RFID System
User's Manual
SECTION 7
Reference Data
SECTION 7
Appendices
157
Mutual Interference with RF Tags (Reference)
To prevent malfunctioning due to mutual interference when using more than one RF Tag, leave
sufficient space between them as shown in the following diagram.
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 V680-D2KF67 Angle
Measurement Conditions
RF Tag angle ()
0 10 20 30 40
V680-HS52 and V680-D8KF67
0% -1% -1% 1% 1%
V680-HS63 and V680-D8KF67
0% 1% 1% 2% 4%
V680-HS65 and V680-D8KF67
0% 1% 2% 5% 9%
V680-HS52 and V680-D8KF67 V680-HS63 and V680-D8KF67
V680-HS65 and V680-D8KF67
RF Tag
Non-metallic
material
Antenna
θ
RF Tag
Metallic
material
Antenna
θ
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