Table Of Contents - Measurement Computing USB-TEMP User Manual

Table of Contents

Preface
About this User's Guide .......................................................................................................................v
What you will learn from this user's guide.........................................................................................................v
Conventions in this user's guide.........................................................................................................................v
Where to find more information .........................................................................................................................v
Chapter 1
Introducing the USB-TEMP .............................................................................................................. 1-1
Overview: USB-TEMP features ..................................................................................................................... 1-1
USB-TEMP block diagram............................................................................................................................. 1-2
Software features ............................................................................................................................................ 1-2
Connecting a USB-TEMP to your computer is easy ...................................................................................... 1-3
Chapter 2
Installing the USB-TEMP .................................................................................................................. 2-1
What comes with your USB-TEMP shipment? .............................................................................................. 2-1
Hardware ....................................................................................................................................................................... 2-1
Software......................................................................................................................................................................... 2-1
Documentation............................................................................................................................................................... 2-2
Unpacking the USB-TEMP ............................................................................................................................ 2-2
Installing the software .................................................................................................................................... 2-2
Installing the hardware ................................................................................................................................... 2-2
Configuring the USB-TEMP .......................................................................................................................... 2-3
Calibrating the USB-TEMP............................................................................................................................ 2-3
Chapter 3
Sensor Connections ......................................................................................................................... 3-1
Screw terminal pin out.................................................................................................................................... 3-1
Sensor input terminals (C0H/C0L to C7H/C7L)............................................................................................................ 3-2
Current excitation output terminals (±I1 to ±I4) ............................................................................................................ 3-2
Four-wire, two sensor common terminals (4W01 to 4W67).......................................................................................... 3-3
Two sensor common terminals (IC01 to IC67).............................................................................................................. 3-3
Ground terminals (GND) ............................................................................................................................................... 3-3
Power terminals (+5V)................................................................................................................................................... 3-3
Digital terminals (DIO0 to DIO7).................................................................................................................................. 3-3
CJC sensors.................................................................................................................................................................... 3-3
Thermocouple connections............................................................................................................................. 3-3
Wiring configuration...................................................................................................................................................... 3-3
RTD and thermistor connections .................................................................................................................... 3-4
Two-wire configuration ................................................................................................................................................. 3-4
Three-wire configuration ............................................................................................................................................... 3-5
Four-wire configuration ................................................................................................................................................. 3-6
Semiconductor sensor measurements ............................................................................................................. 3-7
Wiring configuration...................................................................................................................................................... 3-7
Digital I/O connections................................................................................................................................... 3-7
Chapter 4
Functional Details ............................................................................................................................. 4-1
Thermocouple measurements ......................................................................................................................... 4-1
Cold junction compensation (CJC) ................................................................................................................................ 4-1
Data linearization........................................................................................................................................................... 4-1
Open-thermocouple detection (OTD) ............................................................................................................................ 4-1
RTD and thermistor measurements ................................................................................................................ 4-2
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