Resources

Interlock Logic

L1 logic diagram for basic door interlock operation sequence.

L1 Logic (also known as “Room Logic”)

L2 logic diagram showing advanced door interlocking configuration.

L2 Logic (also known as “3+1 Logic”)

L3 logic diagram for complex multi-door interlock systems.

L3 Logic (also known as “Multiple-step Airlock”)

Product Animations

Door interlock systems general overview and features video.

Sentry Interlocks General Overview

Manual unlocked door interlock operation tutorial video.

Manual Doors, Normally Unlocked 1

Using Sentry Cat5 Indicators
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Manual door interlock unlocking procedure demonstration.

Manual Doors, Normally Unlocked 2

Using Wired Indicators
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Manual locked door interlock operation video tutorial.

Manual Doors, Normally Locked 1

Using Sentry Cat5 Indicators and Sentry REX Devices
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Manual locked door interlock system demonstration video.

Manual Doors, Normally Locked 2

Using 3rd Party Wired REX Devices and Sentry Cat5 Indicators
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Manual door interlock locking sequence video guide.

Manual Doors, Normally Locked 3

Using 3rd Party Wired Indicators and REX Devices via Sentry RJ45 Adapter
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Automatic door interlock system operation video tutorial.

Automatic Doors 1

Using Sentry Cat5 Indicators and Sentry REX Devices
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Automatic door interlock with access control integration video.

Automatic Doors 2

Using 3rd Party Wired REX Devices and Sentry Cat5 Indicators
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Automatic door interlock cycle operation demonstration.

Automatic Doors 3

Using 3rd Party Wired Indicators and REX Devices via Sentry RJ45 Adapter
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Fire emergency override for door interlock systems video.

Fire Alarm and Emergency Setup

L1 Logic (also known as “Room Logic”)

also known as “Room Logic”

L1 Logic (also known as “Room Logic”) is available for 2 to 10 door mantraps providing a standard interlocking scenario ~ if one door is open, all the other doors are locked.

L2 Logic (also known as “3+1 Logic”)

also known as “L2 Logic”

L2

L2 Logic (also known as “3+1 Logic”) is available for 4 or more door mantraps where different combinations of doors being locked or unlocked are required.

L3 Logic (also known as “Multiple-step Airlock”)

also known as “L3 Logic”

L3

L3 Logic (also known as “Multiple-step Airlock”) is a very frequent logic used to set up multiple step mantraps designed to enter to a production area or classified space from a non-classified area. Used with one room after another which appears to be a tunnel or corridor divided by doors. “L3” Logic is available for applications of 3 to 10 interlocked doors.