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Appendix A
Specifications
©
National Instruments Corporation
A-7
Triggers
Analog Trigger
Source
NI PCI/PXI-4472 ............................ CH<0..7>
NI PCI-4474.................................... CH<0..3>
Level....................................................... –10 to +10 V, full scale,
programmable
Slope....................................................... Positive or negative
(software selectable)
Resolution .............................................. 24 bits, nominal
Hysteresis ............................................... Programmable
Digital Trigger
Compatibility ......................................... TTL/CMOS
Response ................................................ Rising or falling edge
Pulse width ............................................. 10 ns, min
Bus Interface
Type ....................................................... Master, slave
Power Requirements
+3.3 VDC
NI PCI-4472, NI PCI-4474 ............. 0 mA
NI PXI-4472 ................................... 400 mA, max
+5 VDC
NI PCI-4472.................................... 2,600 mA, max
NI PCI-4474.................................... 2,000 mA, max
NI PXI-4472 ................................... 2,200 mA, max
+12 VDC ................................................ 120 mA, max
–12 VDC ................................................ 120 mA, max