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Interlock Control System

12–24V DC
Supports Up to 2 Doors
Expandable to 50 Doors
SMA-D051

The Interlock System provides a flexible access control solution for facilities requiring interlocks for 2 to 50 doors. Its modular design allows you to start small and expand as needed, making it ideal for applications ranging from simple single-door setups to complex multi-door security environments.

• Scalable Design – Supports up to 50 doors (2 doors per controller, up to 25 controllers).
• Simple Installation – Streamlined wiring with detachable connectors for easy installation and servicing.
• Flexible Configuration – Configure via DIP switches for smaller setups or use free Windows software for advanced system programming.
• Centralised Management – Make updates and changes using a single laptop connection to any controller in the network.
• Future-Proof Expansion – Add controllers anytime without major reconfiguration.
• DIP Switches – Quickly Configure the Most Common Functions Without Software.
• Software Programming – Use the Free Windows-Based Tool for Full System Control, Advanced Features, and Firmware Updates.
• Easy Updates – Update Settings Directly on the Device or Remotely via the Network.

KEY FEATURES
• 2 Relay Changeover Contacts (max. 2.5A) for Electrical Locks.
• 2 Programmable Relay Outputs for Additional Signalling.
• 1 Fire Alarm Contact Connection.
• 4 Access Display Connections with 2 LEDs Each.
• 4 Inputs for Push Buttons.
• 3 Connections for Manual Call Points.
• 6 Programmable Inputs for Detectors, Door Position Sensors, and More.
• 2 RJ45 Communication Bus Ports for Connecting Multiple Controllers.
• 1 USB-C Port for Programming and Updates.
• Power Inputs (12–24V DC) for the Controller and Locks.
• 2 Power Outputs for Accessories.
• Multiple Status LEDs to Clearly Show Whether Inputs and Outputs are Active or Inactive.
• Supports Multiple Languages (English, French, and Dutch).