User's Manual

106
Section 6 Reference Data
RFID System
User's Manual
Section 6
Appendices
 V680-D8KF67/-D32KF68
 Effect of Surrounding Metals (Reference)
•Special Attachment (V680-A81) Installation Direction
● V680-HS63 and V680-D8KF68/-D32KF68 ● V680-HS65 and V680-D8KF68/-D32KF68
V680-A81
ATTACHMENT
M
AD
E
IN
JAP
A
N
M4 screw
Spring washer
Flat washer
The transmission distance will be reduced if there is metal in back of
a Tag. When mounting on a metal surface, use the special
Attachment (V680-A81) of another sales or insert a non-metallic
spacer (e.g., plastic, wood, etc.).
0
10
20
30
40
50
60
70
80
90
100
10 20 30 40
(mm)
(%)
The communications 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)
The communications distance without metal is 100%
X
Y
Antenna
Attachment
Tag
Metal
Communica-
tions
distance
Metal on back
X
Y
Antenna
Attachment
Tag
Metal
Communica-
tions
distance
Metal on back