By Hermann Merz
Modern constructions are more and more outfitted with actuators and sensors, communique, visualization and keep watch over platforms. This textbook offers an outline of commercial communique platforms and stimulates a easy figuring out of community and bus structures for the automation of buildings.
After an creation to EIB/KNX, LON und BACnet applied sciences, the authors illustrate how those structures can be used for particular purposes, like air con or illumination. This booklet assumes just a uncomplicated wisdom of arithmetic and because of its uncomplicated factors and plenty of examples is perfect for college students engineers who require sensible solutions.
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Additional info for Building Automation: Communication systems with EIB/KNX, LON und BACnet
15). 46 2 The Basics of Industrial Communication Technology Fig. 14 Tree topology a b Fig. 2 Media Access Control Methods In field bus and network communication all devices have direct access to the transmission channel. As a rule, all devices can receive and process the signal transferred on the channel. However, if more than one device were to send a signal simultaneously, then these signals would collide with each other. For this reason, techniques have been developed that prevent the data from colliding.
Devices that are involved in executing a function exchange information directly with each other. KNX can be used to control lights, blinds or shutters (see Sect. 2). A sensor, such as a four-gang push button sensor, generates a command and then transmits it in the form of a data frame over the bus to an actuator. As soon as the actuator receives the data frame, it sends back an acknowledgement and then executes the command (Fig. 1). RF). Konnex is an international building control standard. KNX was ratified by CENELEC as the European Standard EN 50090 in December 2003.
Approximately ten percent of companies in the electrical and electronics industry can plan and install KNX systems. Many engineering companies take on KNX projects, which mean that their energy and building system engineers need to have a good working knowledge of KNX. • Using IP Gateways, KNX systems are increasingly being integrated into the network infrastructure of buildings (TCP/IP networks), allowing them to be accessed externally via the Internet. KNX also enables you to connect electrical installations to the Internet.
Building Automation: Communication systems with EIB/KNX, LON und BACnet by Hermann Merz