National Instruments PXIe-4357, Руководство пользователя

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Contents
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Chapter 3
PXI Express Considerations
NI SC Express Clock and Trigger Signals........................................................................3-1
PXIe_CLK100 ..........................................................................................................3-1
PXIe_SYNC100........................................................................................................3-1
PXI_CLK10 ..............................................................................................................3-1
PXI Triggers .............................................................................................................3-1
PXI_STAR Trigger...................................................................................................3-2
PXIe_DSTAR<A..C> ...............................................................................................3-2
Trigger Filters ...........................................................................................................3-3
Data Transfer Methods .....................................................................................................3-4
Appendix A
Technical Support and Professional Services
Figures
Figure 2-1. Input Circuit and RTD Wiring Diagram for One NI PXIe-4357
Channel..................................................................................................2-2
Figure 2-2. Connecting a Shielded RTD to the NI PXIe-4357 ................................2-3
Figure 2-3. NI PXIe-4357 Measurement Circuitry Diagram ...................................2-9
Figure 2-4. NI PXIe-4357 Block Diagram...............................................................2-10
Figure 2-5. Non-Sequential Channel Conversion Sequence ....................................2-13
Figure 2-6. Typical Channel Conversion Sequence.................................................2-14
Tables
Table 2-1. Front Connector Pin Assignments.........................................................2-4
Table 2-2. I/O Connector Signal Descriptions........................................................2-5
Table 2-3. Channels Multiplexed to ADC Correspondences..................................2-9
Table 2-4. ADC Timing Mode Quick Reference Chart..........................................2-12
Table 2-5. ADC Conversion Rates .........................................................................2-15
Table 3-1. PXIe-DSTAR Line Descriptions ...........................................................3-2
Table 3-2. Trigger Debouncing Filters ...................................................................3-3