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Siemens SIMATIC RF685R User Manual

Siemens SIMATIC RF685R
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Transponder
7.15 SIMATIC RF682T
SIMATIC RF600
442 System Manual, 11/2018, J31069-D0171-U001-A21-7618
NOTICE
Mounting at a high temperature
To relieve mechanical strain or tension on the transponder, when using the transponder at
temperatures > 80 °C the transponder should be mechanically separated from the
supporting surface by using the mounting brackets (due to the differing expansion
coefficients of all materials).
7.15.3.3 Range when mounted on flat metallic carrier plates
The transponder generally has linear polarization. The polarization axis runs as shown in the
diagram below. The polarization axis of the transponder should always run parallel to the
polarization axis of the antenna to achieve optimum distances and results.
If the transponder is centrally mounted on a plane metal plate, which may either be almost
square or circular, it can be aligned in any direction if the transmitting and receiving antennas
operate with circular polarization (such as the RF650A).
Figure 7-43 Optimum positioning of the transponder on a (square or circular) metal plate
The metal plate must have a minimum diameter of 150 x 150 mm. Smaller surfaces can
cause a reduction of the read/write distances.
On rectangular carrier plates, the range depends on the mounting orientation of the
transponder.

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Siemens SIMATIC RF685R Specifications

General IconGeneral
BrandSiemens
ModelSIMATIC RF685R
CategoryRfid Systems
LanguageEnglish

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