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Door interlocking In Access Control

Everything You Need to Know About This Access Control Feature.

What is
Inter-locking?

A door interlocking system is a security mechanism designed to control access to a particular area by regulating the opening and closing of doors in a specific sequence. This system is commonly used in environments where controlled access is crucial, such as in industrial facilities, clean rooms, research labs, or high-security areas.

How a door interlocking system works?

Configuration:

  • The facility is divided into different zones or areas, each with its own set of doors.

  • Doors within a zone are interlocked to ensure that only one door can be open at any given time.

Door Interlocking Logic:

  • The system is programmed with logic that determines the interlocking sequence. For example, Door A must close before Door B can open.

  • The logic may be based on keycard access, biometric verification, PIN entry, or other authentication methods.

Access Control Devices:

  • Each door is equipped with access control devices, such as card readers, fingerprint scanners, or keypads.

  • Users must authenticate themselves at each door they wish to pass through.

Interlock Controller:

  • An interlock controller manages the overall system and ensures that doors follow the prescribed sequence.

  • It monitors the status of each door and controls the locking and unlocking mechanisms.

Sequence Enforcement:

  • When a user presents valid credentials at Door A, the system verifies the authentication and unlocks Door A.

  • Simultaneously, the system locks Door B to prevent unauthorized access to the next zone until Door A is closed.

  • Once the person passes through Door A, it automatically closes and locks, allowing Door B to unlock for the next authorized person.

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