National Instruments SCXI-1120 User Manual

Also see for SCXI-1120: Quick start guide User manual CALIBRATION PROCEDURE Instructions for safe use User guide

Contents

Contents© National Instruments Corporation vii SCXI-1120 User ManualSingle-Channel Measurements ..........................................................................5-3Direct Measurements .............................................................................5-3Parallel Output ...........................................................................5-3Multiplexed Output ....................................................................5-4Indirect Measurements ...........................................................................5-4Measurements from Other Modules ..........................................5-4Measurements from the SCXI-1120 via Another Module .........5-4Scanning Measurements ....................................................................................5-51. Data Acquisition Board Setup Programming....................................5-6Counter 1 and SCANDIV ..........................................................5-82. Module Programming ....................................................................... 5-8Single-Module Parallel Scanning............................................... 5-8Single-Module Multiplexed Scanning (Direct)..........................5-9Single-Module Multiplexed Scanning (Indirect) .......................5-9Channel Scanning from Other Modules.........................5-9Channel Scanning From the SCXI-1120 via AnotherModule ........................................................................... 5-9Multiple-Module Multiplexed Scanning.................................... 5-9Multiple-Chassis Scanning ........................................................5-103. Programming the Slot 0 Hardscan Circuitry .....................................5-104. Acquisition Enable, Triggering, and Servicing.................................5-12Scanning Examples ........................................................................................................5-12Example 1 ..........................................................................................................5-12Example 2 ..........................................................................................................5-13Example 3 ..........................................................................................................5-14Appendix ASpecifications ........................................................................................................................ A-1Analog Input .................................................................................................................. A-1Cold-Junction Sensor .....................................................................................................A-2Physical ..........................................................................................................................A-3Operating Environment .................................................................................................. A-3Storage Environment...................................................................................................... A-3Appendix BRear Signal Connector ...................................................................................................... B-1Rear Signal Connector Signal Descriptions ....................................................... B-2Appendix CSCXIbus Connector ........................................................................................................... C-1SCXIbus Connector Signal Descriptions ...........................................................C-3Appendix DSCXI-1120 Front Connector ........................................................................................... D-1Front Connector Signal Descriptions .............................................................................D-2