User's Manual

108
Section 6 Reference Data
RFID System
User's Manual
Section 6
Appendices
 V680-D1KP66T-SP
The V680-D1KP66T-SP communications distance is reduced if there is any metal material behind the
Tag. If the Tag is mounted on metal, insert a non-metal spacer (such as plastic or resin).
The relationship between the distance from the Tag to the metal surface and the communications
distance is shown below.
● V680-HS52 and V680-D1KP66T-SP
● V680-HS63 and V680-D1KP66T-SP
● V680-HS65 and V680-D1KP66T-SP
Distance to metal (x)
10
20
30
40
50
60
70
80
90
100
(%)
The communications distance without metal is 100%
010203040
(mm)
50
Antenna
ID Tag
Metal
X
Metal on back
Communica-
tions
distance
Y
Distance to metal (x)
10
20
30
40
50
60
70
80
90
100
(%)
The communications distance without metal is 100%
0 10 20 30 40 (mm)50
Antenna
ID Tag
Metal
X
Metal on back
Communica-
tions
distance
Y
Distance to metal (x)
10
20
30
40
50
60
70
80
90
100
(%)
The communications distance without metal is 100%
0 10 20 30 40 (mm)50
Antenna
ID Tag
Metal
X
Metal on back
Communica-
tions
distance
Y