National Instruments NI PXI-7831R User Manual page 58

Driver
Signal Name Type
+5V —
AI<0..7>+ —
AI<0..7>– —
AIGND —
AISENSE —
AO<0..7> —
AOGND —
DGND —
DIO<0..15> Default
Connector 0
DIO<0..39>
Connector<1..2>
Slow
Fast
AI = Analog Input
Connecting to 5B and SSR Signal Conditioning
© National Instruments Corporation
Table B-2. NI PXI-7831R I/O Signal Summary
Signal Impedance
Type and Input/
Direction Output
DO —
AI 10 GΩ in
parallel
with
100 pF
AI 10 GΩ in
parallel
with
100 pF
AO —
AI 10 GΩ in
parallel
with
100 pF
1.25 Ω
AO
AO —
DO —
DIO —
DIO —
DIO —
AO = Analog Output
NI provides cables that allow you to connect signals from the
NI PXI-7831R directly to 5B backplanes for analog signal conditioning
and SSR backplanes for digital signal conditioning.
Protection
(Volts) Source
On/Off (mA at V)
— —
42/35 —
42/35 —
— —
42/35 —
Short- 5 at 10
circuit to
ground
— —
— —
–0.5 5.4 at 2.4
to +7.0
–0.5 1.9 at 0.4
to +7.0
–0.5 16 at 2.4
to +7.0
DIO = Digital Input/Output
B-5
Appendix B Connecting I/O Signals
Sink Rise
(mA at V) Time
— —
— —
— —
— —
— —
5 at –10 10 V/µs
— —
— —
5.0 at 0.4 12 ns
1.9 at 0.4 75 ns
14 at 0.4 6 ns
DO = Digital Output
NI PXI-7831R User Manual
Bias
—
±2 nA
±2 nA
—
±2 nA
—
—
—
—
—
—