GAMMA instabusKNX system in the Siemens building applications – Siemens, case –
HC intelligent home network Siemens headquarters in Beijing Chaoyang District in the ring road, underground 2 floors, 30 floors above, with high canopy 123 meters, construction area of more than 66,000 square meters. The whole project is mixed steel concrete structure with shear wall structure, double glazing. In addition to equipment and management staff, the other floors are open-style office.
Such a large office building for the electrical system, it is necessary to take into account the convenience of use and management, energy savings of as much as possible. So, not only the building control system used in advanced technology, reliable operation, and must have effective energy management. Siemens building control system GAMMAinstabusKNX from practical application point of view, given a complete solution, not only to meet all the lighting, shading and some room temperature smart control requirements, but also in open-style office area without manual control panel, all run automatically by the system; indoor constant illumination control and tracking the sun shading system, greatly improved the energy efficiency of buildings; if necessary, the building managers in the control room can also be real-time monitoring of the entire building.
KNX in the project many of the latest technologies have been applied:
KNXnet / IP network communication technology KNX / DALI digital lighting technology Constant illumination control room
shade the sun tracking control system
room temperature control KNX these advanced technologies, so that the entire building's indoor environment is comfortable, energy saving, safe and efficient.
System Overview Siemens intelligent building control system GAMMAinstabusKNX is a distributed system based on KNX technology, mainly used in residential areas and building control. KNX specification, originated in the 90s of last century in Europe, now has become a common industry standard. The technology has become the European standard EN50090 and ISO/IEC14543-3 international standards, and in September 2007 officially became the guiding standard technical documents GB/Z20965-2007, its standardization process in China and establish a solid marketing technology base. Standardization of technical documentation in GB/Z20965-2007, KNX technology is defined as HBES control network, that is, residential and building control network.
Siemens intelligent building control system GAMMAinstabusKNX of the biggest advantages is its control of the flexible, powerful and functional plasticity of the system. Choice of different modular devices, through different combinations of building blocks can be controlled to achieve various functions, while hanging device on the bus to run independent of each other, the transformation and expansion of the system becomes very easy.
Siemens intelligent building control system GAMMAinstabusKNX main function is lighting control, shade control, indoor environment (ventilation, heating, etc.) control, safety and energy management, can control the lighting, shading, and HVAC equipment sub-region or centralized management, local individual control, remote control, delay control, time control, sensor control, and through the IP routers and remote management WebVisual visualization to achieve convenient, comfortable, energy efficient indoor environment.
System application 1. KNXnet / IP network communication technology
KNXnet / IP technology is the KNX technology development in the past two years the most prominent spot. With the rapid development of digital communications, almost all modern office building with a local area network digital transmission as the main channel. Therefore, KNX bus communication technology in the original proposed based on the KNXnet / IP protocol, the bus system to access high-speed LAN, the underlying high security, high reliability of bus traffic, the system is a high-speed Ethernet network network. The use of technology, not only retains the advantages of the bus layer protocol, it will be a high-speed Ethernet topology KNX line (line) or regional (Area) data transfer rate up to 10Base, to ensure data accuracy in the premise Next, break the original bus transaction in the amount of data transfer rate and bottleneck areas.
KNXnet / IP technology in the Siemens headquarters building is well played. In this project, Siemens KNX technology based GAMMAinstabusKNX, by the IP router network. So that each floor of the bus through the IP router access TCP / IP networks, high-speed IP network connects the different floors, while the speed of data transmission from the 9600bit / s up to 10Base (10Mbit / s), to meet the control PC on the rapid acquisition of information for each device. Installation
A visualization software PC, but also an IP port access through any building in the state of any device or send control commands; the same, different equipment between floors by the IP router by KNXnet / IP protocol will KNX signal packaged into IP data packets, sent to the IP network, IP by IP router packet has resolved to KNX signal transmission network in GAMMAinstabusKNX.
As a result of IP networking mode, GAMMAinstabusKNX system and other BMS systems can be achieved through the OPC communication, the system control device IP port access through Ethernet only. Siemens headquarters in Beijing to consider a larger system, the project and the use of IP Router N146 N140 bus coupler combination of network formation, which region of the line connected by the N140 bus coupler is essentially a system every five regional; region and regional networking between the use of IP Router N146.
2. DALI Digital Lighting Siemens Building GAMMAinstabusKNX
another major technological highlight is the open-style office in the region with the most advanced fluorescent DALI digital dimming control.
DALI Addressable Lighting Interface (DigitalAddressableLightingInterface) is a data transfer protocol, which defines the electronic ballast and equipment, means of communication between the controller, each addressable ballasts are digital communications. Via DALI bus between DALI ballasts (2 data lines) interconnected; each DALI bus can take up to 64 DALI ballasts.
GAMMAinstabusKNX system by Siemens KNX / DALI DALI bus connection interface, every KNX / DALI interface to access a DALI bus can take 64 ballasts. KNX / DALI interface, automatic coding for DALI ballasts, each ballast has an address code. According to this address code, GAMMAinstabusKNX direct access to each ballast. Siemens Building
by OSRAM DALI dimming ballasts
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