National Instruments NI 2590/2591 user manual Contents

©NationalInstruments Corporation vii NI2590/2591 User Manual
Contents
Chapter 1
Routing Signals with Your NI 2590/2591
About the NI 2590/2591 ................................................................................................ 1-1
Triggers............................................................................................................1-1
RFSwitching Precautions ..............................................................................................1-2
ContactProtection ..........................................................................................................1-2
ConnectingSignals ........................................................................................................1-3
NI2590 Front Connector.................................................................................1-3
NI2591 Front Connector.................................................................................1-4
Software Choices ...........................................................................................................1-5
NI-SWITCH Driver Software .........................................................................1-5
NationalI nstruments Application Software....................................................1-5
Third-PartySoftware .......................................................................................1-6
Cablingand Accessory Requirements ...........................................................................1-6
Chapter 2
NI 2590/2591 Operation
SafetyInstructions .........................................................................................................2-1
FunctionalOverview ......................................................................................................2-2
RelayOperation .............................................................................................................2-5
NI2590 Operation ...........................................................................................2-5
NI2591 Operation ...........................................................................................2-5
SwitchControl Circuitry ................................................................................................2-6
RandomScanning ..........................................................................................................2-6
PXIInterface ..................................................................................................................2-7
PXITriggers ....................................................................................................2-7
External Trigger Input.......................................................................2-7
ScannerAdvanced .............................................................................2-7
Modes................................................................................................2-8
InitiatingScanning...........................................................................................2-8
MultiboardTriggering .....................................................................................2-8
Appendix A
Specifications
Appendix B
Servicing Your Module