User's Manual
104
Section 6 Reference Data
RFID System
User's Manual
Section 6
Appendices
Effect of Surrounding Metals on the ID Tags
V680-D1KP52MT
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-D1KP66MT
Effect of Surrounding Metals (Reference)
The V680-D1KP66MT 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.
Steel SUS Brass Aluminum
V680-D2KF52M 100% 85% to 90% 80% to 85% 80% to 85%
Note: The value for steel around or behind the Tag is set to 100%.
● V680-HS52 and V680-D1KP66MT ● V680-HS63 and V680-D1KP66MT
● V680-HS65 and V680-D1KP66MT
Embedded
ID Tag
ID Tag
Surface-mounted
Metal casing
Metal casing
3.5 mm max.
The communications distance
without metal is 100%
Distance to metal (x)
(mm)
100
80
20
0
50302010
90
30
10
40
(%)
50
60
40
70
The communications distance
without metal is 100%
Distance to metal (x)
(mm)
100
80
20
0
50302010
90
30
10
40
(%)
50
60
40
70
The communications distance
without metal is 100%
Distance to metal (x)
(mm)
100
80
20
0
50302010
90
30
10
40
(%)
50
60
40
70
60
ID Tag
Metal casing
X
X










