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Echelon FT 3150 Smart Transceiver User Manual

Page 5

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FT 3120 / 3150 Smart Tranceiver Data Book

iii

Chapter 4 - Hardware Design Considerations .................................................91

Introduction .....................................................................................................92
Quick Start for Users Familiar With The FTT-10A Transceiver ...................92
Interface Between Smart Transceivers and the Network ................................93
PC Board Layout Guidelines ..........................................................................95
EMI Design Issues ..........................................................................................98
ESD Design Issues ........................................................................................101
Lightening Protection ...................................................................................102

Building Entrance Protection ..................................................................102
Network Line Protection .........................................................................102
Shield Protection .....................................................................................103
Suggested Gas Discharge Arresters ........................................................103

EN 61000-4 Electromagnetic Compatibility (EMC) Testing .......................104

Chapter 5 - Network Cabling and Connections .............................................109

Network Connection .....................................................................................110
Network Topology Overview .......................................................................110
System Performance and Cable Selection ....................................................111

System Specifications .............................................................................112
Transmission Specifications ...................................................................112

Cable Termination and Shield Grounding ....................................................113

Free Topology Network Segment ...........................................................113
Doubly Terminated Bus Topology Segment ..........................................113
Grounding Shielded Twisted Pair Cable ................................................114

Chapter 6 - Programming Considerations .....................................................115

Application Program Development and Export ............................................116
LonBuilder Developers Kit ...........................................................................116

Development Hardware Setup ................................................................116
Release Hardware Setup .........................................................................118

NodeBuilder Development Tool ...................................................................118

Development Hardware Setup ................................................................118
Release Hardware Setup .........................................................................119

Appendix A - FT Smart Transceiver Design Checklist .................................121

Introduction ...................................................................................................122
Device Checklist ...........................................................................................122

Appendix B - Qualified TP/FT-10 Cable Specifications and Sources ..........125

Introduction ...................................................................................................126
Qualified Cables ...........................................................................................126

Category 5 Cable Specifications .............................................................126
NEMA Level IV Cable Specifications ...................................................126
16AWG/1.3mm “Generic” Cable Specifications ...................................128

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