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Contents
6527 User Manual vi www.ni.com
Solid-State Relay Outputs ............................................................................................. 3-9
Output Channels.............................................................................................. 3-9
Overcurrent Protection.................................................................................... 3-12
Power-on and Power-off Conditions............................................................... 3-12
Chapter 4
Device Overview
Functional Overview ..................................................................................................... 4-1
PCI Interface Circuitry.................................................................................... 4-2
Digital I/O Circuitry........................................................................................ 4-2
Optical Isolation Circuitry .............................................................................. 4-3
Digital Filtering ............................................................................................................. 4-3
Change Notification....................................................................................................... 4-5
Appendix A
Specifications
Appendix B
Technical Support Resources
Glossary
Index
Figures
Figure 1-1. The Relationship between the Programming Environment,
NI-DAQ, and Your Hardware............................................................... 1-5
Figure 3-1. 6527 Device Connector Pin Assignments............................................. 3-2
Figure 3-2. Cable-Assembly Connector Pinout
for the R1005050 Ribbon Cable3-4
Figure 3-3. Signal Connection Example for Isolated Input..................................... 3-8
Figure 3-4. Reducing Input Current for High Voltage Signals ............................... 3-9
Figure 3-5. Signal Connections for Solid-State Relays...........................................3-10
Figure 3-6. Signal Connections for Driving TTL Voltages..................................... 3-11
Figure 4-1. 6527 Block Diagram............................................................................. 4-2
Figure 4-2. Digital Filter Timing............................................................................. 4-5