©
National Instruments Corp.
11
NI 9219 Operating Instructions
Figure 3.
Connecting a Grounded Signal Source to the NI 9219
Figure 4.
Connecting a Floating Signal Source to the NI 9219
+
–
Twisted-Pair
Wiring
V
SIG
V
SIG
Ground
Reference
Signal Source
Shielding
HI
LO
NI 9219
+
–
Twisted-Pair
Wiring
V
SIG
Signal Source
Shielding
HI
LO
NI 9219