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DALI Lighting Control Solutions Explained
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  • Adaptive SchedulingDaylight HarvestingLighting LimitsOccupancy ControlPersonal Task ControlLoad Shedding

Transcript

  • 1. DALI Lighting Control Solutions Explained
  • 2. Controls Save Energy Lighting energy savings due to Lighting ControlsEnergy Management Strategies Multi-Tenant Corporate Hospital Admin Major Sports Office bldg Office Building Building complex 300K ft2 400K ft2 175K ft2 1.3 M ft2Adaptive Scheduling 14% 9% 22% 24%Daylight Harvesting 1% 4% 8% 3%Lighting Limits 9% 11% 13% 5%Occupancy Control 31% 25% 25% 37%Personal Task Control 6% 11% 2% 2%Load Shedding 0% 5% 3% 5% Cumulative Savings due to Addressable 61% 64% 74% 77% Lighting Controls
  • 3. DALI – the simple, versatile digital lighting solution DALI = Digital Addressable Lighting Interface DALI is an international standard created specifically for digital lighting control DALI provides a single interface for all electronically controlled light sources in an easy-to-install and versatile system DALI promises flexibility in design, and ease of installation DALI provides almost unlimited scalability of lighting control systems DALI is cost-effective through energy-savings and is easy to manage Created by Europe’s leading lighting manufacturers and is firmly established all over the worldSource: DALI-AG
  • 4. History: Founded in Europe Tridonic and others » Digital Serial Interface (DSI) ballasts in 1991 » Digital Addressable Lighting Interface (DALI) ballast in 1998 » Dropped royalties to gain wide spread acceptance of DALI IEC » DALI protocol (IEC Standard 60929, Annex E & G) advanced to voting process in year 2000. » Adopted by other leading ballast and control manufactures » Formally adopted summer of 2002
  • 5. History: Came to USA (and the world) NEMA Controls Council » Wiring Devices, Controls, and Ballasts » Liaison with International Electrotechnical Commission (IEC) » DALI subcommittee IESNA Controls Subcommittee » Established to develop a control protocol » Reviewed several existing systems » Asked by NEMA to comment on DALI proposal A true GLOBAL and OPEN standard
  • 6. DALI AG Global Governing Body to Promote and manage the DALI protocol Review protocol compliance by manufactures >62 members as of January 2012 ABB - ALTENBURGER - B.E.G. - BAG - BTICINO - CABA - CEAG - CP ELECTRONICS LTD - CRESTRON ELECTRONICS - DELMATIC - DIAL - DISTECH CONTROLS SAS - DYNALITE - ECKERLE - ELDOLED - ELTAM - ERC - ERCO - ETAP-Excellum - EUTRAC - FIFTH - GERARD - GEWISS - GITRONICA - HÜCO - HADLER - HARVARD ENGINEERING PLC - HELVAR - HEP TECH CO. LTD. - HERBERT WALDMANN GMBH & CO KG - HESCH INDUSTRIE-ELEKTRONIK GMBH - INFRANET - INSTA - KATHREIN Austria - LEGRAND GROUP - LIGHTOLIER - LUTRON - MACKWELL - ME - NIKO - NOVAR ED&S Limited - OSRAM - PHILIPS - POWER SYSTEMS - RENESAS ELECTRONICS EUROPE GMBH - SAIA BURGESS CONTROLS AG - SAMSUNG LED Co., Ltd. - SANDER - SCEMTEC - SCHNEIDER ELECTRIC - SIMMTRONIC - SITECO BELEUCHTUNGSTECHNIK - SPITTLER - STEINEL PROFESSIONAL - TCI - TRIDONIC - Theben AG - UNIVERSAL - VENTURE LIGHTING EUROPE Ltd - VOSSLOH - WAGO - XAL - ZUMTOBEL DALI-AG.org
  • 7. What is DALI? DALI is not a product DALI is a protocol, a set of rules defined from ballast perspective » Power connection » Lamp response » Control interface » Command set
  • 8. Benefits of DALIInternational standard Versatility Interchangeability of different manufacturers’  Freely addressable DALI operating devices for equipment scalable lighting scenes (from workplace to room, to Designed specifically for commercial and architectural floor, to building) lighting  Lighting group configuration and reconfiguration by Future-proof software (no hard-wiring and rewiring)  Interoperability with building management systemsCost-effectiveness Intelligent lighting management (maximizing service life Digital system and saving energy)  Distributed intelligence (no external switching Low installation costs (simple wiring, fewer and low- relays, local storage of up to 16 lighting scenes on cost components) one DALI operating device) Low maintenance costs  Automated functions (e.g. sensor controlled dimming and switching)Simple planning and installation  Individual status reporting Single-cable solution (no additional bus cable required) Simple wiring (no observance of polarity, any topology) Flexible lighting designSource: DALI-AG
  • 9. Benefits of DALI Lower initial cost to the Owner » Simple wiring Higher level of maintenance to the Facility Manager » Status of lamp and ballast Greater flexibility to the Lighting Designer » Change grouping via software Lower energy costs to the User » Reduced power consumption Greater sense of control to the Occupant » Individual control
  • 10. Benefits for architects Ability to Mix and match » All major manufacturers offer DALI-compliant lighting control devices which are available for all kinds of light sources – offering freedom of choice » Architects can combine lighting solutions from multiple manufacturers and use different types of luminaires in one installation, allowing more artistic freedom Scene-based lighting » Using different lighting scenes, the mood and function of rooms or areas of a building, or even the character of a building itself, can be changed at the touch of a button Meeting people’s needs » Good lighting meets the visual, emotional and biological needs of the people using a building » Optimum conditions can be created by means of automated dimming and switching, using daylight and occupancy sensors, for exampleSource: DALI-AG
  • 11. Benefits for specifiers Cost-effective » Fewer components and simple wiring, systems offer intelligent scene-based lighting management at low cost » Luminaires are grouped using software instead of hard-wiring allows changes to be made at any point up to the commissioning stage purely by reprogramming, without the expense of redesigning or rewiring Versatile » Replaces inflexible 1-10V analogue systems » Control individual luminaires, light groups and networks » Luminaires can be freely assigned to different groups to create flexible lighting scenes for workplaces, rooms, floors and buildings » Interoperable with all building management systems » Lighting scenes can be configured, reconfigured, saved and called up again on a central computer, meeting changing requirements with total flexibility throughout the system’s life Simple and intelligent » Single interface for all types of electronic control gear (ECG) and lighting control devices » Light fittings from any manufacturer and of any load type can be used in one installation, as long as they are fitted with DALI ECG, removing the constraints created by proprietary systems » Local lighting intelligence of the ECG, fewer controls are necessary for changing lighting scenes and even first-time users can quickly learn to operate groups of lights Source: DALI-AG
  • 12. Benefits for installers and electrical contractors DALI is not only easy to install, but also extremely cost effective, saving both time and resources Wiring made simple » Single-cable digital system » Wiring is done using only a standard mains rated 5-core cable that handles power supply and DALI communications, so no separate bus cable or special tools are required » Offers complete freedom of topology, DALI avoids the wiring errors common with 1-10V systems Digital means simple and flexible » There is no need to wire luminaires in groups » The system is simply programmed and, if requirements change, it can be reprogrammed, thus avoiding costly rewiring » Switching relays are unnecessary because switching is done locally by the ballasts themselves » DALI can easily be integrated into a building management system by means of a simple gateway interface » Testing, fault-finding and commissioning are simplified and time is saved thanks to central monitoring of luminaire statusSource: DALI-AG
  • 13. Benefits for building owners and facility managers DALI offers cost effective sustainability, ease of use, central monitoring and occupant-comfort Cost-effectiveness » Keeps running costs low through intelligent management of lamps and ballasts (i.e. dimming and switching) to maximize their service life, saving energy and reducing replacement costs Sustainability » Versatile and scalable enough to accommodate any changes in room uses and lighting requirements throughout the life of the building Ease of use » Easy to operate and provide a high degree of convenience - configured flexibly for task-related lighting scenes and reconfigure without rewiring when tenancies change » Permits extensive automation of lighting using daylight sensors, time controls and occupancy sensors Central monitoring » DALI’s 2-way digital communications feature system monitoring, status feedback and fault reporting, thus reducing maintenance costs, and enabling lighting groups to be reconfigured centrally and integrates as a sub-system in the building management system Occupant comfort » Occupants enjoy a pleasant working environment due both to the ease with which they can change lighting scenes and to automated comfort features, such as dimming and switching in response to ambient light levels and occupancySource: DALI-AG
  • 14. DALI vs. Proprietary Digital Bus The market is confused and searching for a solution One group wants a single vendor solution for security and guaranteed compatibility » Most single vendor solutions lock a project into a proprietary solution with higher price and limited options Another group wants an open/standard solution for competitive pricing and broader options » Many open solutions have compatibility challenges and open the project to finger pointing
  • 15. Crestron DALI Solution Single Vendor = Single Point of Responsibility and Response » Crestron supplies Ballasts, Controls, Sensors and Systems beyond DALI » Crestron takes full responsibility for start-up and commissioning of the entire Crestron system » Designer and Contractor are secure because there is “one throat to choke” Open Standard = Competitive Pricing and Broader Choices » True DALI solution – member of DALI and fully compliant » Competitive to every other DALI manufacturer – No single source cost premium » If the application requires components beyond those supplied by Crestron, the world of DALI is open to the design
  • 16. Protocol: Power Connection• Initial application of voltage – lamps go to full output or other preset level • Universal voltage input – 115V to 300V, 50Hz to 60Hz • High power factor • Low harmonics • Transient protection
  • 17. Protocol: Lamp Response Precise dimming curve » Logarithmic curve » Range: 0.1% to 100% for incandescent, 1% to 100% for linear fluorescent and LED, 3% to 100% for CFL » 254 steps » Based on lamp arc power • not lamp lumen output
  • 18. Protocol: Control Interface Intent Electrical Media Wiring Bits and Bytes No Collision Detection
  • 19. Control Interface: Intent Low cost Simple Low interference Interchangeable
  • 20. Control Interface: Electrical Voltage – 0 VDC to 16VDC (+/- 4.5V) Voltage drop – must not exceed 2 volts Loss of control voltage – lamps go to preset level Current – 2 ma consumption, able to sink 250 ma Power – Remote power supply of <250 ma Speed – 1,200 bits/sec - Slow but reliable » compare to Ethernet at 100Mb/s » Slower communication speed and Manchester Encoding increase reliability and noise resistance Must be able to withstand live voltage
  • 21. Control Interface: Media Two wire Twisted pair not required Shielded pair not required Non-polarized No End-of-Line resistor Standard building wire
  • 22. Control Interface: Wiring Maximum length of 300 meters Open topology: chain, star, tree Class 2 (may be wired as Class 1) » for ballasts, controls May be installed with line voltage
  • 23. DALI Wiring Topology DiagramSerial Connection Star Connection Or in any combination of the two topologies
  • 24. Control Interface: Bits and Bytes Address (one specific ballast) • 0AAAAAA1 + CCCCCCCC , 0AAAAAA0 + arc power Broadcast (all ballasts – to avoid “popcorning”) • 11111111 + CCCCCCCC , 11111110 + arc power Group (send to group – to avoid “popcorning”) • 100GGGG1 + CCCCCCCC , 100GGGG0 + arc power “Go To Scene”: • 0AAAAAA1 + 0001SSSS • 11111111 + 0001SSSS • 100GGGG1 + 0001SSSS
  • 25. Control Interface: No Collision Detection Assumes only one sending device Ballasts talk only when queried No checking for simultaneous commands Control manufacturers must provide collision detection » Crestron DIN-DALI, when properly configured, no risk of collision
  • 26. Protocol: Command Set Current command set is for ballasts only. >100 commands defined » with space for future commands Ability to program, control and monitor status information Spaces in commands defined for manufacture specific commands » Like Power Metering
  • 27. Ballast Commands: To Ballast » Off » Fade to Level » Step Up » Set Actual Level » Step Down, » Set Power On Level » On and Step Up » Set System Failure Level » Set Max » Set Fade Time » Step Down and Off » Set Fade Rate » Set Min » Set Scene » Go to Max » Go to Scene » Go to Min » Remove from Scene » Up to Max » Set Group » Down to Min » Remove from Group
  • 28. Ballast Commands: Information from Ballast (Query)  Actual Level,  Scene Level  Power ON Level  Fade Time  System Failure Level  Random Address » Invalid arc power request  Version Number » Lamp failure  Device Type » Just Reset  Max  Min  Group Assignment
  • 29. Device Types Type 0 – Standard (fluorescent) Type 1 – Emergency lighting Type 2 – HID lamps Type 3 – Low voltage halogen lamps Type 4 – Line voltage incandescent lamps Type 5…255 – Future device type (LED, Induction)
  • 30. DALI Programming Each DALI loop can support up to 64 individual addresses When in initial programming mode: • Each ballast generates a 24 bit random address • Control unit then assigns a 6 bit short address (0 to 63) to each ballast • May reassign a 6 bit address to each ballast • May assign a 6 bit address by disconnecting a lamp from the ballast Crestron DALI software masks this level of detail from end user
  • 31. DALI Programming (Cont’d) Group Addressing » Each DALI loop can support up to 16 individual groups » Each ballast may belong to any or all of the 16 available groups Scene Setting » Each ballast may have as many as 16 preset levels (scenes) » Scenes may be applied to ballasts » Scenes may be applied to groups
  • 32. Wiring per NEC Approved for use in Class 1 and Class 2 installations DALI wiring may be with line-voltage wiring Could use a 5-wire prefabricated wiring assemble Installation must comply with Code Verify rating of control units
  • 33. Electrician’s Wiring Diagram
  • 34. Auxiliary Components Power Supply » Voltage – 16VDC (9.5V to 22.5V) » Power – <250 ma Controller Units – Separate or in one unit » Scene Controller » Daylight Harvesting Controller » Occupancy Controller Computer Interface (optional)
  • 35. Sensor Connection DiagramsTo Control Unit To DALI Loop
  • 36. Auxiliary Components (Cont’d) Gateways » DALI – RS232 » DALI - Ethernet » RS232 – Ethernet hub » In separate cabinet from the branch circuit panelboard
  • 37. The Crestron DALI Product Line DALI Controllers – DIN-DALI-2 » Controller with 2 DALI Loops, Ethernet and Crestnet DALI Ballasts – GLB-DALI » T8, T5, T5HO – 1,2,3 Lamp » Standard or Energy Metering Versions DALI Configuration Software » Local, Ethernet, Crestnet Facility Management – Fusion-EM » Ballast Status, Building Scheduling
  • 38. Crestron DIN-DALI-2 Controller Interfaces with 2 independent DALI loops Controls up to 128 DALI ballasts Cresnet or PoE communication for single wire installation Integrated DALI power supply Crestron DALI commissioning tool for easy setup Override input 9M wide DIN rail mounting
  • 39. Crestron DALI Solutions: Equipment
  • 40. Crestron DALI Solutions: Equipment DIN-DALI-2: Ballast Interface  Allows for DALI to talk to Cresnet (Protocol to Protocol…seamlessly)  Each interface has 2 DALI loops: 2 x 64 = 128 devices  DALI wire is supplied by Belden  Housed in a 2x1 simple CAEN Enclosure or DIN rail mounted  Requires a control processor such as the DIN- AP2 DIN rail mounted unit  Self healing system = 1 ballast goes down & replaced, automatically re-addressed Ballast Interface40
  • 41. DALI Solutions: Equipment DIN-AP2: Control Processor  The DIN-DALI-2 interface requires a processor (the brains of the system)  Any Crestron 2-series control processor can be used (PAC2, PAC2M, DIN-AP2, etc.)  Recommended is the DIN-AP2 because it has a similar mounting configuration Control Processor41
  • 42. Crestron DALI Solutions: Equipment DIN-PWS50: Power Supply  The DIN-DALI-2 interface requires a power supply for the Cresnet Devices that are on their own, independent bus  50W can be supplied through one power supply to connect: - Keypads - Occupancy Sensors - Photo Sensors - Touchpanels - Shade Controllers - & other Cresnet Devices Power Supply42
  • 43. DALI Solutions: Example System LAN Ethernet DALI loop 1 DALI ballast DALI ballast ... DALI ballast DALI loop 2 POWER SUPPLY DALI ballast DALI ballast ... DALI ballast Daylight Occupancy 120-230VAC Harvesting Sensors Viridian Security Server Microsoft PROCESSOR INTERFACE Keypads/ System (Energy Outlook HVAC Other touchpanels sensor sensor Server Mgmt) Server Server Servers DIN- DIN-AP2 DIN-DALI-2 PWS50 GLS-SIM GLS-SIM Cresnet Cresnet Cresnet USB or Ethernet PC running commissioning software43
  • 44. Crestron GLB-DALI Ballast Features Programmed start Standby power of <0.3w Automatic restart after lamp replacement Automatic identification and operation of several wattage lamp types Universal voltage support (120-277 VAC) Flicker-free dimming from 1% to 100% High power factor of .99
  • 45. Crestron GLB-DALI Ballast Features Short circuit protection Open circuit safety feature Energy efficiency class EE1=A1 Lamps operated above 40k Hz to avoid interference with infrared devices and reduce lamp flicker Lamp crest factor of 1.7 or less NEMA premium Works with any standard DALI controller
  • 46. Crestron GLB-DALI Ballast Features Coverage » T8, T5 and T5HO Ballasts » 1, 2 & 3 Lamp Multi Power-Multi Lamp in one SKU » Three ballast run multiple lamp wattages » 16 SKU’s covers more applications than the 74 SKU’s of Competitors Lowest Standby Power Consumption (<.03W) In industry. » Competition = .5W Only built in Power Metering in the industry High Ballast Factor of 1.15 or above
  • 47. More Crestron GLB-DALI Ballast Product Details Digital Addressable Lighting Interface (DALI) The DALI (Digital Addressable Lighting Interface) standard allows multiple ballasts to be daisy chained using low-voltage wiring for power on/off and dimming control. Up to 64 ballasts can exist on a single DALI channel, each operating independently. DALI lighting is optimal for applications that require granular control of each fixture, such as open office floor plans and daylight harvesting in classrooms. Build-in Power Metering Optional power metering tracks real time energy usage of each load, thereby delivering statistics to help control energy costs. By analyzing real data, organizations can make educated decisions regarding energy resources, which will have greater impact on the bottom line. Protection GLB-DALI ballasts feature End-of-Life Protection, are short and open circuit proof and have an auto shutdown feature in case of lamp failure. GLB-DALI ballasts are feature protected shut down against main input lower than 80 Volts AC and auto recovery starting from 95 Volts AC. GLB-DALI ballasts also feature warm start in every dimming position and overload protection.
  • 48. Crestron DALI Configuration Software Designed specifically for the DIN-DALI-2, the Crestron DALI commissioning software tool simplifies and expedites system setup » The intuitive menu-driven wizard provides step-by-step configuration of ballast properties, groups, and scenes » Simply set the ballast address and check connectivity status, edit minimum/maximum levels and fade time, and change ballast groupings and scenes » Makes ballast replacement straightforward through automatic identification of new hardware IDs. » Settings from old ballasts are transferred to replacements with just a few mouse clicks, saving time and eliminating guess work and frustration
  • 49. Crestron DALI Configuration Software
  • 50. Crestron DALI Configuration Software
  • 51. Crestron DALI Configuration Software
  • 52. Crestron DALI Configuration Software
  • 53. Crestron DALI Configuration Software
  • 54. Crestron DALI Configuration Software
  • 55. Crestron DALI Configuration Software
  • 56. Crestron DALI Configuration Software
  • 57. Crestron DALI Configuration Software
  • 58. Crestron DALI Configuration Software
  • 59. Crestron DALI Configuration Software
  • 60. Crestron DALI Configuration Software
  • 61. Crestron DALI Configuration Software
  • 62. Crestron DALI Configuration Software
  • 63. Crestron DALI Configuration Software
  • 64. Crestron DALI Configuration Software
  • 65. Facility Management with Crestron Fusion EM™ Track real-time energy usage View historical energy consumption for day, week, month or year Control lighting levels, shades, and climate in real time Define pre-meeting temperature set points, lighting and shade levels Change settings for occupied and unoccupied states Adjust demand response rules for lighting and HVAC Schedule end-of-day shutdown At-a-glance view of room status for entire facility Server-based scalable redundant architecture with load balancing
  • 66. The Value of Green Managing building energy efficiency is key to cost savings and return on investment Managing equipment power extends equipment lifecycle and saves on energy Knowing when and how rooms are utilized helps improve climate efficiency and plan for future growth
  • 67. Fusion EM™ – The Basics Built on the Fusion distributed architecture » > 9,000 installed worldwide Upgrades directly from RoomView Server Edition 7.2 or Fusion 8.1 Fusion EM user interface includes » Feedback & Control – Manage lights, shades, HVAC » Automation – Create events for lights and shades » Energy Monitoring – View real-time and historical energy
  • 68. Monitor and Control – Summary View • High level overview • View summary of lights, shades, occupancy , temperature • Change lighting scenes or shade presets • Sort rooms by column status
  • 69. Monitor and Control – Room Detail View • View status of lights, shades, occupancy , temperature • Open e-Control remote interface • Change lighting scenes or shade presets •Create automation events • Change lighting levels of individual loads • Track energy usage
  • 70. Room Automation • Setup rules for occupancy and meetings • Create time clock events for time-of-day or sunrise/sunset • Automatically set room environment for lights, shades, HVAC • Rooms inherit node level events
  • 71. Monitoring Energy • View real-time energy consumption • Track historical usage over time: day, week, month, year • Compare to previous time periods • View by energy or cost
  • 72. Licensing Fusion RV and Fusion EM are licensed separately Unlicensed evaluation mode provides full access to both Fusion RV and Fusion EM License either client or both When one client is licensed, the other is disabled until it is licensed separately
  • 73. Designing Control Systems Lighting Plan for Typical Office Lighting Plan for Conference Room
  • 74. Lighting Plan for Open Office » CEC Title 24: mandatory • Two level or dimming • Occupancy / Auto Off • Daylight Harvest • Time-of-Day off with timed manual override » Adjust for individual comfort » Weekend function » Security function » Power reduction
  • 75. STEP 1:Design fixture layout or retrofit existing fixtures with DALI compatible ballast.
  • 76. STEP 2:Layout DALI network (2 wires) to each fixture independent of circuit wiring. Each DALI loop cansupport up to 64 ballast. Loop wires can be located in same conduit with power wiring
  • 77. STEP 3:Design controls into space and determine easiest connection to controls. Identify placement ofbus power supply and optional network interface.
  • 78. STEP 4:Address DALI ballasts. Determine fixture groupings and map control devices to fixtures. Eachballast can be assigned to multiple groups (16 max).
  • 79. Private Office Solution
  • 80. Network System Configuration
  • 81. Lighting Plan for Conference Room Multiple luminaries for multiple functions Multiple preset scenes Manual controls
  • 82. Conference Room Lighting Plan
  • 83. Classroom Lighting Plan
  • 84. Potential Commissioning Agents Any of these parties can be the DALI Commissioning Agent » DALI Ballast Manufacturer » DALI Controller Manufacturer » Luminaire Manufacturer » Architect » Lighting Designer » Electrical Engineer » Electrician » Manufacturer’s Representative » Programmer » Systems Integrator » Commissioner Confusion and conflict are potentials if one party is not selected and chartered with DALI commissioning Crestron takes full responsibility for commissioning of our controls systems and ballasts
  • 85. Commissioning: DALI Product Manufacturer » Test product prior to shipment Luminaire Manufacturer » Test assembly prior to shipment » Could preprogram addresses, groups, scenes Electrician » Require high quality splices and terminations » Document power wiring and control wiring » Verify power wiring and lamping » Verify DALI loop – broadcast raise/lower, count ballast quantity
  • 86. Commissioning: (Cont’d) Lighting Designer / Electrical Engineer » Determine preset levels for scenes Crestron Programmer » Assign and document groups » Assign and document scenes Systems Integrator » Combine with IT or AV
  • 87. Commissioning: (Cont’d) Commissioner – Crestron Control System Field Engineer » Two people with walkie-talkies » Document groupings - Critical » Flash addressed ballast until that ballast is found » Cycle through addresses to find ballast address » Document ballast addresses on lighting plans – Critical Crestron takes “systems responsibility” for all supplied elements of the Crestron system » 3rd party ballast commissioning available for additional fee
  • 88. DALI vs. Proprietary Digital Bus The market is confused and searching for a solution One group wants a single vendor solution for security and guaranteed compatibility » Most single vendor solutions lock a project into a proprietary solution with higher price and limited options Another group wants an open/standard solution for competitive pricing and broader options » Many open solutions have compatibility challenges and open the project to finger pointing
  • 89. Crestron DALI Solution Single Vendor = Single Point of Responsibility and Response » Crestron supplies Ballasts, Controls, Sensors and Systems beyond DALI » Crestron takes full responsibility for start-up and commissioning of the entire Crestron system » Designer and Contractor are secure because there is “one throat to choke” Open Standard = Competitive Pricing and Broader Choices » True DALI solution – member of DALI and fully compliant » Competitive to every other DALI manufacturer – No single source cost premium » If the application requires components beyond those supplied by Crestron, the world of DALI is open to the design
  • 90. It’s about the ability to deliver a solution
  • 91. Crestron DALI Lighting Controls Systems