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Table Of Contents - Siemens SIMATIC RF 300 System Manual

Rfid systems.
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Table of contents

1
Introduction............................................................................................................................................. 1-1
1.1
Navigating in the system manual ............................................................................................... 1-2
2
Safety information................................................................................................................................... 2-1
3
System overview..................................................................................................................................... 3-1
3.1
RFID systems............................................................................................................................. 3-1
3.2
RF 300 ....................................................................................................................................... 3-2
3.2.1
RF 300 application areas ........................................................................................................... 3-2
3.2.2
RFID components and their function ......................................................................................... 3-3
3.2.3
Technical data............................................................................................................................ 3-4
4
RF 300 system planning ......................................................................................................................... 4-1
4.1
Fundamentals of application planning ....................................................................................... 4-1
4.1.1
Transmission window and read/write distance .......................................................................... 4-2
4.1.2
Width of the transmission window.............................................................................................. 4-3
4.1.3
Impact of secondary fields ......................................................................................................... 4-3
4.1.4
Permissible directions of motion of the transponder.................................................................. 4-4
4.1.5
Operation in static and dynamic mode ...................................................................................... 4-5
4.1.6
Dwell time of the transponder .................................................................................................... 4-6
4.1.7
4.1.8
Calculation example................................................................................................................... 4-9
4.2
Field data of transponders and readers................................................................................... 4-12
4.3
4.4
Installation guidelines............................................................................................................... 4-14
4.4.1
Overview .................................................................................................................................. 4-14
4.4.2
Reduction of interference due to metal.................................................................................... 4-15
4.4.3
Effects of metal on different transponders and readers........................................................... 4-18
4.4.4
Impact on the transmission window by metal .......................................................................... 4-19
4.5
Chemical resistance of the transponders ................................................................................ 4-21
4.6
EMC Guidelines ....................................................................................................................... 4-26
4.6.1
Overview .................................................................................................................................. 4-26
4.6.2
Definition .................................................................................................................................. 4-27
4.6.3
Basic rules................................................................................................................................ 4-28
4.6.4
Propagation of electromagnetic interference ........................................................................... 4-29
4.6.5
Cabinet configuration ............................................................................................................... 4-32
4.6.6
Prevention of interference sources .......................................................................................... 4-35
4.6.7
Equipotential bonding .............................................................................................................. 4-36
4.6.8
Cable shielding......................................................................................................................... 4-37
RF 300
iii

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