National Instruments 78 R Series Note To Users page 4

Use the following label in Figure 3 if you are connecting the SCB-68A to the AIO Connector on
NI PXIe-7865/7866 models.
A I O
68 AI 0+
34 AI 0-
67 AI GND 0
33 AI GND 1
66 AI 1+
32 AI 1-
65 NC*
31 NC*
64 GND
30 GND
63 NC*
29 NC*
62 NC*
28 NC*
61 GND
27 GND
60 NC*
26 NC*
4 | ni.com | NI 78xxR and NI 78xx Pinout Labels for the SCB-68A Note To Users
Figure 3. AIO Connector for NI PXIe-7865/7866
A I O
59 NC*
25 NC*
58 GND
24 GND
57 NC*
23 NC*
56 AI SENSE 0
22 NC*
55 AO 0
21 AO GND 0
54 AO 1
20 AO GND 1
53 AO 2
19 AO GND 2
52 AO 3
18 AO GND 3
SCB-68A Quick Reference Label
R Series Devices - AIO Connector
PXIe-7865/7866
Di re ct Fe e dthrough
S1
*NC: No Connect
AI O
51 AO 4
17 AO GND 4
50 AO 5
16 AO GND 5
49 AO 6
15 AO GND 6
48 AO 7
14 AO GND 7
47 NC*
13 NC*
46 NC*
12 NC*
45 NC*
11 NC*
44 NC*
10 NC*
1
2
1 2 3
S2
A IO
1 +5V
35 +5V
2 GND
36 NC*
3 GND
37 NC*
4 GND
38 NC*
5 GND
39 NC*
6 GND
40 NC*
7 GND
41 NC*
8 GND
42 NC*
9 GND
43 NC*