Transponder
7.9 SIMATIC RF630T
SIMATIC RF600
416
System Manual, 06/2019, J31069-D0171-U001-A22-7618
7.9.3.2
Range when mounted on flat metallic carrier plates
The transponder generally has linear polarization. The polarization axis runs as shown in the
diagram below. If the tag is mounted in the center of a flat metal plate, which is either
approximately square or circular, it can be aligned in any direction since the transmitting and
receiving RF660A antennas operate with circular polarization.
Figure 7-24 Optimum positioning of the transponder on a (square or circular) metal surface
Table 7- 33 Range on flat metallic carriers
Carrier material
Range
Metal plate of at least Ø 300 mm
100 %
Metal plate Ø 150 mm
approx. 75 %
Metal plate Ø 120 mm
approx. 50 %
Metal plate Ø 85 mm
approx. 40%
On rectangular carrier plates, the range depends on the mounting orientation of the
transponder
You will find more detailed information on the range in the section "Minimum distances and
maximum ranges (Page 55)".