National Instruments NI 9229 - Manual (Page 8)

NI 9229/9239 8 ni.com
Connecting the NI 9229/9239
The NI 9229/9239 provides connections for four simultaneously
sampled, isolated analog input channels.
Figure 2. NI 9229/9239 Terminal Assignments
AI0+
AI0–
AI1+
AI1–
AI2+
AI2–
AI3+
AI3–
0
1
0
1
0
1
0
1