Appendix B Connecting I/O Signals
NI 783xR User Manual B-4 ni.com
Connecting to CompactRIO Extension I/O Chassis

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.

Table B-2. NI783xR I/O Signal Summary

Signal Name
Signal
Type and
Direction
Impedance
Input/
Output
Protection
(Volts)
On/Off
Source
(mA at V)
Sink
(mA atV) Rise Time Bias
+5V DO — — — — — —
AI<0..7>+ AI 10 GΩ in
parallel with
100pF
42/35 — — — ±2nA
AI<0..7>– AI 10 GΩ in
parallel with
100pF
42/35 — — — ±2nA
AIGND AO — — — — — —
AISENSE AI 10 GΩ in
parallel with
100pF
42/35 — — — ±2nA
AO<0..7 > AO 1.25ΩShort
circuit to
ground
2.5 at 10 2.5 at –10 10V/µs —
AOGND AO — — — — — —
DGND DO — — — — — —
DIO<0..15>
Connector 0
DIO<0..39>
Connector <1..2>
DIO —–0.5
to+7.0
5.0 at 2.4 5.0 at 0.4 12ns —
AI = Analog Input AO = Analog Output DIO = Digital Input/Output DO = Digital Output