RF200 system planning
4.1 Fundamentals of application planning
SIMATIC RF200
30 System Manual, 07/2015, J31069-D0227-U001-A9-7618
Secondary fields without shielding
The following graphic shows typical primary and secondary fields, if no shielding measures
are taken.
Figure 4-4 Secondary field without shielding
In this arrangement, the reader can also read tags via the secondary field. Shielding is
required in order to prevent unwanted reading via the secondary field, as shown and
described in the following.