National Instruments DAQ Series User Manual page 16

†
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–AI 0
†
AI GND
–AI 1
†
AI GND
–AI 2
†
AI GND
–AI 3
†
AI GND
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
–AO 0
†
AO GND
–AO 1
†
AO GND
NC
NC
NC
NC
+5 V
D GND
These AI GND and AO GND pins are not connected in the SHC68-C68-A1 cable.
Figure 3-1. BNC-2140 External 68-Pin Analog Connector
3-3
Chapter 3 Signal Connections
1 35
+AI 0
2 36 AI GND
3 37 +AI 1
4 38 AI GND
5 39 +AI 2
6 40 AI GND
7 41 +AI 3
8 42 AI GND
9 43
NC
10 44 NC
NC
11 45
12 46 NC
13 47 NC
14 48 NC
15 49 NC
16 50 NC
17 51 NC
18 52
NC
19 53
NC
20 54 NC
21 55 NC
22 56 NC
23 57
NC
24 58
NC
25 59
+AO 0
26 60
AO GND
27 61
+AO 1
28 62
AO GND
29 63
NC
30 64 NC
31 65
NC
32 66 NC
33 67 +5 V
34 68
D GND
BNC-2140 User Manual