DKS 1803PC Owner's Manual download pdf (Page 14)

1.4 Hold Open Features

There are two hold open features associated with the Tracker expansion boards: hold open time

zones and an override hold open command. An "Override Hold Open" command will cause ALL the

tracker boards connected to the access control system to open a gate or unlock a door, and remain in

this status until commanded to return to normal operation.

1.4.1 Hold Open Time Zones

Hold open time zones are programmed in the Remote Account Manager for Windows (V 5.0 or higher

only) software and cannot be administered from the access control system itself. Hold open time

zones can be applied individually to the tracker boards as required to hold open a gate or to unlock a

door during certain times of the day and certain days of the week.

Access control systems models 1803PC, 1815, 1817 or 1818 must be equipped with an Enhanced 40

Series (Rev D or higher) control board and the Tracker board must also have revision level D or

higher for hold open time zones to be operable.

All “30 Series” access control systems, models 1833, 1835, 1837 and 1838, have hold open time

zone capability.

1.4.2 Hold Open Override

The tracker board is designed to activate its output relay and keep it activated (and therefore

unlocking the door or gate) if the access system command relay is activated for 15 seconds or more.

This feature enables the tracker boards to hold open their respective door or gate when necessary. It

is important to realize that if the command relay in the access system is activated for 15 seconds or

longer, ALL the tracker boards connected to that relay will unlock and hold open their respective door

or gate while the relay is activated. The tracker board relay will deactivate after the access system

relay deactivates.

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DKS 1803PC Owner's Manual Page 14