Omron V680-HAM42-DRT User Manual page 107

V680-D2KF52M
Differences in Surrounding Metals
Communications distances are affected by the type of metal in back of or surrounding the Tag, as
shown in the following table.
V680-D2KF52M
Note: The value for steel around or behind the Tag is set to 100%.
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 Tag.
ID Tag
Embedded
4.5 mm max.
Metal casing
● V680-HS52 and V680-D2KF67M
(%)
100
90
80
70
60
50
40
30
20
10
0 10 20
Distance to metal (x)
● V680-HS65 and V680-D2KF67M
(%)
100
90
80
70
60
50
40
30
20
10
0
10 20 30
Distance to metal (x)
Tag
X
Metal casing
Steel SUS
100% 80% to 85%
Surface-mounted
Metal casing
● V680-HS63 and V680-D2KF67M
30 40 50 (mm)
40 50 (mm)
X
Brass
80% to 85%
ID Tag
(%)
100
90
80
70
60
50
40
30
20
10
0 10 20 30
Distance to metal (x)
Section 6
Appendices
Aluminum
75% to 80%
40 50 (mm)
RFID System
User's Manual
105