National Instruments NI 783xR Benutzerhandbuch

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Appendix B
Connecting I/O Signals
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.  NI 783xR I/O Signal Summary
Signal Name
Signal 
Type and 
Direction
Impedance 
Input/
Output
Protection 
(Volts) 
On/Off
Source
(mA at V)
Sink
(mA at V)
Rise Time
Bias
+5V
DO
AI<0..7>+ 
AI
10 G
Ω in 
parallel with 
100 pF
42/35
±
2 nA
AI<0..7>– 
AI
10 G
Ω in 
parallel with 
100 pF
42/35
±
2 nA
AIGND 
AO
AISENSE 
AI
10 G
Ω in 
parallel with 
100 pF
42/35
±
2 nA
AO<0..7> 
AO
1.25
Ω
Short 
circuit to 
ground
2.5 at 10
2.5 at –10
10 V/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
12 ns
AI = Analog Input
AO = Analog Output
DIO = Digital Input/Output
DO = Digital Output