Rev. A.1, 10/99

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The locks may be immediately released by the associated panel toggle. Optionally, a remote release switch may be provided at the door such as a card reader, keyswitch etc. An exit device is provided for delayed egress. Pressing the exit device starts a 15 or 30 second irrevocable delay after which the lock releases. The lock remains released until reset by a switch (usually a keyswitch at the door).

Methods of interwiring the LCP board with the XDT timers at the door can become very complicated. The reason is that both products have been designed to perform numerous functions. Combining them therefore, can be done in a nearly endless number of ways. In so doing, it's easy to miss some point that can lead to improper operation, false alarms etc. One particular note is that if you employ the KP1 or MK1 switch bypass option, you will not completely bypass the toggles. The toggle itself will not open the door but (when depressed) will put the door into free egress mode rather than delayed exit mode. We advise not using this option with delayed exit.

To simplify this process, we advocate two different connection schemes which depend on whether the bypass function of the XDT board is to be used or not. The bypass function allows the use of a momentary switch closure to release the lock immediately for authorized entry or exit with the released state being held for five seconds. The bypass function not only provides the five second release time (and therefore replaces an outboard timer) but suppresses the XDT board's alarm outputs and delayed exit function during the 5 second period. Since the lock is being "legally" released, it's inappropriate to initiate a delayed exit sequence or send out alarm signals.

FIG. 9: GENERAL LCP/XDT CONNECTIONS WITHOUT USE OF BYPASS

 

LOCAL RELEASE SWITCH

 

 

LCP "L" TERMINAL

NC

 

 

LCP "E" TERMINAL

 

INITIATE

 

RESET (NC)

 

 

 

 

 

 

RS

(NC)

 

 

IN

 

 

 

SUPPLY

 

FE

 

 

LS

 

POWER

 

BP

 

+V

+

 

 

0V (NEG)

 

 

FROM

 

XDT BOARD

 

 

LCP "Y" TERMINAL

IF A LOCAL RELEASE SWITCH IS NOT USED, LCP "L" CONNECTS DIRECTLY

TO "C3" AND TO TOP OF INITIATE SWITCH; LCP "E" CONNECTS TO "FE".

MOV

NC

C3

FAIL SAFE

NO LOCK

NC

 

C2

DOOR/LOCK STATUS

 

NO

SWITCH. CLOSED

NC

WHEN SECURE.

 

C1

NOLOCAL

ALARM

LCP "S" TERMINAL

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Assa ELECTRIC LOCK manual General LCP/XDT Connections Without USE of Bypass
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ELECTRIC LOCK specifications

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