National Instruments NI 783xR User Manual page 59

Appendix B Connecting I/O Signals
Signal
Type and
Signal Name Direction
+5V
AI<0..7>+
AI<0..7>–
AIGND
AISENSE
AO<0..7>
AOGND
DGND
DIO<0..15> DIO
Connector 0
DIO<0..39>
Connector <1..2>
AI = Analog Input
Connecting to CompactRIO Extension I/O Chassis
NI 783xR User Manual
Table B-2. NI 783xR I/O Signal Summary
Impedance Protection
Input/
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 —
—
AO = Analog Output
You can use the CompactRIO R Series Expansion chassis and CompactRIO
I/O modules with the NI 783xR. Refer to the CompactRIO R Series
Expansion System Installation Instructions for information about
connecting the chassis to the NI 783xR.
(Volts) Source
On/Off (mA at V)
— —
42/35 —
42/35 —
— —
42/35 —
Short 2.5 at 10
circuit to
ground
— —
— —
–0.5 5.0 at 2.4
to +7.0
DIO = Digital Input/Output
B-4
Sink
(mA at V) Rise Time
— —
— —
— —
— —
— —
2.5 at –10 10 V/µs
— —
— —
5.0 at 0.4 12 ns
DO = Digital Output
Bias
—
±
2 nA
±
2 nA
—
±
2 nA
—
—
—
—
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