©
National Instruments Corp.
13
NI 9215 Operating Instructions and Specifications
Connecting Single-Ended Voltage Signals to the
NI 9215
To connect single-ended voltage signals to the NI 9215 with screw
terminal, yo
u
m
u
st also connect the gro
u
nd signal to the COM
terminal to keep the common-mode voltage in the specified range,
as shown in Fig
u
re 6. For more information abo
u
t the
common-mode voltage range, refer to the
section.
Figure 6.
Connecting a Single-Ended Voltage Signal to the
NI 9215 with Screw Terminal
+
–
AI+
AI–
COM
Voltage
Source
NI 9215 with
Screw Terminal
