Omron V680S Series User Manual page 233

V680S-D2KF67M
 Influence of Surrounding Metal
The V680S-D2KF67M 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 V680S-D2KF67M.
RF Tag
V680S-HMD64-ETN and V680S-D2KF67M
(%)
100
90
80
70
60
50
40
30
20
10
0 10 20
Distance (x) from surrounding metal
RF Tag
x
Metallic material
 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
Embedded
5mm max.
Metallic material
30 40 50 (mm)
x
70mm min.
90mm min.
RF Tag
Surface-mounted
Metallic material
V680S-HMD66-ETN and V680S-D2KF67M
(%)
100
90
80
70
60
50
40
30
20
10
0 10 20 30
Distance (x) from surrounding metal
70mm min.
90mm min.
Section 8
Appendices
40 50 (mm)
RFID System
231
User's Manual