Omron V680S-HMD63-PNT User Manual page 258

V680s series, profinet, reader/writer
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Section 11
Appendices
V680-D1KP66T-SP
 Influence of Metal at Back Surface
The communications range will decrease if there is metal at the back of the V680-D1KP66T-SP RF
Tag. If the RF Tag is mounted on metallic material, use a non-metallic spacer (e.g., plastic or resin).
The following graphs show the relationship between the distance from the RF Tag to the metallic
surface and the communications range.
V680S-HMD63-PNT and V680-D1KP66T-SP
(%)
100
90
80
70
60
50
40
30
20
10
0
20
Distance (x) to the metal plate in back of RF Tag
Reader/Writer
Non-metallic
material
Metal
V680S-HMD66-PNT and V680-D1KP66T-SP
(%)
100
90
80
70
60
50
40
30
20
10
0
20
Distance (x) to the metal plate in back of RF Tag
Reader/Writer
Non-metallic
material
Metal
RFID System
256
User's Manual
(PROFINET)
40
60
80
100
120
140
RF Tag
Y
Communications
range
X
40
60
80
100
120
140
RF Tag
Y
Communications
range
X
V680S-HMD64-PNT and V680-D1KP66T-SP
(%)
100
90
80
70
60
50
40
30
20
10
(mm)
0
20
40
Distance (x) to the metal plate in back of RF Tag
Reader/Writer
Metal on back
Non-metallic
material
Metal
(mm)
Metal on back
60
80
100
120
140
(mm)
RF Tag
Metal on back
Y
Communications
range
X

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