RF Ta
g In
sta
lla
tion Prec
aut
ions
Se
ction 11
Section 11
Appendices
291
RFID System
User's Manual
(Modbus TCP)
Influence of Inclination
Install the Reader/Writer and RF Tags so that the Reader/Writer and RF Tags are as parallel to each
other as possible.
Communications will be possible even if the Reader/Writer and RF Tags are not parallel to each other;
however, the communications range is affected by the inclination between them as shown in the
following graphs.
Rates of Change in Communications Range for Inclination of V680-D1KP66MT
Measurement Conditions
RF Tag inclination
(
θ°
)
0
10
20
30
40
50
60
70
80
90
V680S-HMD63-ETN and V680-D1KP66MT
(Metal at back surface: Steel)
0%
-1%
-6%
-9%
-15%
-23%
-36%
-67%
---
---
V680S-HMD64-ETN and V680-D1KP66MT
(Metal at back surface: Steel)
0%
0%
-2%
-5%
-10%
-18%
-31%
-59%
---
---
V680S-HMD66-ETN and V680-D1KP66MT
(Metal at back surface: Steel)
0%
0%
-3%
-7%
-16%
-28%
-49%
---
---
---
•
V680S-HMD63-ETN and V680-D1KP66MT
(Metal at Back Surface: Steel)
•
V680S-HMD64-ETN and V680-D1KP66MT
(Metal at Back Surface: Steel)
•
V680S-HMD66-ETN and V680-D1KP66MT
(Metal at Back Surface: Steel)
Non-metallic
material
RF Tag
Reader/Writer
Metallic material
RF Tag
Metallic material
Reader/Writer
Non-metallic material
RF Tag
Metallic material
Reader/Writer
Non-metallic material
