Reference Data: Antenna And Rf Tags Installation - Omron V680-HAM91 User Manual

Reference Data: Antenna and RF Tags Installation

Antenna Mounting Precautions
V680-HS51
Effect of Surrounding Metals on the Antenna (Reference)
When embedding the Antenna in metal, be sure the metal does not extend beyond the tip of the
Antenna.
R18 min.
Antenna
40 mm min.
Do not bend the cable into a curve tighter
than 18 mm in radius.
Mutual Interference between Antennas (Reference)
To prevent malfunctioning due to mutual interference when using more than one Antenna, leave
sufficient space between them as shown in the following diagrams.
• Installing the Antennas Facing Each Other
80 mm min.
Surrounding metal
(steel)
120 (±60)-mm dia. min.
7 mm min.
Antenna
If the metal around the Antenna reaches the communication surface,
the communications distance will be reduced by approx. 50%
compared with mounting to a non-metallic surface.
• Installing the Antennas in Parallel
80 mm min.
80 mm min.
Section 7
Appendices
Surrounding metal
(steel)
12-mm dia.
Communications
distance reduced
by approx. 50%.
RFID System
User's Manual
133