Chapter4 SignalConnections

6023E/6024E/6025EUser Manual 4-12 ni.com

Figure4-4. Summary of Analog Input Connections
Input
Differential
(DIFF)
Single-Ended
Ground
Referenced
(RSE)
Single-Ended
Nonreferenced
(NRSE)
FloatingSignal Source
(NotConnected to Building Ground)
GroundedSignal Source
Examples
UngroundedThermocouples
Signalconditioning with isolated outputs
Batterydevices
Examples
Plug-ininstruments with
nonisolatedoutputs
+
-
+
-
V1
ACH(+)
+
-
+
-
V1
ACH(+)
ACH(-)
Seetext for information on bias resistors.
Seetext for information on bias resistors.
R
SignalSource Type
ACH(-)
AIGND
+
-
+
-
V1
ACH
AIGND
+
-
+
-
NOTRECOMMENDED
ACH
+Vg-
V1
Ground-looplosses, Vg, are added to
measuredsignal
+
-
+
-
V1
ACH
AISENSE
R
AIGND
+
-
+
-
V1
ACH
AISENSE
AIGND
AIGND