ABB STOTZ-KONTAKT GmbH

© ABB STOTZ-KONTAKT GmbH - Folie 1 

IBI Conference 08 

DALI and KNX


Overview of Dimmers 

e.g. 

UD/S 

2.300.2 

e.g. 

SD/S 

x.16.1 

e.g. 

DG/S 1.1 

1...10V 

Phase Control 

0...230V 

electronic 

ballast device unit 

DALI 

electronic e. b. d., 

dimmer, ballast unit etc. 

e. b. d., 

dimmer, etc. 

Incandescent Lamps 

Halogen Lamps 

Fluorescent Lighting 

or 

or


L 

N 

Switch-/Dim Actuator 

I 

0 

1..10 

V 

Ballast 

SD/S x.16.1


Light Controller/Switch Dim Actuator 

L1 

N 

I 

0 

LF/U 2.1 

Lx 

1...10V 

Ballast 

LR/S 2.16.1


What is DALI ? 

The subject DALI is a synonym for a standard, independent 

of the manufacturer to control electronic ballast devices 

(ebd`s) and lamps the digital way 

Members of DALI: 

ABB, BAG, CEAG, DELMATIC, DIAL, ECKERLE, ERC, ERCO, ETAP, GEWISS, 

GITRONICA, HADLER, HELVAR, HÜCO, INSTA, JOHANSON CONTROLS, 

LIGHTOLIER, LUTRON, LUXMATE, MAY&CHRISTE, NIKO, OSRAM, PHILIPS 

LIGHTING, SANDER, TRIDONIC, TROLL, UNIVERSAL LIGTHING 

TECHNOLOGIES, VOSSLOHGIES, VOSSLOH-SCHWABE, WILA 

www.dali-ag.org


Example of a DALI System 

DALI GC 

DALI GC 

DALI SC 

ETR DC one4all 

ETR-one4all 

DALI RM 

EBD DALI 

EBD DALI 

EBD DALI 

DALI - Dimmer 

DALI PS


DALI Technology 

� Some Features 

� Standard Protocol on a Control Line with 2 Wires 

� The DALI Control Line can be installed together with Mains Cable 

(e.g. by using a 5 wires standard Cable) 

L 

N 

DALI


DALI Technology 

� Some Features 

� 64 DALI Components in one System 

� Up to 16 Groups 

� Up to 16 Light Scenes 

� Dimming via logarithmic characteristic Curve 

(like human Eye) 

� Control of individual Devices or Groups 

� Simultaneous Control of all Devices (Broadcast-Mode) 

� Status Feedback (Lamp on/off, actual Brightness Value, 

Lamp- and Ballast Fault) 

� Operation with DC - Power (Emergency Light)


Why DALI ? 

� DALI is a worldwide Standard 

� Unique Features 

� Strong Growth in the last Years 

� Trend in Lighting Control goes to Dimming and Constant Light 

Control (Energy Efficiency) 

� Lamps with Ballasts (Flourescent and LED) and Dimming will be 

DALI in Future 

� Growing Market of LED-Lighting will enhance this Effect 

� Coulored Lighting and Light Effects need smart Technology


Why DALI ? 

� Simple Wiring 

� Flexibility 

� Status Feedback (Lamp- and Ballast Fault) 

� Integration of Emergency Lighting, no separate System 

� Implementation of Emergency Light in DALI just running


DALI and Emergency Lighting 

EMPro for Self-Contained Emergency 

Lighting Applications using DALI 

Source: ATL UK 

LED Emergency fittings


Comparision 1...10V with DALI 

� 2 wires control Cable 

1...10 V DALI 

� Controlled by Bussystems (KNX or 

others) 

� Dimming Range 1…100%, 

linear characteristic Curve 

� No Feedback 

� No Adresses 

� 2 wires control Cable 

� Controlled by bussystems (KNX or 

others) 

� Dimming range 1…100%, 

logarithmic characteristic Curve 

� Individuell feedback 

� Group-, individual- and 

Broadcast Adresses 

� Scenes 

� Programmable Dimming Times 

� Synchronized Dimming 

� Electronic Switching (on/off)


ABB i-bus® KNX 

With ABB i-bus® DALI-Gateways exist the Opportunity to combine 

DALI Components with KNX, in order to have Functions and 

Benefits of DALI Standard and KNX in one System 

DG/S 8.1 

KNX 

DG/S 1.1 

DG/S 1.16.1


230 V 

KNX DALI-Gateway 

DALI-Gateway 

DG/S 8.1 

Operation Visualisation Shutter Heating 

Cooling 

Security


KNX DALI-Gateway 

Main channel A Add. channel B 

. . . 

7 64 

- Individual adressing 

- Individual control 

-ON/OFF 

- Dimming 

- Brightness value 

- Broadcast control 

5 

3 

1 

6 

4 

2 

2 x 64 DALI devices 

1 

DALI-Gateway 

DG/S 1.1 

64 

. . .

� DGS11 – Software Tool 

� Indication of all connected DALI devices 

� Monitoring of all connected DALI Devices 

� Individual devices switchable (ON/OFF) 

� Adjustable Brightness values for ON and OFF 

� Readressing with Drag and Drop 

� Status of system (Ballast- and Lamp Failure) 

� Replacement of one DALI-Device � thesameDALI-Adress 

� Replacement of more than one Ballast � 

Usage of the DGS 11 - Software Tool 

© ABB STOTZ-KONTAKT GmbH - Folie 16 KNX - DALI – Commissioning and Maintenance



� Combining KNX and DALI … 

� DALI is specialized in Lighting and a Standard 

� KNX is covering almost all applications � Together a strong 

solution 

� All other Lighting related KNX-Devices can be used (Push 

Buttons, Touch-Panels, Light sensors, …) � Less Components 

� No DALI Power Supply, no DALI-Controller � easier 

Implementation 

© ABB STOTZ-KONTAKT GmbH - Folie 19 KNX - DALI – Advantages


KNX - DALI – Investment 

� 64 individual lamps (1-10 V) 

… 8 x



� 64 individual lamps (DALI) 

Add on: Broadcast Channel for up to 64 further lamps 

… 1 x



� DALI Ballast versus dimmable Ballast (1-10 V) 

Source: Phillips 

� Price on the market ? 

Thesame! 

� Combined devices on the market 

(DALI and 1-10 V Input) 

� Thesis: In Future only DALI-Ballast 

available (for Dimming)


Why Light Control ? … 

� Main Topic: 

� Plus … 

Energy Efficiency 

� Comfortable Lighting Control 

� Optimised Light Situation 

for the best Condition in 

the Building 

(e.g. Office, Sports Hall, 

Class Rooms)


Energy Efficiency with Light Control 

University with Seminar Rooms: 

Comparision of two Rooms


Energy Efficiency with Light Control 

Efficiency Potential: Lighting 

Automation Function Potential 

Savings 

Constant Light Control 

(dimmed according to 

presence & brightness) 

Automatic Lighting 

(switched according to 

presence & brightness) 

Sunlight Automatic 

(blind & shutter positioning) 

Sun Tracing 

(Louvre angle positioning) 

Staircase Lighting 

(Timed lighting) 

Influencing factors (Positive) 

35 - 50 % - good natural lighting levels 

- required light levels > 300 lx 

- especially in combination with ST (below) 


- required light levels > 300 lx 



- especially in combination with CLC (above) 

? - areas of low usage 

Source: Energieeffizienz automatisien, LonMark Deutschland e.V. Comparison to reference buildings according to DIN 

V 18599 or prEN 15232


Project Energy Efficiency 

and 

Energy Efficiency



Costumers ask us: 

What is possible with KNX ? Facts and Figures ? 

Current Situation: There are some Information, 

sometimes with Figures, rarely with a Background 

based on Facts (… save up to 80 % … ?! …)



Conclusion of ABB: 

Project with a University - KNX and Energy Efficiency 

ABB Stotz-Kontakt Busch-Jaeger University Biberach



Project Description: 

Investigation of KNX with typical Functions (Lighting Control, Sun 

Protection, Heating, Cooling) and defined Parameters (Type of 

Building, User Profile) regarding the Potential of Energy Saving 

Results and final 

Report until End 

of 2008

© ABB STOTZ-KONTAKT GmbH - Folie 30

ABB STOTZ-KONTAKT GmbH

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