Omron V670 Series, User Manual

Page: 136 / 143

9-4 Influence of Back Metal of Tag (Reference)
9-6
•
Model V670-H51 Model V670-D13F01 (H)
Precaution for Correct use
With the above description as reference, carry out a preliminary test or take other appropriate measures to ensure successful installa-
tion of the product.
0 2 4 6 8 9 1 3 5 7 10
Distance between metal and tag (mm)
Communication range ratio (%)
0
100
80
60
40
20
10
90
70
50
30
0 2 4 6 8 9 1 3 5 7 10
Distance between metal and tag (mm)
Communication range ratio (%)
0
100
80
60
40
20
10
90
70
50
30
Antenna
Metal
Tag
Distance
between back
metal and tag
Communication
range
* Assume that the communication
distance without metal is 100%.
* Assume that the communication
distance without metal is 100%.
Metal: Aluminum
Metal: Iron