Omron V680S Series User Manual page 226

Section 8
Appendices
V680-D8KF67M
 Influence of Surrounding Metal
The V680-D8KF67M can be surface-mounted or it can be embedded in metal. However, do not allow
the height of the metal to exceed the height of the V680-D8KF67M.
V680S-HMD64-ETN and V680-D8KF67M
(%)
100
90
80
70
60
50
40
30
20
10
0
x
 Mutual Interference of RF Tags
If you use more than one RF Tag, separate them by at least the interval shown below to prevent
malfunctions due to mutual interference.
If the distance between the RF tags is too short, read / write distance will be reduced.
 V680S-HMD64-ETN Reader/Writer
 V680S-HMD66-ETN Reader/Writer
RFID System
224
User's Manual
RF Tag
Embedded
Metallic material
10 20 30 40 50
Distance (x) from surrounding metal
RF Tag
x
Metallic material
70mm min.
90mm min.
Surface-mounted
4.5mm max.
Metallic material
V680S-HMD66-ETN and V680-D8KF67M
(%)
100
90
80
70
60
50
40
30
20
10
(mm) 0 10
Distance (x) from surrounding metal
70mm min.
90mm min.
RF Tag
20 30 40 50 (mm)