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Appendix A
Connecting I/O Signals
©
National Instruments Corporation
A-7
R Series Intelligent DAQ User Manual
Figure A-3 shows the connector pinouts when using the NSC68-262650
cable.
Figure A-3.
Connector Pinouts when Using NSC68-262650 Cable
Connecting to SSR Digital Signal Conditioning
NI provides cables that allow you to connect signals from the NI 78
xx
R
directly to SSR backplanes for digital signal conditioning.
The NSC68-5050 cable connects the signals on the NI 78
xx
R RDIO
connectors directly to SSR backplanes for digital signal conditioning. This
cable has a 68-pin male VHDCI connector on one end that plugs into the
NI 78
xx
R RDIO connectors. The other end of this cable provides
two 50-pin female headers.
2
4
6
8
10
12
14
16
18
20
22
24
26
1
3
5
7
9
11
13
15
17
19
21
23
25
AO0
AOGND0
AO1
AO2
AOGND2
AO3
AO4
AOGND4
AO5
AO6
AOGND6
AO7
No
Connect
No
Connect
No
Connect
AOGND1
No
Connect
No
Connect
AOGND3
No
Connect
No
Connect
AOGND5
No
Connect
No
Connect
AOGND7
No
Connect
2
4
6
8
10
12
14
16
18
20
22
24
26
1
3
5
7
9
11
13
15
17
19
21
23
25
AI0+
AIGND0
AI1+
AI2+
AIGND2
AI3+
AI4+
AIGND4
AI5+
AI6+
AIGND6
AI7+
AISENSE
AI0–
AI1–
AIGND1
AI2–
AI3–
AIGND3
AI4–
AI5–
AIGND5
AI6–
AI7–
AIGND7
No
Connect
AI 0–7 Connector
Pin Assignment
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
DIO15
DIO14
DIO13
DIO12
DIO11
DIO10
DIO9
DIO8
DIO7
DIO6
DIO5
DIO4
DIO3
DIO2
DIO1
DIO0
+5V
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
No
Connect
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DIO 0–15 Connector
Pin Assignment
AO 0–7 Connector
Pin Assignment