Omron V680-HAM91 User Manual page 158

Section 7
Appendices
V680-D2KF67M
Effect of Surrounding Metals (Reference)
The V680-D2KF67M can be surface-mounted or it can be embedded in metal. If it is embedded in
metal, the height of the metal casing must not exceed that of the RF Tag.
RF Tag
Embedded
Metallic material
● V680-HS52 and V680-D2KF67M
(%)
100
90
80
70
60
50
40
30
20
10
0
● V680-HS65 and V680-D2KF67M
(%)
100
90
80
70
60
50
40
30
20
10
0
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.
RFID System
156
User's Manual
Surface-mounted
4.5 mm max.
10 20 30 40 50
Distance to metal (x)
10 20 30 40 50
Distance to metal (x)
RF Tag
X X
Metallic material
120 mm min.
RF Tag
Metallic material
● V680-HS63 and V680-D2KF67M
(%)
100
90
80
70
60
50
40
30
20
10
(mm)
0 10
(mm)
120 mm min.
20 30 40 50 (mm)
Distance to metal (x)