MOBY D 
System Manual, 01/2010, J31069-D0147-A6-7618 
5 
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  Installation and interconnection of 2, 3 or 4 MOBY D antennas to one SLG D10/D10S 
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