User's Manual

RFID System
User's Manual
109
Section 6 Reference Data
Section 6
Appendices
 V680-D2KF67
 Effect of Metal behind Tags (Reference)
The V680-D2KF67 communications distance is reduced if there is any metal material behind the Tag.
● V680-HS52 and V680-D2KF67 ● V680-HS63 and V680-D2KF67
● V680-HS65 and V680-D2KF67
Distance to metal (x)
10
20
30
40
50
60
70
80
90
100
(%)
The communications distance without metal is 100%
010203040
(mm)
50
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
X
Metal on back
Communica-
tions
distance
Y
X
Y
Antenna
ID Tag
Metal
Metal on back
Communica-
tions
distance
Distance to metal (x)
10
20
30
40
50
60
70
80
90
100
(%)
The communications distance without metal is 100%
010203040
(mm)
50
X
Y
Antenna
ID Tag
Metal
Metal on back
Communica-
tions
distance