Siemens SIMATIC RF662A Руководство по эксплуатации - Страница 17
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Antenna patterns
5.1
Alignment of transponders to the antenna
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
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