HD67941-B2 DALI to MQTT Converter – secure integration for smart lighting and IoT

Industrial DALI to MQTT converter, housing type B (wide), DIN rail mount.

The HD67941-B2 is a professional industrial gateway designed to integrate DALI lighting systems with MQTT IoT platforms. It provides reliable bidirectional communication, allowing lighting control and monitoring data to be published and retrieved in real time. Thanks to its compatibility with all major MQTT servers, it ensures flexibility and scalability in modern building automation projects. The device is enclosed in a robust type B wide housing, optimized for DIN rail mounting, which guarantees secure installation inside electrical cabinets. Its compact size and lightweight structure make it suitable even for installations with limited space. Furthermore, the HD67941-B2 supports TLS/SSL encryption, ensuring that data transfer between DALI and MQTT remains secure in mission-critical environments. With industrial-grade components and a wide operating temperature range of -40°C to +85°C, the gateway is designed for durability. This makes it a solid and future-proof solution for IoT-enabled smart lighting and automation projects.

Using the HD67941-B2, facility managers and system integrators can gain real-time visibility into lighting infrastructure, enabling energy savings, predictive maintenance, and system optimization. By connecting DALI networks to MQTT, operators can remotely monitor lamp status, detect failures early, and execute centralized energy strategies. This makes the device highly beneficial in large commercial buildings, warehouses, public institutions, and industrial facilities. The converter works seamlessly with cloud-based IoT dashboards and SCADA systems, offering analytics and predictive control possibilities. Thanks to support for multiple MQTT brokers, users can integrate the device into both local and global IoT infrastructures. The included free SW67941 configuration software significantly simplifies setup, reducing commissioning time. Ethernet connectivity with 10/100 Base-T autosensing ensures stable data exchange, while the DALI 2-way terminal block provides robust field connections. Overall, the gateway bridges the gap between traditional lighting systems and IoT-based management platforms.

In addition to its core communication functions, the HD67941-B2 is designed to enhance system reliability and adaptability. The converter can be powered with both 8–24VAC and 12–35VDC, making it flexible for different project requirements. Its compact 60x36x95 mm size and lightweight body (approx. 200 g) make installation quick and practical. Thanks to its DIN rail mounting, the device integrates smoothly into existing control panels. With long-term stability and rugged design, it is highly suitable for both indoor and outdoor automation scenarios. The use of secure communication protocols protects against cyber threats and unauthorized access, ensuring safe integration within critical infrastructure. Its ability to support advanced IoT functions positions it as a key component in Industry 4.0 and smart building projects. With a 24-month manufacturer’s warranty, the HD67941-B2 provides peace of mind to system integrators and end-users. This guarantees that the investment in technology is both reliable and sustainable over time.

Key Features

• Seamless connection between DALI lighting devices and MQTT-based IoT servers.
• Secure communication with TLS/SSL encryption for industrial-grade cybersecurity.
• Wide operating temperature range: -40°C to +85°C, suitable for harsh environments.
• Compact DIN rail housing type B for easy installation in automation panels.
• Free configuration software SW67941 for fast and intuitive setup.
• Reliable dual power supply options: 8…24VAC or 12…35VDC.

Applications

The HD67941-B2 is widely used in smart buildings, industrial plants, warehouses, and public facilities, where integration of DALI lighting with IoT or BMS platforms is required. Typical applications include:

• Remote monitoring and diagnostics of lighting systems.
• Centralized energy efficiency management and consumption optimization.
• Integration with SCADA systems or cloud-based IoT dashboards for analytics.
• Secure communication for mission-critical industrial environments.

Specifications

• Ports: 1x Ethernet, 1x DALI
• Ethernet protocol: MQTT
• DALI protocol: DALI
• Data Rates DALI: 1200 bps
• Data Rates MQTT: 10/100 Base-T with autosensing
• DALI connector: 2-way 5 mm terminal block
• MQTT connector: RJ45
• Power supply: 8...24VAC / 12...35VDC
• Power supply connector: 2-way 5 mm terminal block
• Operating temperature: -40°C to +85°C (-40°F to +185°F)
• Dimensions: 60 mm x 36 mm x 95 mm (DxWxH)
• Weight: approx. 200 g
• Mechanical fixing: DIN Rail mount
• Software: SW67941
• Order Code: HD67941-B2

Configurator – Software SW67941

Configuration is simplified with the dedicated SW67941 software, available as a FREE DOWNLOAD. This free tool ensures quick setup, reducing integration time and simplifying commissioning.

Manufacturer's warranty: 24 months