For lighting designers and MEP engineers, the wrong control architecture can lock in avoidable cabling, commissioning, integration, and maintenance constraints. The decision is how the protocol fits the DC 24/48V power architecture, BMS interface, and service plan.

DALI-2 is a standardized wired protocol based on IEC 62386; Casambi uses Bluetooth Low Energy mesh networking and app-based commissioning. Either can work with centralized or distributed drivers when all components and topology are compatible.

This guide compares DALI-2, Casambi, and hybrid designs for EU and Middle East projects. Verify model capabilities, certification, and local requirements before specification.

At a Glance: DALI-2 vs Casambi

Choose DALI-2 for accessible control routes, structured addressing, repeatable commissioning, or centralized BMS integration.

Choose Casambi where retrofit disruption, control-cabling access, or app-based user control drives the brief.

Consider hybrid control where base-building and tenant or residential zones need different workflows.

Design boundary: Control and DC 24/48V distribution are separate decisions; verify voltage drop, protection, loading, dimming, and gateways.

Specify measurable dimming, flicker, telemetry, gateway, interface, and certification criteria.

1. The Smart Lighting Control Dilemma: Wired Reliability vs Wireless Flexibility

Commercial and high-end residential specifications commonly combine scene control, occupancy or daylight response, BMS integration, and user-facing controls.

• Tunable White where the application and selected driver support the specified CCT range
• Scene programming for spaces with multiple operating modes
• Occupancy and daylight response where required by the energy strategy
• BMS integration through a compatible controller or gateway
• App-based control where user roles and access policies justify it

The protocol shapes the cabling, commissioning, integration, and maintenance workflow.

DALI-2 often suits structured new-build zones; Casambi often suits areas where new control cabling is constrained. Hybrid designs require explicit interface ownership, command priority, commissioning records, and system boundaries before tender.

2. DALI-2 Deep Dive: The Wired Standard for Centralized Commercial Control

Protocol Architecture

DALI-2 uses a two-wire, polarity-free bus at 1200 bit/s for bidirectional commands and queries. Certification is product-specific. DALI Alliance Quick Start Guide

Key specification characteristics:

• Topology: Line, star, tree, or mixed; no closed-loop/ring topology
• Wiring: Two adjacent conductors; 1.5 mm² and 300 m are common maximum-load guidance, subject to cable calculations
• Bus power: Combined maximum supply current must not exceed 250 mA
• Addressing: Up to 64 control gear and 64 control devices per subnet; 16 control-gear groups and scenes
• Bidirectional data: Basic status queries are available; energy, operating-time, temperature, and detailed diagnostics require driver support for the relevant optional DALI Data Parts or D4i DALI Data Parts 251-253
• Certification: Verify each claimed DALI-2 component in the DALI Alliance Product Database; certification improves cross-vendor interoperability but does not remove all system-integration dependencies DALI-2 Product Database

DALI Emergency Lighting: Model-Specific Integration

Emergency-lighting performance, testing, records, and responsibilities depend on applicable requirements and the complete selected system. IEC 62386-202 defines DALI control gear for self-contained emergency lighting. DALI Emergency overview

• Testing: Compatible DT1 equipment can automate function and duration tests
• Records: Status and test records depend on the selected emergency gear and control platform

Validate DT1 equipment, records, inspection responsibilities, EN 50172:2024, and local requirements as one complete emergency-lighting strategy.

DALI-2 with a DC 24/48V Centralized Power Architecture

In a centralized low-voltage architecture, accessible conversion and control equipment feeds compatible DC 24/48V luminaires or LED modules. DALI-2 can provide the control layer, but voltage drop, protection, cable length, load diversity, and channel isolation remain separate electrical-design tasks.

• Application fit: Most practical where service access and cable routes are planned early

Specification note: Confirm the selected voltage, load, dimming profile, flicker metrics, operating temperature, channel count, control interface, and certification evidence against the final model documentation. Related product category: ANOVA LED Driver Range

3. Casambi Deep Dive: Bluetooth Mesh for Flexible, Retrofit-Ready Control

Protocol Architecture

Casambi uses Bluetooth Low Energy mesh networking with distributed intelligence and app-based commissioning. Performance depends on spacing, materials, RF conditions, network mode, traffic, firmware, and commissioning. Casambi System Overview

Key specification characteristics:

• Topology: Distributed wireless mesh; power or DC distribution wiring is still required
• Range: Establish device spacing through an RF survey and product guidance
• Scalability: Up to 127 devices in a Classic network or 250 devices in an Evolution network; larger installations use multiple networks organized as a Site Casambi network limits
• Commissioning: App-based setup on compatible iOS or Android devices
• User interface: App-based grouping, scenes, timers, access levels, and supported sensors
• Cloud/BMS integration: Gateway-, service-, and architecture-dependent

Casambi Strengths in Specific Project Contexts

Casambi is often evaluated for retrofits, heritage buildings, dispersed residential buildings, and phased fit-outs because control-bus cabling can be reduced. Power wiring, RF coverage, network segmentation, and commissioning records still require design and verification.

Casambi Limitations to Acknowledge

• Emergency interfaces using compatible Casambi or DALI-Casambi equipment require project-specific validation of reporting, command priority, and local acceptance. Casambi DALI emergency mode
• Large-scale performance: Validate scene timing, RF conditions, segmentation, traffic, and failure modes
• Hardware: Confirm driver location, channel count, control profile, gateway, and DC topology

Specification note: Tunable White, RGBW, PWM frequency, minimum dimming level, temperature rating, Casambi profile, firmware, and gateway compatibility must be confirmed for the selected model. Related product category: ANOVA LED Module Range

4. Head-to-Head Comparison: DALI-2 vs Casambi for Centralized Driver Projects

Related technical resource: Low-Voltage Indoor Lighting Systems

Need a model-by-model check before tender? Request a compatibility matrix covering control profiles, gateways, dimming criteria, and DC 24/48V interfaces.

5. Total Cost of Ownership: Dubai Residential Development Cost Model

This 2026 Dubai cost model uses the first draft's representative scope of 30 villas and 600 controlled fixtures. Values cover control hardware, inter-building control cabling, commissioning, and five-year maintenance; power distribution, tax, and local price changes require separate pricing.

2026 Dubai Residential Development Cost Model

In this model, Casambi removes EUR 35,000 of inter-building control cabling and reduces the modeled five-year control subtotal from EUR 69,000 to EUR 26,000 (about 62%). These are scenario outputs, not universal savings; power wiring remains required.

For comparable bids, issue identical fixture schedules, routes, zoning, gateways, commissioning, service, spares, and replacement assumptions.

6. ANOVA Modular and DC 24/48V Centralized Lighting Options

ANOVA focuses on modular LED engines and DC 24/48V centralized low-voltage lighting components for commercial and residential general-lighting projects. DALI or Casambi can be evaluated as the control layer when the selected driver, controller, module, gateway, cable design, and software profile are mutually compatible.

DC 24/48V architecture: Accessible equipment locations with engineered voltage drop, protection, loading, and fault isolation

Control categories: Non-dimmable, 0-10V, phase-cut, DALI, and Casambi options; verify each selected model

Modular LED engines: The 24V module range includes replaceable optical and smart-control pathways for project-specific luminaire development. View the DC 24V RGBW MR16 module

DALI and Casambi Control Options

For specification, confirm voltage, load, dimming performance, operating temperature, control profile, gateway compatibility, and model documentation.

7. Specification Checklist: DALI-2 vs Casambi Project Planning

Pre-Design Phase

• Operating zones: New build, retrofit, landlord, tenant, guestroom, and public areas defined
• System boundaries: Applicable requirements, interfaces, and responsible parties defined
• BMS interface: Protocol, points list, command priority, and offline behavior defined
• Distribution: Fixture count, routes, DC voltage drop, protection, and service access checked

DALI-2 System Design

• Bus design: Address capacity, segmentation, power supply, cable, and expansion allowance checked
• Certification: Claimed DALI-2 components checked in the product database
• Gateway: Interface, points, failure behavior, and commissioning ownership documented

Casambi System Design

• Network design: Classic/Evolution limit, RF survey, segmentation, and capacity checked
• Gateway/service: Locations, remote access, API/BMS scope, and subscription assumptions checked
• Access: Administrator, facility, and end-user permissions defined
• Lifecycle: Firmware ownership, updates, rollback, spares, and replacement process defined

Commissioning & Handover

• As-built records: Address map or network topology, gateways, profiles, and firmware exported
• Functional tests: Scenes, sensors, interfaces, offline behavior, and access roles verified
• Handover: Required system records, acceptance results, and outstanding actions issued

8. Frequently Asked Questions

Can DALI-2 and Casambi both work with DC 24/48V centralized lighting?

Yes—when the controller, driver, module, gateway, cabling, and dimming method are compatible. Treat control and DC power as separate engineering layers.

How many devices can one Casambi network contain?

Classic supports up to 127 devices; Evolution supports up to 250. Larger sites use multiple networks organized as a Site.

Does an EU commercial building have to use DALI-2 for emergency lighting?

No. Projects must meet applicable performance, testing, documentation, product, and national requirements; DALI DT1 is one implementation route.

Does every DALI-2 driver provide energy and temperature data?

No. Detailed data requires the relevant optional DALI Data Parts; D4i includes defined data requirements.

What information is needed for a reliable 15-year TCO comparison?

Use the approved BOM, cable routes, labor, commissioning, gateways/services, energy, spares, replacements, firmware support, and recommissioning costs.

Can DALI-2 and Casambi be integrated into the same BMS platform?

Yes. Use compatible gateways or application controllers, then define points, command priority, offline behavior, data ownership, and commissioning responsibility. Casambi BMS integration options

What cybersecurity considerations apply to Casambi networks in commercial buildings?

Casambi documents encrypted communications. Projects should also define administrator access, gateway isolation, remote-access policy, firmware ownership, and incident recovery with the IT/security team. Casambi System Security whitepaper

Request a Smart Lighting Control Consultation

Send the schedule, plans, zoning, control narrative, market, and interfaces for model-specific review.

• A zone-by-zone DALI-2, Casambi, or hybrid comparison
• A preliminary control and DC 24/48V distribution concept
• A preliminary network-segmentation and gateway concept
• A model-specific compatibility matrix

Submit Your Project Brief

Or send your project brief to: sales@anova-lighting.com

Specification notice: Capabilities, ratings, certification, and protocol profiles vary. Confirm final model documentation and regional requirements.

Internal ANOVA resources: Low-Voltage Indoor Lighting Systems | ANOVA LED Driver Range | ANOVA LED Module Range | DC 24V RGBW MR16 Module

Official External References

DALI Alliance Quick Start Guide

DALI-2 Product Database

DALI Data Parts 251-253

DALI Emergency Overview

Casambi System Overview

Casambi Network Limits

Casambi DALI Gateway

Casambi BMS Integration

Casambi System Security