Contents
SC-207X Series User Manual
vi
© National Instruments Corporation
Differential Measurements.................................................................................2-22
An Example of Using Thermocouples in Differential Mode.............................2-22
Single-Ended Measurements..............................................................................2-23
An Example of Using Thermocouples in Single-Ended Mode..........................2-23
Sources of Error .................................................................................................2-24
Thermocouple Measurement Accuracies...........................................................2-25
Additional Signal Connection Information....................................................................2-25
Chapter 3
SC-2071 Board
.................................................................................................................... 3-1
Analog Input ..................................................................................................................3-2
Temperature Sensor .......................................................................................................3-4
Shield Ground ................................................................................................................3-4
Fuse and Power LED .....................................................................................................3-4
Digital and Timing Signals ............................................................................................3-5
Board-to-Board Cabling.................................................................................................3-5
Mounting........................................................................................................................3-7
Applications ...................................................................................................................3-7
Soldering and Desoldering on the SC-2071 Board............................................3-7
Connecting Floating Signal Sources..................................................................3-8
Connecting Grounded Signal Sources ...............................................................3-8
Building Lowpass Filters ...................................................................................3-8
Building Highpass Filters...................................................................................3-10
Building Attenuators (Voltage Dividers)...........................................................3-12
Working with Thermocouples .......................................................................................3-14
Using the SC-2071 Board for Thermocouple Measurements........................................3-15
Input Filtering and Broken Thermocouple Detection (Optional) ......................3-15
Selecting the Gain and Input Ranges .................................................................3-16
Linearizing the Data...........................................................................................3-17
Measurement Connections.................................................................................3-18
An Example of Using Thermocouples...............................................................3-19
Sources of Error .................................................................................................3-19
Thermocouple Measurement Accuracies...........................................................3-20
Additional Signal Connection Information....................................................................3-21
Chapter 4
SC-2072 Board
.................................................................................................................... 4-1
Signal Connections ........................................................................................................4-3
Power Connections ........................................................................................................4-4
Fuses and Power LED....................................................................................................4-5
Board-to-Board Cabling.................................................................................................4-6
Mounting........................................................................................................................4-7
Soldering and Desoldering on the SC-2072 Board........................................................4-7
Summary of Contents for SC-207 Series
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