ZKTECO KR612DR Users Manual
KR612D-RS User manual
1 Overview
KR612D-RS 13.56MHZ Contactless IC card reader, is based on ISO / EM4001 international
standard protocol development of non-contact smart card serial number reader. It uses the company's own
design of high-performance RF card reader circuit design; with a high degree of integration,
anti-interference ability, small size, stable performance, cost-effective features. Can provide RS485 and
Wiegand communication interface for access control, time and attendance, fees, security, Patrol and other
radio frequency identification applications。
2. Features
The card reader is equipped with a card-reading antenna that works at 13.56MHz.
The effective distance ranges from 0 to 5cm, depending on the working environment and card type.
The data receiving time is less than 80ms within the effective distance.
The card reader adopts the single +12 VDC power supply, and the operating current is less than
100mA.
The data is output in the standard Wiegand34 bits format by default. The format can be converted
between Wiegand34 and Wiegand66.
The card reader is produced using the fully closed rubber injecting operation to achieve the
waterproof and moisture-proof effects.
The effective distance is associated with the voltage of the power supply, used IC cards, and operating
environment.
3. Wire Function Description
Red wire: VCC; +12V
Black wire: GND
Green wire: Wiegand D0
White wire: Wiegand D1
Grey wire: Green LED
Purple wire: Beeper
Yellow wire: NC
Blue wire: 485-
Orange wire ：485+
4. Specifications
4.1 Limit Parameters
project Value unit
+12V,Vcc 12.5 V
Data0,I0/Clock,ICK 20 mA
Data1,I1/Data,IC 20 mA
R485- 200 mA
R485+ 200 mA
Hold,IH/Card
Present,ICP
25 mA
antenna ,IAN 43 mA
Operating
temperature ,TOPR
Storage
temperature ,TSTR
-1070 C
-55~+125
C
4.2 Electrical, mechanical properties (No special instructions TA=25,Vcc=12V)
project Min typical
Max
unit
+12V,Vcc 7 12 14 V
Working current,Ic 70 110 mA
working frequency,FRES 13.52 13.56 13.58 MHz
effective distance,D * 20 30 40 mm
Decoding time,TDEC 65 100 ms
Data0,Data1,Hold/
ata,Clock,Card,
Present,Output high
potential， VoH
2.4(IoH=80uA), 0.75Vcc(IoH=30uA)
V
0.9Vcc(IoH=12uA)
Data0,Data1,Hold/
ata,Clock,Card,
Present Output low
potential,VoL
0.5
( IoL=20mA,Vcc=5V,IoL=20mA,Vcc=3.3V)
V
R485+,R485-Input voltage -7<Output<12 V
R485+,R485-output
voltage
-7<Output<12 V
Size,L X W X H 86*86*16 （±3mm） mm
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