National Instruments AT-MIO-16 User Manual

Contents

National Instruments AT-MIO-16 User Manual Manual pdf 6 page image

ContentsAT-MIO-16 User Manual vi © National Instruments CorporationAnalog Input Signal Connections ........................................................ 3-4Types of Signal Sources....................................................................... 3-5Floating Signal Sources ........................................................... 3-6Ground-Referenced Signal Sources ......................................... 3-6Input Configurations ............................................................................ 3-6Differential Connection Considerations(DIFF Configuration) ............................................................... 3-7Differential Connections for Grounded Signal Sources .......... 3-8Differential Connections for Floating Signal Sources ............. 3-8Single-Ended Connection Considerations ............................... 3-10Single-Ended Connections for Floating Signal Sources(RSE Configuration) ................................................................ 3-10Single-Ended Connections for Grounded Signal Sources(NRSE Configuration) ............................................................. 3-11Common-Mode Signal Rejection Considerations.................... 3-11Analog Output Signal Connections...................................................... 3-12Digital I/O Signal Connections ........................................................................ 3-13Timing I/O Signals ........................................................................................... 3-15RTSI Bus Signal Connections.......................................................................... 3-15Power Connections .......................................................................................... 3-16Timing Connections ......................................................................................... 3-16Data Acquisition Timing Connections................................................. 3-16General-Purpose Timing Signal Connections ...................................... 3-19Cabling and Field Wiring............................................................................................. 3-25Field Wiring Considerations ............................................................................ 3-25Cabling Considerations .................................................................................... 3-26Chapter 4Calibration Procedures ....................................................................................................4-1Calibration Equipment Requirements .......................................................................... 4-1Calibration Trimpots .................................................................................................... 4-2Analog Input Calibration ............................................................................................. 4-3Board Configuration ........................................................................................ 4-4Bipolar Input Calibration Procedure ................................................................ 4-41. Adjust the Amplifier Input Offset ................................................... 4-42. Adjust the ADC Input Offset .......................................................... 4-43. Adjust the Analog Input Gain ......................................................... 4-5Unipolar Input Calibration Procedure .............................................................. 4-51. Adjust the Amplifier Input Offset ................................................... 4-52. Adjust the ADC Input Offset .......................................................... 4-63. Adjust the Analog Input Gain ......................................................... 4-6Analog Output Calibration ........................................................................................... 4-6Board Configuration ........................................................................................ 4-7Bipolar Output Calibration Procedure ............................................................. 4-71. Adjust the Analog Output Offset .................................................... 4-72. Adjust the Analog Output Gain ...................................................... 4-8Unipolar Output Calibration Procedure ........................................................... 4-81. Adjust the Analog Output Offset .................................................... 4-82. Adjust the Analog Output Gain ...................................................... 4-9