Securitron DK-12 Installation Instructions
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in door opening solutions
SECURITRON MODEL DK-12 DIGITAL KEYPAD
INSTALLATION & OPERATING INSTRUCTIONS
1. SPECIFICATIONS
MECHANICAL ELECTRICAL/ENVIRONMENTAL
Keypad Dimensions:
2” x 2-3/4” x 1/4” (Width x Length x Height
off of stainless steel faceplate)
Stainless Steel Faceplate Dimensions:
2-3/4” x 4-7/16” x 5/32” (Width x Length x
Height)
Back Board Dimensions:
1-29/32” x 2-13/16” x 1-1/16” (Width x
Length x Height off of stainless steel
faceplate)
2. INSTALLATION
Power Supply:
12/24VDC @ 100 milliamps maximum
12/24VAC @ 325 milliamps maximum
Relay Contacts:
Maximum 5 amps @ 30 volts
Environmental:
Operating: -10°F [-23°C] to 140°F [60°C]
Storage: -10°F [-23°C] to 150°F [65.6°C]
Humidity: 0% to 95% RH
SURFACE MOUNT WALL BOX
Separate the wall box cover and base.
Remove rectangular knockout in the center of the base.
Cut out opening in the wall that will be used to route the wires through.
Mount base to wall over wire opening using the #6 sheet metal screws and plastic anchors.
Mount DK-12 to cover with either tamper resistant #6 screws (recommended) or #6
conventional screws. See Section 7 (Programming) before securing DK-12 in place.
Pull wires through wall/center of base and connect to DK-12 wiring terminals (see Se ction 3
for wiring instructions).
Push the wall box cover onto the base until it snaps into place.
FLUSH MOUNT WALL BOX
Cut out opening in wall to mount box into.
Route wiring through one of the four knockouts in the back of the box.
Push the box into the wall and secure in place using the two swing clamps.
Connect wires to DK-12 wiring terminals (see Section 3 for wiring instructions).
Mount DK-12 to box with either tamper resistant #6 screws (recommended) or #6
conventional screws. See Section 7 (Programming) before securing DK-12 in place.
The DK-12 can be used outdoors with the optional rain cover (Securitron part #WCC) which will
allow the DK-12 to be mounted in outdoor locations not directly exposed to ra in or snow. When
used outdoors you must supply a weatherproof, gasketed wall box (available from Securitron
under part #WBB).
3. WIRING
Wiring Terminal Connections
:
1. ‘AC/DC+’ One AC supply lead or positive DC supply lead.
AC/DC+ AC/DC-
NC
COM
NO
SRC
REX
1 2 3 4 5 6 7
2. ‘AC/DC-’ Other AC supply lead or negative DC supply lead.
3. ‘NC’ Normally closed relay contact.
4. ‘COM’ Common for relay contacts.
Wiring
Terminals
5. ‘NO’ Normally open relay contact.
6. ‘SRC’ Supply for REX signal.
7. ‘REX’ REX Signal input.
DK-12
Back Side
NOTE: Each terminal is provided with a marking in front of it for
easy reference.
© Copyright, 2011, all rights reserved PN# 500-24010
Page 1 Rev. C, 04/11
C
1 2 3 4 5 6 7
Power Supply
Basic Power and Electric Lock Connections
Connect supply to ‘AC/DC+’ and ‘AC/DC-’ terminals.
:
Connect ‘AC/DC+’ terminal to ‘COM’ terminal.
If Fail Safe
For fail-safe operation connect ‘NC’ terminal to one
lead of lock (positive lead if a DC lock).
If Fail
Secure
For fail-secure operation connect ‘NO’ terminal to one
lead of lock (positive lead if a DC lock).
Connect other lead of lock to the ‘AC/DC-’ terminal.
Electric
Lock
NOTE: Use a DC supply for a DC lock and an AC
supply for an AC lock. Ensure the supply has the
DK-12
Back Side
capacity to operate both the lock and the DK-12.
Relay contact MOV protection is built into the DK-
12.
4. REX SOURCE AND INPUT
The REX (Request To Exit) function allows the door to be opened from the inside when an
electric lock (such as a magnetic lock) is securing the door. To use the REX a normally open
switch is placed between the ‘SRC’ and “REX’ terminals. When this switch is pushed/closed it
operates the DK-12 relay the same as if a code were entered.
REX CHARACTERISTICS
Holding the REX switch closed will keep the lock released.
When the REX switch re-opens the lock will remain released for the programmed time.
When in toggle mode the REX switch will toggle the relay state.
When in lockout mode the REX switch will still release the lock.
When using exit switches the possibility must be considered that an electronic failure may occur
to the DK-12 and people will not be able to exit. If the DK-12 controls the only door exiting
the area additional steps should be taken to improve the reliability of the exiting so as
to avoid trapping people. This can most easily be done by implementing a secondary means
of releasing the lock not dependant on the DK-12’s REX input. Additional switch contacts should
be used which directly control the electric lock. In the case of a fail-safe lock, which should
always be employed when there is only one exit path, this can be easily accomplished with
“double break” wiring between the exit button, electric lock, and DK-12. The exit button must
have normally open and normally closed contacts and be of the DPDT type. Exit bu ttons that fit
this need are available from Securitron. Note that you should always consult your local
building department when securing doors that are part of an emergency exit path to
make sure you are complying with local codes.
Power Supply
Double Break Wiring For Free Egress
Connect supply to ‘AC/DC+’ and ‘AC/DC-’ terminals.
:
Connect ‘AC/DC+’ terminal to one common terminal of
the DPDT switch.
Connect the normally closed contact of that common to
1 2 3 4 5 6 7
Fail-Safe
Electric Lock
the ‘COM’ terminal.
Connect ‘NC’ terminal to one lead of lock (posi tive lead
if a DC lock).
Connect other lead of lock to the ‘AC/DC-’ terminal.
Connect ‘SRC’ to the other common terminal of the
DK-12
Back Side
C
NC
NO
NC
NO
DPDT switch.
Connect the normally open contact of that common to
the ‘REX” terminal.
DPDT Switch
Because the DK-12 was designed for use with AC and DC volta ges the ‘SRC’ output was provided
to supply a current limited DC source for the REX switch. The above diagram can be redrawn for
use with a SPDT switch if required, however, an external resistor must be provided and
this setup can only be done with a DC power supply; if an AC power supply is used the
REX must be connected to the ‘SRC’ output.
PN# 500-24010
Page 2 Rev. C, 04/11
R
DC Power Supply
Double Break Wiring For Free Egress (SPDT)
Connect DC supply to ‘AC/DC+’ and ‘AC/DC-’
terminals.
Connect ‘AC/DC+’ terminal to the common terminal of
the SPDT switch.
1 2 3 4 5 6 7
Fail-Safe DC
Electric Lock
Connect the normally closed contact of the SPDT switch
to the ‘COM’ terminal.
Connect the normally open contact of the SPDT switch
to the ‘REX” terminal through resistor (R).
Connect ‘NC’ terminal to the positive lead of lock.
DK-12
Back Side
C
NC
NO
SPDT Switch
Connect other lead of lock to the ‘AC/DC-’ terminal.
NOTE: Resistor (R) is 3300 ohms, ½ watt.
5. WIRING WITH SECUTITRON’S TOUCH SENSE BAR AND MAGNALOCK
:
Power Supply
Touch Sense Bar and Magnalock Wiring
Connect supply to ‘AC/DC+’ and ‘AC/DC-’ terminals.
:
Connect ‘AC/DC+’ terminal to the red and white wires
of the Touch Sense Bar.
1 2 3 4 5 6 7
Magnalock
Black
Red
White
Sense Bar
Green
Red
Black
Touch
Connect ‘AC/DC-’ terminal to the black wires of both
the Touch Sense Bar and the Magnalock.
Connect ‘NC’ terminal to the red lead of the Magnalock.
Connect ‘COM’ terminal to the green lead of the Touch
Sense Bar.
DK-12
Back Side
6. FEEDBACK AND ENTRY OVERVIEW
The DK-12 comes with indictor lights above the keypad; left-hand side green, center yellow, and
right-hand side red. These three indictor lights, and the backlight, provide feedback during
operation. Note that the green and red LEDs could be reversed thru programming.
INDICATOR ACTION MEANING
While in programming mode an error was made during
program entry; or
The program entry was correct but the DK-12 can not accept
Red Light Single Flash
the programming, for example a code was trying to be set
that is a subset of another code; or
A 5 second timeout occurred at any time during a
programming step.
While in programming mode a confirmation that a valid
Red Light Double Flash
program entry was made; or
During normal operation the DK-12 was put into or taken out
of lockout mode.
Red Light
Red Light
Continuous
Flashing
Continuously
On
During normal operation the relay is energized while the DK-12
is in relay timer mode; flashes once per second.
While in normal operation the DK-12 is in passage mode; or
The DK-12 is in toggle mode and the relay is energized; or
The REX input is being held active.
While in programming mode the light will flash once per
Yellow Light
Continuous
Flashing
second; or
While the ‘PCR’ jumper is in the ‘ON’ position the light will
flash once per second.
Yellow Light
Continuously
On
While in normal operation this indicates that there are no codes
in memory.
Green Light Single Flash Key press detected.
PN# 500-24010
Page 3 Rev. C, 04/11
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