Omron V680S Series, Руководство пользователя

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RF Ta
g In
sta
lla
tion Prec
aut
ions
Se
ction 11
Section 11
Appendices
283
RFID System
User's Manual
(Modbus TCP)
RF Tag Installation Precautions
V680-D1KP54T

Effect of Metal behind RF Tags
The communications range will decrease if there is metal at the back of the V680-D1KP54T RF Tag.
The V700-A80 Attachment is 8 mm thick. 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.
The V700-A80 Attachment is 8 mm thick.
Reader/Writer
RF Tag
Y
Communications
range
RF Tag
Reader/Writer
Metal
Metal
Metal on back
Non-metallic material
Metal on back
X
0
10
20
30
40
50
60
70
80
90
100
20 40 60 80 100 (mm)
(%)
V680S-HMD63-ETN and V680-D1KP54T
10 30 50 70 90 110
X
V680S-HMD66-ETN and V680-D1KP54T
0
10
20
30
40
50
60
70
80
90
100
20 40 60 80 100 (mm)
(%)
10 30 50 70 90 110
X
0
10
20
30
40
50
60
70
80
90
100
20 40 60 80 100 (mm)
(%)
V680S-HMD64-ETN and V680-D1KP54T
10 30 50 70 90 110
Distance (x) to the metal plate in back of RF Tag
Communications range (range with no metal at back surface = 100%)
Distance (x) to the metal plate in back of RF Tag
Communications range (range with no metal at back surface = 100%)
Distance (x) to the metal plate in back of RF Tag
Communications range (range with no metal at back surface = 100%)
Non-metallic material
Y
Communications
range
Reader/Writer
RF Tag
Y
Communications
range
Metal
Metal on back
Non-metallic material