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8/20/2019 KNX System the Benefits 0207
1/13
www.konnex.org
Home & Building Automation with
KNX – Benefits compared to
competing systems
Joost Demarest – KNX Certification and Administration Director
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< Joost Demarest>
Page No. 2
February 07KNX: The world’s only open STANDARD for Home & Building Control
A multitude of KNX solution providers (1)
The KNX family is an association of
approximately 100 manufacturers• Including key players in the electrical, HVAC
and white goods market
• Including SMEs as well as multinational
companies
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< Joost Demarest>
Page No. 3
February 07KNX: The world’s only open STANDARD for Home & Building Control
A multitude of KNX solution providers (2)
The KNX family is an association of morethan 100 manufacturers
• Companies predominantly with Europeanheadquarters but some also in Asia/USA
• Offering KNX compatible solutionsranging from system components/stackimplementations to complete off-the-shelf KNXdevices
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< Joost Demarest>
Page No. 4
February 07KNX: The world’s only open STANDARD for Home & Building Control
Backed up by sound organization
KNX Association cvba
• profit organization with headquarters near Brussels (Belgium)reuniting all activities of the former KNX and the legacyassociations (Batibus, EIBA and EHSA)
• Promotional work of KNX system in various countries done byKNX national groups (currently in 18 countries)
• Source of income:
membership contributions (staggered to size of company)
Licenses (on KNX technologies and KNX software tools)
registration/certification fees
License fees of ETS and other KNX tools NO sale of KNX solutions, be it system components, stacks or final
products
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Page No. 5
February 07KNX: The world’s only open STANDARD for Home & Building Control
free use of Intellectual Property Rights
IPR License Agreement concluded between KNX
members• At the publication of a new version of the KNX
standard, every member is obliged to come forward with patentsnecessary for the development of a product compliant to this new version
• Member must
Either declare that the use of the patent is free of charge by othermembers in KNX certified products or
The relevant chapter in the KNX standard has to be rewritten tocircumvent the relevant patent
• Result:
KNX specifications = patent free for KNX members (truly open) KNX product can be built on the basis of KNX standard
• entirely by the KNX member
• without being obliged to buy system components from a particular provider
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< Joost Demarest>
Page No. 6
February 07KNX: The world’s only open STANDARD for Home & Building Control
Multi-vendor and cross discipline Interoperability (1)
Datapoint Type
Datapoint Behaviour
Functional Block
Application Model
Application Domain
Format Encoding Range Unit
SEEEMMMMMMMMMMMMS = Sign 0: Positive
1: NegativeEEE = ExponentM..M= Mantissa
Value = (-1)S*2
E*MMMMMMMMMMM
-276 ... +65536 °C
2 octet float Temperature in °C
2 octet float temperature in °C
Controller Setpoint Temperature
Hot Water Boiler
Heating
HVAC
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Page No. 7
February 07KNX: The world’s only open STANDARD for Home & Building Control
Multi-vendor and cross discipline Interoperability (2)
KNX Specifications Volume 3
• Contain a description of the protocol grouped according to layers of the
OSI model
• Also contains a description of the Interworking Model
List of standardized data point types (DPT) for general purpose or foruse in the context of a particular functional block only
Rules for use of standardized and non-standardised data point types for
parameterization, testing/diagnostics/discovery and runtime
Runtime communication: very strict rules
KNX Specifications Volume 7
• Contain for many application domains numerous functional blockdescriptions
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Page No. 8
February 07KNX: The world’s only open STANDARD for Home & Building Control
Sound certification (1)
Certification of products
• Products branded with the KNX Trademark guaranteeconformity to KNX standard (emphasis on KNX protocol and KNXinterworking)
• Conformity is checked by independent third party test labs
• KNX Association only acts as certification administration center (registration of the products – issuing of KNX certificates)
• Facts & Figures: more than 6000 certified products available
Certification of Training Centers
• Ensuring uniform training on KNX system throughout the world by Theoretical and practical examination of KNX tutors
Publication of uniform KNX training documentation/examination papers (for basic,upgrade and tutor course)
Minimum requirements for didactical material used by training center (KNX, media, …)
Minimum organizational requirements
• Facts & Figures: more than 100 KNX certified training centers worldwide
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Page No. 9
February 07KNX: The world’s only open STANDARD for Home & Building Control
Sound certification (2)
Certification of persons
• Persons having passed examination at KNX certifiedtraining center can apply for KNX partnership
Listed in KNX database of KNX qualified persons on KNX web pages
Possibility to use the KNX partnership logo free of charge
• Facts and Figures: more than 11000 listed KNX partners worldwide Accreditation of test labs
• Ensuring uniform testing of KNX products throughout the world through
Verification of aptitude of candidate labs on basis of sample test
Compliance to ISO 17025
• Facts and Figures: 4 accredited KNX accredited test labs in Europe
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Page No. 10
February 07KNX: The world’s only open STANDARD for Home & Building Control
One Tool
KNX System Mode (PC based linking/parameterization):
ETS 3 Professional
For KNX trained persons Allows linking and parameterization of
KNX S-mode compatible products (85% ofall KNX products are S-mode compliant)
Support of entire address range – maximum
number of devices Multi-vendor and multi-application
Foreseen to be the future binding tool for projects configured via otherinstallation modes (see next slide)
• ETS 3 Starter
Lower level step-in version of ETS - Getting acquainted with KNX Allows creation of projects with limited amount of devices, reduced
functionality
Only subset of S-mode compatible devices are starter compliant (8%)
Multi-vendor and multi-application
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Page No. 11
February 07KNX: The world’s only open STANDARD for Home & Building Control
Other configuration modes
KNX Easy installation (6%)
Easy controller
Master device checks for partner devices on the network – configuration(“linking/parameterization of channels”) via display at master device
Most controller mode devices are also S-mode compliant
• Easy Push button
Activating actuators to acquiresensors as partner devices
Stimulate sensors to be enrolled
Current only realized on KNX RF
• Easy Logical Tag Extended
For HVAC applications
assigning semantical or geographical zoning tag
All current certified LTE devices also contain an S-mode interface
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Page No. 12
February 07KNX: The world’s only open STANDARD for Home & Building Control
A European and a worldwide Standard
Internationally Standardized
• KNX Technology approved as a European
standard (December 2003) including
KNX media TP and PL
KNX kernel (LL, TL, NL, AL)
KNX Network Management Procedures
• Referencing in CEN of EN 50090 as EN 13321-1
approved December 2005
• KNX RF medium approved by CENELEC in May 2006
for inclusion in EN 50090 as part 5-3
• Medium independent layers approved as a worldwide
standard as part of ISO/IEC 14543 series in October2006
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Page No. 13
February 07KNX: The world’s only open STANDARD for Home & Building Control
From single family home to high rise buildings
Penthouse at ZurIch lake – KNX Award
2004 – special distinction
Research center Janssen
Pharmaceutical Belgium
– KNX Award 2004 –
1st Price
Shoe shop Athens Greece – KNX Award
2004 – 2nd price
Belgorodenergo building Moscow – KNX
Award 2004 – 3nd price
Frankfurt Port Management Building –
KNX Award 2004 – special distinction