Echelon LONWORKS FT 5000, Руководство пользователя

Страница: 7 / 55

LonWorks Twisted Pair Control Module User's Guide vii
Table of Contents
Welcome ......................................................................................................... iii
Audience ........................................................................................................ iv
Related Documentation ................................................................................ iv
Reference Documentation .............................................................................. v
Chapter 1. Electrical Interface ...................................................................... 1
FT 5000 Control Module ................................................................................ 2
JP1 Connector .......................................................................................... 2
Neuron 3150 Control Modules ...................................................................... 3
P1 and P2 Connector Terminals ............................................................. 4
Reset Pin ......................................................................................................... 5
Service Pin ...................................................................................................... 6
Chapter 2. Mechanical Considerations ....................................................... 7
FT 5000 Control Module ................................................................................ 8
Floorplan Layout ..................................................................................... 8
Mechanical Footprint .............................................................................. 8
Neuron 3150 Control Module ........................................................................ 8
Mechanical Footprint .............................................................................. 9
Chapter 3. Power Requirements ................................................................. 15
FT 5000 Control Module .............................................................................. 16
Control Module Power Requirements .................................................. 16
Neuron 3150 Control Modules .................................................................... 16
Control Module Power Requirements .................................................. 16
Chapter 4. Network Cabling and Connection .......................................... 19
Performance Characteristics and Cabling .................................................. 20
Free Topology TP/FT-10 and TP/FT-10F .................................................... 20
Wire Characteristics .............................................................................. 21
Cable Terminations – Free Topology ................................................... 21
Cable Terminations – Doubly Terminated Bus ................................... 21
TP/XF-78, TP/XF-78F, and TP/XF-1250 ..................................................... 22
Wire Characteristics .............................................................................. 22
Device Distribution Rule for TP/XF-1250 Segments ........................... 22
Cable Terminations – TP/XF-78, -1250 Segments .............................. 24
Chapter 5. Design Issues ............................................................................... 27
EMI Design Issues ....................................................................................... 28
Designing Systems for EMC ........................................................................ 28
EMC Design Tips ................................................................................... 28
FT 5000 Control Module PC Board Layout Guidelines ...................... 29
Neuron 3150 Control Module Keepout Areas ...................................... 31
ESD Design Issues ....................................................................................... 32
Designing Systems for ESD Immunity ................................................ 33
Designing for Interoperability ..................................................................... 34
Chapter 6. Programming Considerations ................................................. 35
External Memory Considerations ............................................................... 36
FT 5000 Control Module ....................................................................... 36
Using an Aardvark I2C/SPI Host Adapter .................................... 36
Clearing the Non-Volatile Memory ................................................ 37
Neuron 3150 Control Modules .............................................................. 38