User manual. KNX communication protocol. 1MNUPRKNX KNX communication protocol for KNX modules. September edition By simply creating a personal MyKNX account you get access to the KNX software, online training sessions, documentation, KNX support and more! Register. KNX is a uniform, manufacturer-independent communication protocol for intelligently networking state-of-the-art home and building system.

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KNX devices are commonly connected by a twisted pair bus and can be modified from a controller. KNX is not based on a specific hardware platform and a network can be controlled by anything from an 8-bit microcontroller to a PC, according to the demands of a particular building.

KNX devices can manage lighting, blinds and shutters, HVAC, security systems, energy management, audio video, white goods, displays, remote control, etc. To logically link applications datapoints across the network, KNX has three underlying binding schemes: These functional blocks and datapoint types are related to applications fields, but some of them are of konex use such as date and time.

KNX (standard)

This is implemented via interworking models with standardised datapoint types and objectsmodelling logical device channels. Elements Actuators Hardware controllers Sensors.

Device models vary according to node protpcol, capabilities, management features and configuration modes, and are all laid down in the profiles. KNX can link up to 57, devices using bit addresses.

It also uses CSMA. Datapoints may be accessed through unicast or multicast mechanisms. Some modes require more active management over the bus, whereas some others are mainly oriented towards local configuration.


Datapoints have to confirm to standardised datapoint typesthemselves grouped into functional blocks. A tree topology is recommended for a large installation. KNX is the standard that unites advantages and guarantees to strict regulation. Views Read Edit View history. A KNX installation always consists of a set of devices connected to the bus or network.

Blumotix – Partner Konnex KNX – building automation

Being KNX Producer means proposing high-quality solutionsguaranteeing results of maximum reliability and offering products with great potential for application. Costs Mesh networking Organizations Smart grid. Konex of the maximum values of all manufacturers in KNX mode is the interoperability that is the possibility to set up systems on which devices from different manufacturers can be installed.

Actuators Hardware controllers Sensors. For the jazz record label, see Konnex Records. In particular, the control experience is in the act of attention and maintenance.

This page was last edited on 18 Decemberat Ignoring any preamble for medium-specific access and collision control, a frame format is generally:. It is administered by the KNX Association cvbaa non-profit organisation governed by Belgian law which was formed in Coupling units allow address filtering which helps to improve performance given the limited bus signal speed. SELV power is distributed via the same pair for low-power devices.

The KNX Association had registered hardware and software vendor members from 44 nations as at 1 July Central to the KNX architecture concepts are datapoints inputs, outputs, parameters, and diagnostic data which represent process and control variables in the system.


Configuration may be achieved through a combination of local activity on the devices such pushing a buttonand active network management communication over the bus peer-to-peer, or more centralized master-slave. The common konnxe sits on top of the physical layers and the medium-specific data link layer kknnex is shared by all the devices on the KNX Network.

Application software, together with system topology and commissioning software, is loaded onto the devices via a system interface component. Installed systems can be accessed via LAN, point to point links, or phone networks for central or distributed control of the system via computers, tablets and touch screens, and smartphones. An installation has to be configured at the network topology level and at individual nodes or devices. PL power-line transmission is delivered using spread frequency shift keying signalling with asynchronous transmission of data packets and half duplex bi-directional communication.

It is the only worldwide recognize technology, the standard that combines advantages and guarantees with a strict regulation.

KNX is an approved standard by the following organisations, inter alia: