Triggers, Bus interface, Power requirement – National Instruments PCI-4452 User Manual
Page 80: Triggers analog trigger, Digital trigger

Appendix A
Specifications
©
National Instruments Corporation
A-9
PCI-4451/4452 User Manual
DMA modes ........................................... Scatter gather
Triggers
Analog Trigger
Source
PCI-4451 ......................................... ACH<0..1>
PCI-4452 ......................................... ACH<0..3>
Level....................................................... ± full-scale
Slope....................................................... Positive or negative
(software selectable)
Resolution .............................................. 16 bits
Hysteresis ............................................... Programmable
Digital Trigger
Compatibility ......................................... TTL
Response ................................................ Rising or falling edge
Pulse width ............................................. 10 ns min
Bus Interface
Type ....................................................... PCI Master/Slave
Power Requirement
Power (PCI-4451) .................................. +5 V, 1.7 A idle, 2.0 A active
+12 V, 11 mA typical
(not including momentary relay
switching)
−
12 V, 40 mA typical
+3.3 V, unused
Power (PCI-4452) .................................. +5 V, 2.2 A idle, 2.5 A active
+12 V, 150 mA typical
(not including momentary relay
switching)
−
12 V, unused
+3.3 V, unused
User.book Page 9 Tuesday, April 14, 1998 10:20 AM