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Appendix A
Specifications
Power Requirement
Physical
PC-DIO-24/PnP User Manual
Level
Input high current
(V
= 5 V, W1 set to pulldown)
in
Input logic low current
(V in = 0 V, W1 set to pullup)
Input logic low current
(V in = 0 V, W1 set to pulldown)
Output Signals
Pin 49 (at 4.65 to 5.25 VDC).............. 1.0 A max
Level
Output logic high voltage
(I ol = –2.5 mA)
Output logic high voltage
(I oh = –4 mA)
Output logic low voltage
(I ol = 2.5 mA)
Output logic low voltage
(I ol = 4 mA)
+5 VDC (±10%) ................................. 0.45 A typ, 1 A max
Dimensions ........................................ 11.7 by 10.6 cm (4.6 by 4.2 in.)
I/O connector ..................................... 50-pin male ribbon-cable
connector
A-2
Min
Max
—
65 A
—
–65 A
—
–11 A
Min
Max
3.7 V
5.0 V
2.7 V
5.0 V
0 V
0.4 V
0 V
0.5 V
© National Instruments Corporation
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