Securitron DKC Bedienungsanleitung PDF herunterladen (Seite 5)

PN# 500-33510

Page 5 Rev. A, 06/13

DKC CPU Board Configuration

AC Lock with AC Power

When a fail secure lock operating on AC is used, power

must be applied to release the lock. The two

transformer secondary wires connect to the AC input

terminals (there is no polarity with AC). Power from one

terminal then goes to the common of the associated

door relay. The NO contact of the relay will power the

lock to release the door when a correct code is entered.

Note that if the AC lock is fail safe (secure when

powered) make the connection to the lock from the NC

terminal.

DKC

COM

ACLOCK–ACPOWERWIRING

Figure2

ACFAILSECURE

LOC K

TRANSFORMER

12OR24VAC

MAININ

DC Lock with AC Power

Most DC electric locks can be operated from an AC

transformer when the DKC is used. The DKC converts

the input AC to DC to operate the lock. The lock must

accept full wave rectified DC power. This is true of most

DC locks (including Securitron Magnalocks) but some

specialty units require regulated DC power.

The DC terminals furnish output power for the lock. DC

locks must not draw more than 1 Amp. The positive DC

terminal connects to the common of associated door

relay and either the NO terminal (if the lock is fail

secure) or the NC terminal (if the lock is fail safe)

connects to the locks’ positive power input. Only

connect one of these terminals. Consult lock

instructions to determine if the lock is polarized and

must connect lock power correctly to positive and

negative.

Note that many DC lock installations call for battery

backup. To achieve this, employ a DC battery backup

power supply.

DKC

COM

DCLOCK–ACPOWERWIRING

Figure3

TRANSFORMER

12OR24VAC

DCFAILSECU REOR

FAILSAFELOCK

DC

‐

IFFAILSECURE

IFFAILSAFE

MAININ

DC Lock with DC Power

The DKC does not require regulated power but certain

specialized electric locks do. Please match the power

supply to the requirements of the lock. DC locks come

in fail secure (secure when not powered) and fail safe

(secure when powered) versions. All magnetic locks are

fail safe. The positive DC terminal connects to the

common of associated door relay and either the NO

terminal (if the lock is fail secure) or the NC terminal (if

the lock is fail safe) connects to the locks positive

power input. Only connect one of these two terminals.

Consult lock instructions to determine if the lock is

polarized and must connect lock power correctly to

positive and negative.

DKC

NC C

DCLOCK–DCPOWERWIRING

Figure4

POWERSUPPLY

12OR24VDC

DCFAILSECURE

ORFAILSAFE LOCK

DC

‐

IFFAILSECURE

IFFAILSAFE

‐

DCPOWERNEEDNOT

BEREGULATED

MAININ

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