National Instruments NI 9230 - Page 13

Figure 2. NI 9230 Pinout
AI0+
AI0–
AI1+
AI1–
AI2+
AI2–
0
1
0
1
0
1
AI0–
AI0+
AI1–
AI1+
AI2–
AI2+
Note You must use 2-wire ferrules to create a secure
connection when connecting more than one wire to a
single terminal on the NI 9230 with screw terminal.
Each channel has a terminal to which you can connect a signal
source. The AI+ terminal of the connector provides the DC
excitation, when enabled, and the positive input signal
NI 9230 Getting Started Guide | © National Instruments | 13