Tag Orientation In Space; Specified Minimum And Maximum Spacing Of Antennas - Siemens SIMATIC RF600 System Manual

Rfid system in the uhf frequency range

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4.3.3

Tag orientation in space

The alignment of the tag antenna to the antenna of the reader affects the reading range. For

maximum performance and to achieve the maximum reading range, the tag antenna should

therefore be aligned in parallel with the reader antenna:

Parallel tag alignment

Vertical tag alignment

4.3.4

Specified minimum spacing of antennas

The following diagram shows the specified minimum and maximum spacings for mounting

antennas:

A minimum spacing of 50 cm is necessary between the antenna and liquids or metals.

The distance between the antenna and the floor should also be at least 50 cm.

SIMATIC RF600

System Manual, 05/2012, J31069-D0171-U001-A13-7618

RF600 system planning

4.3 Antenna configurations

Large reading range

Maximum probability of identification of tags.

Minimal reading range

Minimum probability of identification of tags.

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