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Installation Guidelines; Overview; Reduction Of Interference Due To Metal - Siemens SIMATIC RF300 System Manual

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4.4

Installation guidelines

4.4
4.4.1

Overview

The transponder and reader complete with their antennas are inductive devices. Any type of
metal, in particular iron and ferromagnetic materials, in the vicinity of these devices will affect
their operation. Some points need to be considered during planning and installation if the
values described in the "Field data" 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 identification system when
mounted in the vicinity of metal.
4.4.2

Reduction of interference due to metal

Interference due to metal rack
SIMATIC RF300
System Manual, Release 04/2006, J31069 D0166-U001-A2-7618
RF300 system planning
4.4 Installation guidelines
Problem
A metal rack is located above the
transmission window of the reader.
This affects the entire field. In
particular, the transmission window
between reader and transponder is
reduced.
Remedy:
The transmission window is no
longer affected if the transponder is
mounted differently.
4-29

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