Omron V680 Series User Manual page 78

Section 4
Installation
Influence of Angle (Reference)
Install Antennas and RF Tags as parallel to each other as possible.
Communications are possible even when an Antenna and a RF Tag are mounted at an angle, but the
communications distance will be shortened. The relation between the angle and the communications
distance is shown below.
Percentage Drop in Communications Distance According to Angle of V680-D1KP52MT
V680-HS51 and V680-D1KP52MT
V680-HS51 and V680-D1KP52MT
V680-HS52 and V680-D1KP52MT
V680-HS52 and V680-D1KP52MT
V680-HS63 and V680-D1KP52MT
-: The measurement is no possible because the RF Tag comes in contact with the Antenna.
Measurement Conditions
•V680-HS51 and V680-D1KP52MT
Steel
V680-HS51
Toothed washer
•V680-HS52 and V680-D1KP52MT
V680-HS52
•V680-HS63 and V680-D1KP52MT
V680-HS63
Non-Metallic material
RFID System
76
User's Manual
0
0%
0%
(Metal: Steel)
0%
0%
(Metal: Steel)
0%
Nuts
V680-D1KP52MT
Non-metallic material
V680-D1KP52MT
Non-metallic material
V680-D1KP52MT
Non-metallic
material
RF Tag angle (θ°)
10 20
-1% -5%
0% 0%
0% 0%
-6% -13%
-2% -5%
• V680-HS51 and V680-D1KP52MT (Metal: Steel)
Steel
Nuts
V680-HS51
Toothed washer
• V680-HS52 and V680-D1KP52MT (Metal: Steel)
V680-HS52
30 40
-10% -15%
-4% -28%
-2% -6%
-25% -
-9% -14%
V680-D1KP52MT
Steel
V680-D1KP52MT
Steel