Filter
Top Products
Chapter 4 Signal Connections
DAQCard E Series User Manual 4-8
National Instruments Corporation
Table 4-3 shows the I/O signal summary for the
DAQCard-AI-16XE-50.
Table 4-3.
I/O Signal Summary, DAQCard-AI-16XE-50
Signal Name
Drive Impedance
Input/
Output
Protection
(Volts)
On/Off
Source
(mA at V)
Sink
(mA at
V)
Rise
Time
(ns)
Bias
ACH<0..15>
AI 20 G
Ω
in
parallel
with
100 pF
25/15 — — —
±
10 nA
AISENSE AI 20 G
Ω
in
parallel
with
100 pF
25/15 — — —
±
10 nA
AIGND AI — — — — — —
DGND DO — — — — — —
VCC DO 0.45
Ω
Short-circuit
to ground
250 at V
cc
— — —
DIO<0..7> DIO — V
cc
+0.5 13 at (V
cc
-0.4) 24 at 0.4 1.1 50 k
Ω
pu
1
SCANCLK
DO — — 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
EXTSTROBE* DO — — 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PFI0/TRIG1 DIO — V
cc
+0.5 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PFI1/TRIG2 DIO — V
cc
+0.5 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PFI2/CONVERT* DIO — V
cc
+0.5 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PFI3/GPCTR1_SOURCE DIO — V
cc
+0.5 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PFI4/GPCTR1_GATE DIO — V
cc
+0.5 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
GPCTR1_OUT DO — — 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PFI5/UPDATE* DIO — V
cc
+0.5 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PFI6/WFTRIG DIO — V
cc
+0.5 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PFI7/STARTSCAN DIO — V
cc
+0.5 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu
PFI8/GPCTR0_SOURCE DIO — V
cc
+0.5 3.5 at (V
cc
-0.4) 5 at 0.4 1.5 50 k
Ω
pu