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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