National-instruments E Series Manual de usuario Pagina 43

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Chapter 4 Signal Connections
National Instruments Corporation 4-7 DAQCard E Series User Manual
FREQ_OUT
DO 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
pu
AI = Analog Input DIO = Digital Input/Output pu = pullup
DO = Digital Output ADIO = Analog/Digital Input/Output
1
DIO <6..7> are also pulled up with a 10 k
resistor.
2
Also pulled down with a 10 k
resistor.
Warning:
Unless specifically indicated in the
Protection
column of Table 4-2, the outputs of DAQCard E Series cards
are not short-circuit protected. Exceeding the output limit in the
Source
and
Sink
columns can damage your
DAQCard
.
Table 4-2.
I/O Signal Summary, DAQCard-AI-16E-4 (Continued)
Signal Name
Drive Impedance
Input/
Output
Protection
(Volts)
On/Off
Source
(mA at V)
Sink
(mA at
V)
Rise
Time
(ns)
Bias
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