Omron V680-HS63 - Page 158

156
SECTION 7
Reference Data
RFID System
User's Manual
SECTION 7
Appendices
 V680-D8KF67
 Effect of Metal on Back of RF Tags (Reference)
The V680-D8KF67 communications range is reduced if there is any metallic material on the back of the
RF Tag.
● V680-HS52 and V680-D8KF67 ● V680-HS63 and V680-D8KF67
● V680-HS65 and V680-D8KF67
Distance to metal (x)
10
20
30
40
50
60
70
80
90
100
(%)
Communications range (Distance without metal is 100%.)
0 10 20 30 40
(mm)
50
Distance to metal (x)
10
20
30
40
50
60
70
80
90
100
(%)
Communications range (Distance without metal is 100%.)
0 10 20 30 40
(mm)
50
Antenna
RF Tag
X
Metal on back
Communica-
tions
range
Y
X
Y
Antenna
RF Tag
Metallic
material
Metal on back
Communica-
tions
range
Distance to metal (x)
10
20
30
40
50
60
70
80
90
100
(%)
Communications range (Distance without metal is 100%.)
0 10 20 30 40
(mm)
50
X
Y
Antenna
RF Tag
Metallic
material
Metal on back
Communica-
tions
range