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Application Basics

The 3226 architecture and digital link between the Door Station and Controller

provides exible options using the auxiliary inputs and outputs. These are

some typical applications:

Cancel Ring When Door Opened

In a residential or warehouse installation it is not uncommon for the door to

be answered in person before the phone is answered. Either Door Station

or Control Unit inputs can be congured to cancel ring if the door is opened

before a call is answered. This requires a normally closed or normally open

contact to detect door open.

Trigger Door Bell from Door Station

When the Door Station call button is pressed, either (or both) the Door Station

or Control Unit dry contact output can be congured to activate a door bell or

auxiliary alerting system in addition to phone ring.

Trigger Door Station from External Button/Event

Either the Control Unit or Door Station can accept a dry contact closure to

activate the Doorphone as if the call button had been pressed. This could be

an external doorbell button, PIR detector, or some other system.

Cancel Door Open Relay once Door Opened

The door opening control can be set for activation (using the `Open Code’) up

to 30 seconds (set by the `Relay Time’ setting) to allow sufcient time for entry.

For security, the 3226 Doorphone can be congured to cancel Door Opening

once the door is opened to prevent “tailgating” by unauthorized personnel.

Unlock Door Indenitely until Canceled

The door opening control can be set to unlock indenitely (using the `Latch

Open Code’) until canceled (using the `Release Code’) that locks it again. This

allows an entrance to be used repeatedly for a period of time without requiring

multiple activations of the door control relay.

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Algo 3226 Guía de usuario Pagina 6