SURVEY PURPOSE

This survey is seeking a better understanding about barriers to digital technologies that are used to control luminaires in a lighting control system. While some of these technologies can be used to enable features beyond lighting controls, we are not focused on non-lighting components.

Responses are strictly confidential and will not be shared or associated with identifiable information at any time.

DEFINITIONS
For the purposes of this survey:  
  • "DIGITAL" is meant to include digital communication enabled by digital drivers/nodes*, and sensors. Examples of industry standard protocols may include: DALI D4i, ANSI C137.4, DALI 2/DT6/DT8, DALI 1, DMX512, POE.
  • "ANALOG" is meant to include analog control enabled by analog drivers and sensors, most frequently 0-10v or 1-10v. Examples of industry standard open protocols may include: ANSI C137.1, ANSI E1.3, C82.11-Annex A/ IEC 60929.
*NOTE: References to digital drivers below are intended to include POE nodes. The word "node" is not repeated each time, for brevity. 

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* 1. What is your role in the buildings industry?

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* 2. Who does the controls design and specification for your projects or sales? (Rank order your answers to show the most common at the top of the list, and least common at the bottom. Check N/A if the option never applies to your project types.)

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* 3. In your experience, how often do you see digital technologies on the following types of projects? (Select N/A if the project types do not apply to you.)

  Choose One
New construction
Major renovation (existing building, but similar to new construction process)
Tenant space fitout (short-term lighting changes to existing space, amortized across lease)
Retrofit (upgrades to existing luminaires or controls)

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* 4. When DIGITAL drivers are chosen over analog drivers in luminaires, indicate whether you agree or disagree as to the reasons why:

  Choose one
Enablement of wireless sensors and controls
Size of project makes digital similar to, or more cost effective, than analog
Driver level control options such as: layered zoning, speed and repeatability of configuration, remote maintenance.
Digital experience of the design team, manufacturer's rep, distributor or integrator
Owner-driven requirements such as:  integration with other building systems (e.g., HVAC, shading), IOT use cases, energy savings
Color requirements (Color consistancy for tunable white (DALI DT6 / DT8) or color changing (DMX512)

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* 5. When ANALOG drivers are chosen over digital drivers in luminaires, indicate whether you agree or disagree as to the reasons why:

  Choose one
Analog drivers are less costly than digital drivers
Analog drivers are less complex and easier to understand than digital drivers
Installers have less experience with digital drivers/nodes and controls.
Less lead time to procure analog drivers than digital drivers
Owner or specifier required the use of analog drivers

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* 6. Indicate your agreement or disagreement with the following:

  Choose one
0-10v drivers are OK with me because I’m familiar with them.
I would prefer digital technology for my projects or sales if there was no cost difference.
The biggest problem is not analog vs. digital drivers, it's that the digital control systems are so different.
I am an advocate for digital systems and will do my best to make it happen on my projects or sales.
The difference between analog and digital is not a big deal to me, as long as it’s clear in the spec.
Understanding digital lighting technology is a competitive opportunity for me.

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* 7. Digital equipment may cost more. Have you observed other types of potential cost savings on your projects or sales when using digital systems, and/or have you observed an economy of scale where digital equipment costs are reduced?

  Choose One
Large volume of digital components reduces digital equipment costs
Speed of startup and configuration is improved using global/central control commands
Wireless sensors and/or controls result in savings due to reduction in wiring and/or installation
On the scale of a whole project, overall installed digital solution costs less
Post-installations Energy Measurement and Verification for code compliance, rebates, and/or energy-financed projects due to driver level remote data
Post-installation fault diagnostics notifications reduce the costs of service/maintenance

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* 8. Considering all of your projects or sales collectively with luminaires that are controllable, what is the ratio of digital VS. analog drivers are used? 

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* 9. When using DIGITAL drivers and controls, how often are the following factors a concern for you?

  Choose one
Lead time/supply chain for digital components
Fewer digital product choices
Complexity or learning curve during design process
Complexity or learning curve during installation and startup/configuration
Post-installation commissioning and/or maintenance support
Overall installed cost

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* 10. When using 0-10v/1-10v drivers, how often are the following factors a concern for you?

  Choose one
No standard dimming curves
Different behaviors between max voltages
Difference between Current Sink and Current Source
Inability to integrate with other building systems
Post-installation commissioning and/or maintenance support
Overall installed cost

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* 11. Considering all of your projects or sales collectively with luminaire types that are being controlled with DIGITAL drivers, rank the options below from most common to least. NOTE:  If you don't know the difference between the options, put that choice at the top of the list.

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* 12. Considering all of your projects or sales collectively with luminaire types that are being controlled with ANALOG drivers, rank the options below from most common to least. NOTE: If you don't know the difference between the options, put that choice at the top of the list.

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* 13. Please rank the importance of the following options to increase adoption of digital lighting technology in North America.

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