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4-1
4-1-1 Installation Environment
(1) Antenna and tag
Install the antenna and tag so that those front faces can face each other. Confirm the front side and the reverse side of them. The front
faces must face each other.
(2) Antennas
Keep sufficient space between the antennas according to Section 7-5. If sufficient space cannot be obtained:
• Do not assign consecutive channel numbers to the radio wave channels of adjacent antennas (referring to Section 3-3).
• Transmit a radio wave only when it is required so that radio wave emission cannot be done simultaneously.
(3) Tag rotating position to antenna
The antenna and tag use "circularly polarized wave" as radio wave to communicate with each other. So, the tag can communicate with
the antenna at any rotating angle.
The maximum communication range varies depending on the rotating angle of the tag. Refer to Section 7-3.
• Conceptual diagram of circularly polarized wave
Antenna
Tag
Front face
Front face
Antenna
Tag
* A hatched area
on the tag shows the logo "omron".
Chapter 4 Installation and Connection
4-1 Read/Write Antenna and ID Tag