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V150819
AR-661UG (V2) User Manual
Stationary UHF RFID Reader
Wire Application
Wire
Color
Description
Power
0
Black
DC Power Jack
Apply for the size in OD55mm*ID20mm*11mm(L)
DC12V / 1.5A
RS-485
1
Orange-White
RS-485 (A+)
2
Orange
RS-485
GND (RS-485)
3
Blue-White
GND for RS-485 Connection
GND (WG)
4
Blue
GND for Wiegand Connection
Wiegand
5
Green-White
Wiegand Data: 1 Input
6
Green
Wiegand Data: 0 Input
DI
7
Brown-White
External control signal input
H:3.3V / L:0V
*If DI is not in use, please connect it with the blue
or blue/white wire.
DO
8
Brown
Reader control signal output
(For RS-485 Connection Only)
Notice of Installation
1. Secure the AR-661UG(V2) RFID reader on a column, pedestal, wall, or beam at least 150cm
above ground and leave space for adjusting the up and down and left and right angles of the
reader.
2. Check the antenna pattern and adjust the support angle for the reader to face the position the tag
will pass through.
3. Although the ideal sensing range of AR-661UG(V2) is over 10m, the actual sensing range varies
due to weather (raining, fog, sunny) and installation method (horizontal, inclining).
Installation
Step 1: Use a screwdriver to screw the
L-Bracket on the backside of UHF reader
Step 2: Take off the nuts and
gaskets from
U-bracket. Set the U-bracket into any cylinder at
the site. Gradually attach the Fixed Bracket and
Step 1 to U-Bracket and fixed by the nuts and
gasket.
