Secondary fields with shielding
The following graphic shows typical primary and secondary fields, with metal shielding this
time.
The metal shielding prevents the reader from detecting tags via the secondary field.
①
②
Figure 4-5
SIMATIC RF200
System Manual, 07/2015, J31069-D0227-U001-A9-7618
Main field
Secondary field
Secondary field with shielding
RF200 system planning
4.1 Fundamentals of application planning
31