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Appendix A
Device-Specific Information
NI 6238/6239 User Manual
AI 0–
AI 1+
AI 2+
AI 3–
AI GND
AI 4–
AI 5+
AI 6+
AI 7+
AO POWER SUPPLY
AO 0
AO GND
PFI 1/P0.1 (Input)
PFI 2/P0.2 (Input)
PFI 4/P0.4 (Input)
P1.VCC
PFI 7/P1.1 (Output)
PFI 9/P1.3 (Output)
Table A-1. NI 6238 Device Default NI-DAQmx Counter/Timer Pins
Counter/Timer Signal
CTR 0 SRC
CTR 0 GATE
CTR 0 AUX
CTR 0 OUT
CTR 0 A
CTR 0 Z
CTR 0 B
CTR 1 SRC
CTR 1 GATE
CTR 1 AUX
A-2
1
AI 0+/CAL+
20
2
AI 1–
21
3
AI GND
22
4
AI 2–
23
5
AI 3+
24
6
AI 4+
25
7
AI 5–
26
8
CAL–
27
9
AI 6–
28
10
AI 7–
29
11
NC
30
12
AO 1
31
13
PFI 0/P0.0 (Input)
32
P0.GND
14
33
PFI 3/P0.3 (Input)
15
34
PFI 5/P0.5 (Input)
16
35
PFI 6/P1.0 (Output)
17
36
PFI 8/P1.2 (Output)
18
37
P1.GND
19
NC = No Connect
Figure A-1. NI 6238 Pinout
Default Pin Number (Name)
13 (PFI 0)
32 (PFI 1)
33 (PFI 2)
17 (PFI 6)
13 (PFI 0)
32 (PFI 1)
33 (PFI 2)
15 (PFI 3)
34 (PFI 4)
16 (PFI 5)
Port
P0.0
P0.1
P0.2
P1.0
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
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