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SECTION 7
Reference Data
RFID System
User's Manual
SECTION 7
Appendices
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-D1KP66T Angle
Measurement Conditions
RF Tag angle ()
0 10 20 30 40
V680-HS52 and V680-D1KP66T
0% 1% 2% 4% 7%
V680-HS63 and V680-D1KP66T
0% 2% 3% 5% 9%
V680-HS65 and V680-D1KP66T
0% 1% 3% 6% 11%
V680-HS52 and V680-D1KP66T V680-HS63 and V680-D1KP66T
V680-HS65 and V680-D1KP66T
100 mm min.
100 mm min.
Antenna
RF Tag
θ
Non-metallic
material
Antenna
RF Tag
θ
Metallic
material
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