National Instruments E Series - Manual (Page 45)

Chapter 4 Signal Connections
 National Instruments Corporation 4-9 DAQCard E Series User Manual
PFI9/GPCTR0_GATE DIO — Vcc +0.5 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
Ω
pu
GPCTR0_OUT DO — — 3.5 at (Vcc -0.4) 5 at 0.4 1.5 50 k
Ω
pu
FREQ_OUT DO — — 3.5 at (Vcc-0.4) 5 at 0.4 1.5 50 k
Ω
pu
AI = Analog Input DIO = Digital Input/Output pu = pullup
DO = Digital Output
1 DIO <6..7> are also pulled up with a 10 k
Ω
resistor.
Warning: Unless specifically indicated in the Protection column of Table 4-3, 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 4-3. I/O Signal Summary, DAQCard-AI-16XE-50 (Continued)
Signal Name Drive Impedance
Input/
Output
Protection
(Volts)
On/Off
Source
(mA at V)
Sink
(mA at
V)
Rise
Time
(ns)
Bias