User manual

Contents
NI-DAQ User Manual for PC Compatibles viii ni.com
Chapter 4
NI-DAQ Double Buffering
Overview ....................................................................................................................... 4-1
Single-Buffered Versus Double-Buffered Data ............................................................ 4-1
Double-Buffered Input Operations................................................................................ 4-2
Potential Setbacks ........................................................................................... 4-4
Double-Buffered Output Operations ............................................................................. 4-6
Potential Setbacks ........................................................................................... 4-7
Double-Buffered Functions ........................................................................................... 4-9
Double Buffer Configuration Functions ......................................................... 4-10
Double Buffer Transfer Functions .................................................................. 4-10
Double Buffer HalfReady Functions .............................................................. 4-11
Conclusion..................................................................................................................... 4-12
Chapter 5
Transducer Conversion Functions
Function Descriptions.................................................................................................... 5-2
RTD_Convert and RTD_Buf_Convert ........................................................... 5-2
Parameter Discussion ....................................................................... 5-2
Using This Function ......................................................................... 5-3
Strain_Convert and Strain_Buf_Convert ........................................................ 5-4
Parameter Discussion ....................................................................... 5-4
Using This Function ......................................................................... 5-5
Thermistor_Convert and Thermistor_Buf_Convert........................................ 5-7
Parameter Discussion ....................................................................... 5-7
Using This Function ......................................................................... 5-8
Thermocouple_Convert and Thermocouple_Buf_Convert ............................ 5-9
Parameter Discussion ....................................................................... 5-9
Using This Function ......................................................................... 5-10
Appendix A
Technical Support Resources
Glossary
Index