Appendix
A.1 Planning and installation of UHF read points
SIMATIC RF650R/RF680R/RF685R
312 Configuration Manual, 03/2018, C79000-G8976-C386-06
Make sure that the engineers commissioning the UHF RFID systems are adequately trained.
Metals and absorbent materials have a major influence on the functioning of UHF RFID
systems. Since every environment has different conditions, we recommend that you run a
test with all the objects to be identified for each read point. Include neighboring readers in
these tests as well as scenarios for overshoots. Run through the tests an adequate number
of times to make sure that any sporadically occurring influences on the antenna fields are
also tested.
The final position of the transponder should only be decided after an adequately intensive
test phase so that suitable variations can be tried out if errors occur.
Setting up read points
Adjust antennas
Follow the steps below to optimize the antenna alignment:
1. Position the object fitted with a transponder and to be identified at the required read point.
2. Align the reader or the antenna so that its front points in the direction of the object
(transponder) to be identified.
Keep to the minimum distances between antennas and transponders to avoid antenna
errors.
When using linear antennas, make sure the polarization direction is correct.
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