osram MCU SELECT DALI-2 EXC TW Manuelles Steuergerät – DALI-2 manual control unit

The osram MCU SELECT DALI-2 EXC TW Manuelles Steuergerät is a manual control unit intended for local operation of DALI-2 lighting systems. It provides direct, on-site control over DALI-2 compatible luminaires and drivers, enabling basic scene selection, color temperature adjustment and straightforward manual operation without the need for a central control server. The unit is suitable for installers and facility managers who require a compact, manually operated interface to complement automated building lighting controls.

Advantages

This DALI-2 manual control unit offers reliable compatibility with the DALI-2 protocol and a compact design for convenient mounting and wiring. It enables local adjustment of light scenes and tunable white settings, reducing the need to access centralized control systems for routine changes. The device simplifies commissioning and maintenance by providing immediate manual override and intuitive control for on-site personnel.

Suitable for

• Local scene selection in commercial and public buildings
• On-site color temperature (tunable white) adjustments
• Commissioning and maintenance tasks for DALI-2 installations
• Small installations or zones requiring manual override

Key specifications

• Protocol compatibility: DALI-2
• Control functions: manual scene selection, tunable white adjustment, manual override
• Installation type: wall- or panel-mounted control unit for local operation
• Interface: DALI control line connectivity for direct integration with DALI-2 drivers and luminaires
• Physical characteristics: compact form factor for straightforward mounting and wiring

How to use

Install the control unit according to local electrical regulations and connect it to the building's DALI-2 bus following the manufacturer's wiring guidelines. Use the unit's controls to select predefined scenes or to adjust color temperature for connected tunable white luminaires. During commissioning, verify connectivity to DALI-2 drivers and confirm that manual commands produce the expected behavior before handing over to end users.

Recommendations

Place the manual control unit within easy reach of maintenance staff or users who require frequent access. For reliable operation, ensure correct DALI-2 bus termination and adhere to cable length and wiring best practices. Use the unit in conjunction with centralized control systems when combined automatic and manual control is needed.