Omron V680-HS63 - Page 181

RFID System
User's Manual
SECTION 7
Reference Data
SECTION 7
Appendices
179
 Influence of RF Tag Angle (Reference)
Install Antennas and RF Tags as close to parallel to each other as possible.
Communications are possible even when an Antenna and an RF Tag are mounted at an angle, but the
communications range will be shortened. The relation between the angle and the communications
range is shown below.
Reduction in Communications Range for V680S-D8KF68 Angle
Measurement Conditions
RF Tag angle ()
0 10 20 30 40 50 60 70 80 90
V680-HS63 and V680S-D8KF68
(Horizontal-facing RF Tag)
0% -1% -1% -1% -1% -1% -3% -8% -16% ---
V680-HS63 and V680S-D8KF68
(Vertical-facing RF Tag)
0% -1% -2% -4% -7% -11% -17% -25% -37% -58%
V680-HS65 and V680S-D8KF68
(Horizontal-facing RF Tag)
0% -1% -2% -3% -6% -9% -15% -22% -35% -60%
V680-HS65 and V680S-D8KF68
(Vertical-facing RF Tag)
0% -1% -3% -5% -9% -13% -20% -29% -44% -72%
 V680-HS63 and V680S-D8KF68
(Horizontal-facing RF Tag)
 V680-HS63 and V680S-D8KF68
(Vertical-facing RF Tag)
 V680-HS65 and V680S-D8KF68
(Horizontal-facing RF Tag)
 V680-HS65 and V680S-D8KF68
(Vertical-facing RF Tag)
RF Tag
Metallic
material
Antenna
θ
RF Tag
Metallic
material
Antenna
θ
RF Tag
Metallic
material
Antenna
θ
RF Tag
Metallic
material
Antenna
θ