Manufacturer Spotlight: Dortronics Systems Inc.

Dortronics new 4800 PLC interlock controller is a cost effective method for operating door interlock and mantrap systems of up to five doors.

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The fully integrated controller is a one board field selectable solution that allows the installer complete control of all operating and configuration options without complex software.

The 4800 is suitable for Clean room air locks, Security mantraps, Door Interlocks or Sally ports with up to five normally locked or unlocked doors.   This controller may be customized to control automatic door openers and provide custom timing and logic sequences for biological wash-down controls. Other configurations provide outputs for traffic lights, forced door alarms and an emergency panic release input.

Any access control system can be used with the 4800 series controllers.  The request for access input recognizes any normally open dry contact. Each door has a normally open dry contact output to mirror door status back to an access control panel or remote console.

Only designated doors may be unlocked or open at any time.  Unlocking or opening one door automatically secures other designated doors within the Interlock.  A request for access at any normally locked door will inhibit the REX inputs for all other locked doors and secure all designated unlocked doors in the area.

The 48501 series PLC controller is paired with a heavy duty 4-amp power supply that includes a Fire Alarm connection for emergency egress and can provide power to operate maglocks, electric strikes and traffic lights. The controller is also available board only without the power supply & enclosure for connection to an existing 12-24VDC power source. Din mount clips are attached for easy installation onto Din rail.

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