Omron V680-HAM42-DRT User Manual page 106

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-D2KF52M
Note: The value for steel around or behind the Tag is set to 100%.
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.
ID Tag
Embedded
Metal casing
● V680-HS52 and V680-D1KP66MT
(%)
100
90
80
70
60
50
40
30
20
10
0
● V680-HS65 and V680-D1KP66MT
(%)
100
90
80
70
60
50
40
30
20
10
0
RFID System
104
User's Manual
Steel
100%
3.5 mm max.
10 20 30 40
Distance to metal (x)
10 20 30 40 50
Distance to metal (x)
ID Tag
X
X
Metal casing
SUS
85% to 90%
ID Tag
Surface-mounted
Metal casing
● V680-HS63 and V680-D1KP66MT
(%)
100
90
80
70
60
50
40
30
20
10
0
(mm)
50
60 (mm)
Brass Aluminum
80% to 85% 80% to 85%
(mm)
10 20 30 40 50
Distance to metal (x)