Siemens SIMATIC RF600 System Manual page 6

Table of contents
4.3.9.2 Preconditions for selecting RFID UHF antennas ........................................................................ 54
4.3.9.3 General application planning....................................................................................................... 54
4.3.9.4 Antennas ..................................................................................................................................... 57
4.3.9.5 Antenna cables ........................................................................................................................... 68
4.3.9.6 Application example .................................................................................................................... 70
4.4 Environmental conditions for transponders/tags......................................................................... 71
4.5 The response of electromagnetic waves in the UHF band ......................................................... 72
4.5.1 The effect of reflections and interference.................................................................................... 72
4.5.2 Influence of metals ...................................................................................................................... 72
4.5.3 Influence of liquids and non-metallic substances........................................................................ 73
4.5.4 Influence of external components ............................................................................................... 73
4.6 Regulations applicable to frequency bands ................................................................................ 74
4.6.1 Regulations for UHF frequency bands in Europe ....................................................................... 74
4.6.2 Regulations for UHF frequency ranges in Argentina .................................................................. 75
4.6.3 Regulations for UHF frequency ranges in Bolivia ....................................................................... 75
4.6.4 Regulations for UHF frequency ranges in Brazil......................................................................... 75
4.6.5 Regulations for UHF frequency ranges in Canada ..................................................................... 75
4.6.6 Regulations for UHF frequency bands in China.......................................................................... 76
4.6.7 Regulations for UHF frequency ranges in India .......................................................................... 77
4.6.8 Regulations for UHF frequency ranges in Mexico ...................................................................... 77
4.6.9 Regulations for UHF frequency ranges in Russia....................................................................... 78
4.6.10 Regulations for UHF frequency bands in Singapore (866-869 MHz band) ................................ 79
4.6.11 Regulations for UHF frequency ranges in South Africa .............................................................. 79
4.6.12 Regulations for UHF frequency ranges in South Korea.............................................................. 80
4.6.13 Regulations for UHF frequency bands in Thailand ..................................................................... 81
4.6.14 Regulations for UHF frequency bands in the USA ..................................................................... 81
4.7 Guidelines for electromagnetic compatibility (EMC) ................................................................... 82
4.7.1 Overview ..................................................................................................................................... 82
4.7.2 What does EMC mean? .............................................................................................................. 82
4.7.3 Basic rules................................................................................................................................... 83
4.7.4 Propagation of electromagnetic interference .............................................................................. 85
4.7.5 Prevention of interference sources ............................................................................................. 87
4.7.6 Equipotential bonding.................................................................................................................. 88
4.7.7 Cable shielding............................................................................................................................ 89
5 Readers ................................................................................................................................................... 93
5.1 RF620R reader ........................................................................................................................... 94
5.1.1 Description .................................................................................................................................. 94
5.1.1.1 Ordering data .............................................................................................................................. 95
5.1.1.2 Status display.............................................................................................................................. 97
5.1.1.3 Pin assignment of the RS422 interface....................................................................................... 98
5.1.1.4 Pin assignment of the connecting cable ..................................................................................... 98
5.1.1.5 Grounding connection ................................................................................................................. 99
5.1.2 Planning application .................................................................................................................... 99
5.1.2.1 Minimum mounting clearances of two readers ........................................................................... 99
5.1.2.2 Antenna diagram for RF620R (ETSI)........................................................................................ 100
5.1.2.3 Antenna diagram for RF620R (FCC) ........................................................................................ 103
5.1.2.4 Interpretation of directional radiation patterns........................................................................... 106
5.1.2.5 Antenna/read point configurations ............................................................................................ 106
5.1.3 Installing/Mounting .................................................................................................................... 107
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System Manual, 05/2012, J31069-D0171-U001-A13-7618
SIMATIC RF600