User's Manual Part 1

SIMATIC RF300
System Manual, 09/2007, J31069 D0166-U001-A5-7618
5
Table of contents
1 Introduction.............................................................................................................................................. 11
1.1 Navigating in the system manual.................................................................................................
11
1.2 Preface.........................................................................................................................................
12
2 Safety information....................................................................................................................................
13
3 System overview......................................................................................................................................
15
3.1 RFID systems...............................................................................................................................
15
3.2 RF300 ..........................................................................................................................................
16
3.2.1 RF300 system overview...............................................................................................................
16
3.2.2 Application areas of RF300..........................................................................................................
17
3.2.3 RFID components and their function ...........................................................................................
18
3.2.4 Technical data..............................................................................................................................
19
4 RF300 system planning...........................................................................................................................
21
4.1 Fundamentals of application planning .........................................................................................
21
4.1.1 Selection criteria for SIMATIC RF300 components.....................................................................
21
4.1.2 Transmission window and read/write distance ............................................................................
22
4.1.3 Width of the transmission window................................................................................................
26
4.1.4 Impact of secondary fields ...........................................................................................................
26
4.1.5 Permissible directions of motion of the transponder....................................................................
27
4.1.6 Operation in static and dynamic mode ........................................................................................
28
4.1.7 Dwell time of the transponder ......................................................................................................
29
4.1.8 Communication between communication module, reader (with IQ-Sense interface) and
transponder..................................................................................................................................
30
4.1.9 Calculation example (IQ-Sense)..................................................................................................
31
4.1.10 Communication between communication module, reader (with RS422 interface) and
transponder..................................................................................................................................
33
4.1.11 Calculation example (RS422) ......................................................................................................
35
4.2 Field data for transponders, readers and antennas.....................................................................
37
4.3 Relationship between the volume of data and the transponder speed .......................................
41
4.3.1 RF310R with IQ-Sense ................................................................................................................
41
4.3.2 RF310R with RS422 ....................................................................................................................
42
4.3.3 RF340R and RF350R ..................................................................................................................
44
4.3.4 RF380R........................................................................................................................................
49
4.4 Installation guidelines...................................................................................................................
54
4.4.1 Overview ......................................................................................................................................
54
4.4.2 Reduction of interference due to metal........................................................................................
55
4.4.3 Effects of metal on different transponders and readers...............................................................
58
4.4.4 Impact on the transmission window by metal ..............................................................................
58
4.5 Chemical resistance of the transponders ....................................................................................
65