National Instruments NI 447 Series User Manual page 57

Triggers
Bus Interface
Power Requirements
© National Instruments Corporation
Analog Trigger
Source
NI PCI/PXI-4472 ............................ CH<0..7>
NI PCI-4474.................................... CH<0..3>
Level....................................................... –10 to +10 V, full scale,
Slope....................................................... Positive or negative
Resolution .............................................. 24 bits, nominal
Hysteresis ............................................... Programmable
Digital Trigger
Compatibility ......................................... TTL/CMOS
Response ................................................ Rising or falling edge
Pulse width............................................. 10 ns, min
Type ....................................................... Master, slave
+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
programmable
(software selectable)
A-7
Appendix A Specifications
NI 447X User Manual