Siemens SIMATIC RF600 System Manual page 4

Table of contents
4.3.9.4 Types of antenna ................................................................................................................... 53
4.3.9.5 Antenna cables ...................................................................................................................... 53
4.4 Minimum distances and maximum ranges ............................................................................ 55
4.4.1 Configurations of antenna and transponder .......................................................................... 55
4.4.2 Effects of the materials of the mounting surfaces on the range ............................................ 58
4.4.3 Maximum read/write ranges of transponders ........................................................................ 59
4.4.4 Minimum distances between antennas and transponders .................................................... 65
4.4.5 Influence of electrically conductive walls on the range .......................................................... 65
4.5 Environmental conditions for transponders ........................................................................... 66
4.6 The response of electromagnetic waves in the UHF band .................................................... 66
4.6.1 The effect of reflections and interference .............................................................................. 66
4.6.2 Influence of metals ................................................................................................................. 67
4.6.3 Influence of liquids and non-metallic substances .................................................................. 68
4.6.4 Influence of external components .......................................................................................... 68
4.7 Planning and installation of UHF read points ......................................................................... 69
4.7.1 Technical basics..................................................................................................................... 69
4.7.2 Implementation of UHF RFID installations ............................................................................. 72
4.7.2.1 Preparation phase .................................................................................................................. 72
4.7.2.2 Test phase ............................................................................................................................. 73
4.7.2.3 Setting up read points ............................................................................................................ 74
4.7.3 Dealing with field disturbances .............................................................................................. 77
4.7.3.1 Types and approaches to solutions ....................................................................................... 77
4.7.3.2 Measures for eliminating field disturbances ........................................................................... 78
4.8 Chemical resistance of the readers and transponders .......................................................... 80
4.8.1 Readers .................................................................................................................................. 80
4.8.1.1 Overview of the readers and their housing materials ............................................................ 80
4.8.1.2 Pocan CF2200 ....................................................................................................................... 81
4.8.2 Transponder ........................................................................................................................... 83
4.8.2.1 Overview of the transponders and their housing materials ................................................... 83
4.8.2.2 Acrylonitrile/butadiene/styrene (ABS) .................................................................................... 83
4.8.2.3 Polyamide 12 (PA12) ............................................................................................................. 84
4.8.2.4 Polyamide 6.6 (PA 6.6) .......................................................................................................... 86
4.8.2.5 Polyamide 6.6 GF (PA 6.6 GF) .............................................................................................. 87
4.8.2.6 Polyethylene terephthalate (PET) .......................................................................................... 89
4.8.2.7 Polypropylene (PP) ................................................................................................................ 91
4.8.2.8 Polyphenylene sulfide (PPS) ................................................................................................. 95
4.8.2.9 Polyvinyl chloride (PVC) ........................................................................................................ 96
4.9 Regulations applicable to frequency bands ........................................................................... 97
4.10 Guidelines for electromagnetic compatibility (EMC) .............................................................. 97
4.10.1 Overview ................................................................................................................................ 97
4.10.2 What does EMC mean? ......................................................................................................... 98
4.10.3 Basic rules .............................................................................................................................. 99
4.10.4 Propagation of electromagnetic interference ....................................................................... 100
4.10.5 Equipotential bonding .......................................................................................................... 102
4.10.6 Cable shielding..................................................................................................................... 103
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System Manual, 06/2019, J31069-D0171-U001-A22-7618
SIMATIC RF600