Table Of Contents - Siemens SIMATIC MOBY D System Manual

Rfid systems
Table of Contents

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Table of contents

1
Introduction.............................................................................................................................................. 13
1.1
Preface.........................................................................................................................................13
1.2
Navigating in the system manual .................................................................................................15
1.3
Overview ......................................................................................................................................16
1.4
Main applications .........................................................................................................................17
2
Safety information/instructions................................................................................................................. 19
2.1
General safety instructions ..........................................................................................................19
3
System overview...................................................................................................................................... 21
3.1
System overview for MOBY D .....................................................................................................21
4
Planning the MOBY D system ................................................................................................................. 25
4.1
Fundamentals of application planning .........................................................................................25
4.1.1
Transmission window and read/write distance ............................................................................25
4.1.2
Width of the transmission window................................................................................................27
4.1.3
Transmission window with auxiliary fields ...................................................................................27
4.1.4
Permissible directions of motion of the MDS ...............................................................................29
4.1.5
Operation in static and dynamic mode ........................................................................................30
4.1.6
Communication between ASM, write/read device and MDS .......................................................31
4.1.7
Tolerance of tracking of pallet......................................................................................................32
4.2
Field data .....................................................................................................................................33
4.2.1
Field data for MDS and SLG........................................................................................................33
4.2.2
Minimum spacing .........................................................................................................................37
4.3
Installation guidelines...................................................................................................................38
4.3.1
Overview ......................................................................................................................................38
4.3.2
Permissible mounting material.....................................................................................................38
4.3.3
Metal-free area.............................................................................................................................40
4.3.4
Influences affecting the transmission window..............................................................................43
4.3.4.1
MDS in metal-free environment ...................................................................................................49
4.3.4.2
MDS in the vicinity of metal..........................................................................................................50
4.3.5
Reduction of interference due to metal........................................................................................51
4.3.6
Mounting of multiple antennas on or between metal frames .......................................................53
4.3.7
write/read device..........................................................................................................................54
4.4
Chemical resistance of the MDS..................................................................................................61
4.5
EMC Guidelines ...........................................................................................................................68
4.5.1
Overview ......................................................................................................................................68
4.5.2
What does EMC mean?...............................................................................................................69
4.5.3
Basic rules....................................................................................................................................70
4.5.4
Propagation of electromagnetic interference ...............................................................................71
4.5.5
Cabinet configuration ...................................................................................................................75
4.5.6
Prevention of interference sources ..............................................................................................78
4.5.7
Equipotential bonding ..................................................................................................................79
4.5.8
Ground-fault monitoring with MOBY ............................................................................................80
MOBY D
System Manual, 01/2010, J31069-D0147-A6-7618
5

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