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 RF300
System Manual, 07/2017, C79000-G8976-C345-07
Main field
Secondary field
Secondary field with shielding
Planning the RF300 system
4.1 Fundamentals of application planning
45