User manual

midon design
1-Wire Application Guide v1.04 Page 2 of 41
Table of Contents
List of Tables ....................................................................................................... 3
List of Figures...................................................................................................... 3
1 Introduction ........................................................................................................5
2 1-Wire Installations ............................................................................................6
2.1 1-Wire – What is it? ........................................................................................ 6
2.2 Types of 1-Wire Networks .............................................................................. 6
2.2.1 Bus Network ................................................................................................ 6
2.2.2 Star Network ................................................................................................ 7
2.2.3 Bus and Star Networks ................................................................................ 9
2.3 How to Wire Networks Properly.................................................................... 10
2.3.1 Types of interconnect cabling .................................................................... 10
2.3.2 Connectors or Not?.................................................................................... 13
2.4 Trouble-Shooting Network Problems............................................................ 14
3 Weather Monitoring..........................................................................................16
3.1 Types of Weather Sensors ........................................................................... 16
3.2 Temperature Sensors ................................................................................... 16
3.2.1 DS18S20 ................................................................................................... 16
3.2.2 DS18S20-PAR ........................................................................................... 16
3.2.3 DS18B20 ................................................................................................... 17
3.2.4 DS1822...................................................................................................... 17
3.2.5 DS2438...................................................................................................... 17
3.2.6 Summary ................................................................................................... 17
3.3 Rain Gauge .................................................................................................. 18
3.4 Wind Speed .................................................................................................. 19
3.5 Wind Direction.............................................................................................. 20
3.6 Humidity Sensor ........................................................................................... 23
3.7 Barometric Sensor........................................................................................ 23
3.8 Lightning Sensor .......................................................................................... 26
3.9 Solar Sensor................................................................................................. 27
4 Environmental Sensors....................................................................................29
4.1 Relay Driver.................................................................................................. 29
4.2 Contact Sensor............................................................................................. 29
4.3 Counter Sensor ............................................................................................ 31
4.4 Indicator Sensor ........................................................................................... 33
4.5 Current Sensor ............................................................................................. 33
4.5.1 HVAC Monitor ............................................................................................ 34
4.6 1-Wire Devices Not Supported by TEMP08 ................................................. 35
4.6.1 Moisture Sensor......................................................................................... 35
4.6.2 LCD Display............................................................................................... 35
4.6.3 1-Wire Hub................................................................................................. 35
4.6.4 Thermocouple Sensor................................................................................ 35
4.7 Sensor Compatibility .................................................................................... 35
4.8 1-Wire Devices and Availability .................................................................... 36
5 Connecting To a PC .........................................................................................38
5.1 What software is available............................................................................ 38
5.1.1 HomeSeer.................................................................................................. 38