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1 About this document............................................................................................................................... 4
1.1 Purpose of this document ........................................................................................................................ 4
1.2 Target audience ....................................................................................................................................... 4
1.3 Products covered ..................................................................................................................................... 4
1.4 Warning notices and warning symbols..................................................................................................... 4
1.4.1 Warning levels.......................................................................................................................................... 4
2 General safety instructions .................................................................................................................... 5
2.1 EU declaration of conformity.................................................................................................................... 6
3 System description ................................................................................................................................. 7
4 Functional description ............................................................................................................................ 8
4.1 Wireless WPB - WSB communication ..................................................................................................... 8
4.2 Hardware features ................................................................................................................................... 8
4.2.1 WPB......................................................................................................................................................... 8
4.2.1.1 Reset button............................................................................................................................................. 8
4.2.1.2 Status LED operation............................................................................................................................... 9
4.2.2 WSB......................................................................................................................................................... 9
4.3 Output power and de-rating ................................................................................................................... 10
4.3.1 Output operating area ............................................................................................................................ 10
4.3.2 Power vs. input voltage.......................................................................................................................... 10
4.3.3 Power vs. ambient temperature ..............................................................................................................11
4.3.4 WPP & WSP Physical Positioning ..........................................................................................................12
4.4 Efficiency and losses.............................................................................................................................. 12
................................................................................................................. 12
4.4.2 Temperature of the WPP
4.4.1 Factors that influence losses
........................................................................................................................ 13
4.5 Operating limits ...................................................................................................................................... 13
4.6 Physical dimensions .............................................................................................................................. 14
4.6.1 WPU....................................................................................................................................................... 14
4.6.2 WSU....................................................................................................................................................... 14
5 Installation.............................................................................................................................................. 15
5.1 WPB....................................................................................................................................................... 15
5.1.1 Description ............................................................................................................................................. 15
5.1.2 Mounting pattern .................................................................................................................................... 15
5.2 WSB....................................................................................................................................................... 16
5.2.1 Mounting pattern .................................................................................................................................... 16
5.3 WPP and WSP....................................................................................................................................... 16
5.3.1 Mounting pattern .................................................................................................................................... 17
5.4 Metal near the pads ............................................................................................................................... 17
5.4.1 Mounting to aluminium........................................................................................................................... 18
5.4.2 Mounting to ferrous metal ...................................................................................................................... 18
5.5 Installation of multiple pads.................................................................................................................... 19
5.6 User Considerations .............................................................................................................................. 20
5.6.1 ..................................................................................... 20
5.7 Description of connections..................................................................................................................... 22
5.7.1 WPU: AC Input....................................................................................................................................... 22
5.7.2 WPU: Earth stud .................................................................................................................................... 22
5.7.3 WSU: DC Output.................................................................................................................................... 22
5.7.4 WSU: CAN bus connector ..................................................................................................................... 23
5.7.5 WSU: External control connector ......................................................................................................... 23
Critical RF Exposure Installation Requirements