The ABB JRA/S 2.230.2.1 provides a robust solution for controlling two independent 230V AC blind or shutter drives. Specifically, this 2-fold actuator allows for precise curtain and slat positioning through the ABB i-bus® KNX system. Because it includes physical manual buttons on the front panel, users can operate the connected blinds directly even without bus voltage.
Superior Shutter Control with the ABB JRA/S 2.230.2.1 KNX Actuator
The ABB JRA/S 2.230.2.1 (2CDG110121R0011) empowers modern smart buildings with efficient sun protection management. Primarily, this modular installation device controls two separate 230V AC motors. Consequently, it enhances both energy efficiency and user comfort by automating natural light entry.
Key Features and Functional Benefits:
Tactile Manual Operation: The front of the device features dedicated pushbuttons for each channel. Furthermore, these buttons enable manual control of the blinds during the commissioning phase. As a result, installers can test the wiring and motor limits before the final KNX programming.
Safety and Interlock Logic: The actuator manages two independent outputs with built-in electrical interlocking. In addition, this safety feature prevents the simultaneous activation of UP and DOWN commands. Therefore, the device protects the motors from mechanical stress and electrical faults.
Precise Positioning Commands:Moreover, the JRA/S 2.230.2.1 calculates the exact position of the shutter and the slat angle. Specifically, it uses travel time parameters to ensure the curtain reaches the desired height every time. At the same time, status LEDs provide clear visual feedback on the current movement.
Dynamic Weather Protection:Additionally, the system integrates seamlessly with KNX weather stations. Consequently, the actuator automatically moves the blinds to a safe position during high winds or rain. Finally, this proactive automation prevents expensive damage to external sun protection systems.
Optimized Energy Savings: The KNX bus powers the internal electronics of the unit. Moreover, the actuator reduces building cooling costs by tilting slats to block direct sunlight. Accordingly, this device plays a vital role in achieving green building certifications.
Technical Specifications Summary:
Mounting: DIN-rail (MDRC), 4 modular units (70 mm).
Rated Voltage: 230 V AC for motor outputs.
Channels: 2 independent outputs (6 A each).
Compatibility: Works with all standard 230V AC shutter and blind motors.
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