160
SECTION 7
Reference Data
RFID System
User's Manual
SECTION 7
Appendices
V680-D8KF67/-D32KF68
Effect of Surrounding Metals (Reference)
² Special Attachment (V680-A81) Installation Direction
● V680-HS63 and V680-D8KF68/-D32KF68 ● V680-HS65 and V680-D8KF68/-D32KF68
V680-A81
ATTACHMENT
MADE IN JAPAN
M4 screw
Spring washer
Flat washer
The communications range will be reduced if there is metal on the
back of an ID Tag. When mounting on a metal surface, use the
V680-A81 special Attachment (sold separately) or insert a
non-metallic spacer (e.g., plastic, resin, etc.).
0
10
20
30
40
50
60
70
80
90
100
10 20 30 40
(mm)
(%)
Communications range
(Distance without metal is 100%.)
Distance to metal (x)
When Attachment (V680-A81) is not used
When Attachment (V680-A81) is used
0
10
20
30
40
50
60
70
80
90
100
10 20 30 40
(mm)
%
When Attachment (V680-A81) is used
When Attachment (V680-A81) is not used
Distance to metal (x)
Communications range
(Distance without metal is 100%.)
X
Y
Antenna
Attachment
RF Tag
Metallic material
Communica-
tions
range
Metal on back
X
Y
Antenna
Attachment
RF Tag
Metallic material
Communica-
tions
range
M
t
l on
k