Siemens SIMATIC RF662A Gebruiksaanwijzing - Pagina 17

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Antenna patterns

5.1

Transponder alignment

The RF662A antenna has a circular polarization. With a circular antenna the alignment of the

antenna axis of symmetry changes between horizontal and vertical each time it transmits. For

this reason the alignment of the transponder polarization axis (horizontal/vertical) is

unimportant. Make sure, however, that the transponder is aligned with the antenna.

Figure 5-1

SIMATIC RF662A

Operating Instructions, 12/2022, C79000-G8976-C684-01

Alignment of the transponder polarization axis with a circular antenna axis of symmetry