INTRODUCTION
FEATURES
DK-2890 is a self-contained two output relay weatherproof keypad. It combines the digital keypad
and proximity EM card reader in one unit.
The keypad has been designed for stand alone access control applications. It is expandable to work
with an optional decoder (DA-2800 or DA-2801) for high security split-decoded operation. It is also
compatible with the auxiliary card reader (AR-2802) and the auxiliary keypad readers (AR-2806,
AR-2807 and AR-2809) for upgrading a stand alone or split-decoded system to multi-station
operation.
The keypad is ideally for door strike and alarm arm-disarm controls. It is also a programmable
industrial timer (from 1 second to over 24 hours) for automatic operator system.
Its Output 1 is controlled by user codes/cards ideally for access control and the output 2 is controlled
by the bell button mainly for low power door chime activation.
A member of the Tri-Tech series keypads compatible with the optional controllers & reader keypads
for system expansion
Loaded with the 2nd generation DK-2800 MK-II operation software
Bi-directional Data I/O port compatible with all the optional devices
Built-in with all the logics for stand alone, split-decoded and multi-station operations
Controls “Going in” with User Codes / Cards and “Going out” with feature programmable egress
button
Independent control for the three output relays with programming timer
Total 1,000 User Codes / Cards for controlling of the two outputs
Indoor or outdoor installation with IP-55 all weather ingress protection
Back-lit key buttons
ABS plastic housing
Package Contents
• One DK-2890 Keypad
• Two EM Cards
• One Pack of Mounting Screws
• One Programming & Installation Manual
4) Split-decoded Multi-station Access Control Door Lock
Description
This is an expansion of application (3). The DK-2890 is expandable to a multi-station system in
Split-decoded operation. It is compatible with the auxiliary readers AR-2802 and the auxiliary
reader-keypads AR-2806, AR-2807 & AR-2809. Total 3 auxiliary readers or reader-keypads can
be connected in parallel with the Data I/O Bus. They provide the same functions like the master
keypad in using cards and user codes. The DK-2890 that is the server of the system manages
the data with its Data I/O Bus among the associated devices. This approach gives high security
in sabotage prevention and user convenience.
Note:
Make
Operation Mode
setting of the keypad in
“Server Mode”
with
Location 94 = 1
in
Wiring Diagram
System Connection
6
5
4
3
2
1
LED
DATA
I/O
TAMPER
N.C.
( + ) ( – )
12-24V DC
AR-2802/06/07/09
AUXILIARY READER
OR KEYPAD-READER
DK-2890 (SERVER)
-
A
LA
RM O/P
-
KEY ACT O
/P
-
N.O
.
-
COM
-
N.C
.
-
N.O
.
-
COM
-
N.C
.
-
N.O
.
-
COM
-
N.C
.
-
T
AMPE
R
-
GND
(-
)
-
DOOR SENS
-
O/P 1 INHI
B
-
IN
T.
L
OC
K
-
DU OU
T
-
DOOR BELL IN
-
EG IN
-
D
AT
A I/
O
-
KEY
PAD PW
R
-
GND
(-
)
-
12-24V DC
N.O.
ELECTRIC LOCK
1N4004
CATHODE
OUTPUT RELAY 1
N.O. Output for Fail-secure Lock
N.C. Output for Fail-safe Lock
N.C.
OUTPUT 1 OUTPUT 2 OUTPUT 3
DIGITAL KEYPAD
AD-1312 OR AP-960
EGRESS BUTTON
MORE EGRESS
BUTTON CAN
BE CONNECTED
IN PARALLEL
DOOR BELL
BUTTON
N.O.
(-)
(-)
(-)
N.O.
N.O.
(–) COMMON GND
(+) POWER SUPPLY
DATA I/O BUS
DA-2800 OR DA-2801
(DECODER)
(–) COMMON GND
(+) POWER SUPPLY
DATA I/O BUS
DA-2800 OR
DA-2801
(DECODER)
DK-2890
(SERVER)
ELECTRIC LOCK
AR-2802/06/07/09
AUXILIARY READER
OR KEYPAD-READER
this application.
1. GREY
2. PINK
6. BLACK
5. RED
4. ORANGE
3. PURPLE
8. BROWN
12. BLUE
11. GREEN
10. YELLOW
9. WHITE
7. LIGHT BLUE
TAMPER N.C.
OUTPUT RELAY 2
OR
DOOR BELL
GND (–)
12V
DC IN
(+)
N.O.
COM
N.C.
DATA I/O
(–) GND
EG IN N.O.
Summary of Contents for DK-2890
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