National Instruments NI 2590/2591 - Manual (Page 7)

© National Instruments Corporation vii NI 2590/2591 User Manual
Contents
Chapter 1
Routing Signals with Your NI 2590/2591
About the NI 2590/2591 ................................................................................................1-1
Triggers............................................................................................................1-1
RF Switching Precautions..............................................................................................1-2
Contact Protection..........................................................................................................1-2
Connecting Signals ........................................................................................................1-3
NI 2590 Front Connector.................................................................................1-3
NI 2591 Front Connector.................................................................................1-4
Software Choices ...........................................................................................................1-5
NI-SWITCH Driver Software .........................................................................1-5
National Instruments Application Software ....................................................1-5
Third-Party Software .......................................................................................1-6
Cabling and Accessory Requirements ...........................................................................1-6
Chapter 2
NI 2590/2591 Operation
Safety Instructions .........................................................................................................2-1
Functional Overview......................................................................................................2-2
Relay Operation .............................................................................................................2-5
NI 2590 Operation...........................................................................................2-5
NI 2591 Operation...........................................................................................2-5
Switch Control Circuitry................................................................................................2-6
Random Scanning ..........................................................................................................2-6
PXI Interface..................................................................................................................2-7
PXI Triggers ....................................................................................................2-7
External Trigger Input.......................................................................2-7
Scanner Advanced.............................................................................2-7
Modes................................................................................................2-8
Initiating Scanning...........................................................................................2-8
Multiboard Triggering .....................................................................................2-8
Appendix A
Specifications
Appendix B
Servicing Your Module