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The ACO CDN-U Signal Module with automatic door opening function is a specialized component designed for ACO CDN digital intercom systems. It enables automatic door release upon receiving a valid signal, enhancing accessibility and convenience in residential and commercial buildings.

Advantages

This module simplifies door control by integrating seamlessly with the CDN bus, eliminating the need for separate power supplies. Its DIN rail mount design ensures easy installation in standard distribution boards, saving space and reducing wiring complexity.

Suitable for

• Access control systems requiring automatic door opening
• ACO CDN digital intercom installations
• Retrofit projects where additional relay outputs are needed

Key specifications

• Module Type: Signal Module
• Primary Function: Automatic Door Opening
• System Compatibility: ACO CDN Digital Intercom Systems
• Installation Type: DIN Rail Mount
• DIN Module Width: 4 DIN Modules
• Power Supply: Powered from CDN Bus
• Output Type: 1 x Relay (NO/NC contacts)
• Relay Contact Rating: Max. 1A / 30V DC
• Bus Interface: ACO CDN Digital Bus
• Operating Temperature: -20°C to +50°C
• Housing Material: ABS Plastic
• Color: Light Grey / White
• Current Consumption: Approx. 30 mA (from bus)
• Connectivity: Screw Terminals
• Protection Rating: IP20

Recommendations

For optimal performance, configure the module using the ACO CDN system programmer. Ensure the bus is properly terminated and the relay load does not exceed 1A at 30V DC.