the use of natural rectional control between the real physical envi- Different types of presence sensors, combined
light for illumination. A photovoltaic power sta- ronment and the virtual digital space. with the continuous evolution of intelligent control
tion built on the roof provides an annual energy algorithms, has resulted, in lighting energy sav-
generation capacity of over 200,000 kWh, which A model in the field of building automation ings of more than 40 % over two years of oper-
basically corresponds to the annual electricity ation. Tangible benefits could also be achieved in
consumption of the building's lighting. A rainwa- There is no single wall switch for controlling the air conditioning. ”The building uses a VRV (Vari-
ter collection device with a volume of 300 m3 lighting for the public zones in the building. All the able Refrigerant Volume) air conditioning system,
on the roof provides recycled water for cleaning lights are controlled automatically through a con- which is connected to the Beckhoff control plat-
the building and watering the plants. The project trol system from Beckhoff, which on the hardware form via the BACnet fieldbus for simple wiring and
was implemented by high-tech enterprise Dong- side consists of CX9020 Embedded PCs – also easy maintenance. Combined with the algorithm
feng Design Institute. certified as BACnet Building Controllers – BK9050 for human presence detection, the HVAC energy
Bus Couplers for Ethernet TCP/IP communication savings rate exceeds 20 %,” says Ke Zhenyu, proj-
The smart building management system incor- and diverse Bus Terminals. The star topology is ect implementation manager for Building H. 
porates, for example, building automation, easy to network and convenient for management
energy management, facility management, fire and maintenance purposes. The control system
protection, access security and environmental also supports the latest DALI 2 lighting technol-
monitoring. All these are combined through the ogy and KNX for infrared human presence sen-
”DFD intelligent building operation and mainte- sors, which significantly simplifies wiring. TwinCAT

Stefan Ziegler
Editorial Management PRBeckhoff Automation
info@beckhoff.comwww.beckhoff.com/building

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BACnet Middle East Journal 12 11/23 9