You will find detailed information on the minimum distances between antennas in the
respective antenna sections.
Note
Effect on inductive fields by not maintaining the minimum distances of the readers
If the values fall below the values specified in the "Minimum distance readers" and "Minimum
distances antennas" tables , there is a risk of the function being affected by inductive fields. In
this case, the data transfer time would increase unpredictably or a command would be aborted
with an error.
Keeping to the values specified in the "Minimum distance readers" and "Minimum distances
antennas" tables is therefore essential.
If the specified minimum distance cannot be complied with due to the physical configuration,
the SET-ANT command can be used to activate and deactivate the RF field of the reader. The
application software must be used to ensure that only one reader is active (antenna is switched
on) at a time.
Note
Please also observe the graphic representations of the minimum distances in the respective
chapters on readers.
4.3
Installation guidelines
4.3.1
Overview
The transponder and reader complete with their antennas are inductive devices. Any type of
metal in the vicinity of these devices affects their functionality. Some points need to be
considered during planning and installation if the values described in the "Field data (Page 49)"
section are to retain their validity:
• Minimum spacing between two readers or their antennas
• Minimum distance between two adjacent data memories
• Metal-free area for flush-mounting of readers or their antennas and transponders in metal
• Mounting of multiple readers or their antennas on metal frames or racks
The following sections describe the impact on the operation of the RFID system when mounted
in the vicinity of metal.
Planning the RF300 system
4.3 Installation guidelines
SIMATIC RF300
System Manual, 02/2021, C79000-G8976-C345-09
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