© National Instruments Corporation
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.GND
PFI 7/P1.1 (Output)
PFI 9/P1.3 (Output)
Table A-2. NI 6239 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-5
Appendix A
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
AO 1
12
31
PFI 0/P0.0 (Input)
13
32
P0.GND
14
33
PFI 3/P0.3 (Input)
15
34
16
PFI 5/P0.5 (Input)
35
17
PFI 6/P1.0 (Output)
36
18
PFI 8/P1.2 (Output)
37
19
P1.VCC
NC = No Connect
Figure A-2. NI 6239 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)
Device-Specific Information
Port
P0.0
P0.1
P0.2
P1.0
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
NI 6238/6239 User Manual