National Instruments SCXI Series - Figure 4-7. Full-Bridge Configurations

Chapter 4 Connecting and Using Accessories and Transducers
Getting Started with SCXI 4-14 www.ni.com
Figure 4-7. Full-Bridge Configurations
Full-Bridge Configuration I
– V
r
GF
Full-Bridge Configuration II
– 2V
r
Full-Bridge Configuration III
– 2V
r
Strain Gauge
–
+
EX+
EX
–
V
IN
–
+
Strain Gauge
+
EX+
EX
–
V
IN
+
Strain Gauge
V
EX
+
EX+
EX
–
V
IN
+
CH
+
SCXI-1121 Module
with Voltage
Excitation
Enabled
CH+
CH
CH+
CH
–
CH+
+
-
+
+
–
–
–
–
–
–
–
V
EX
V
EX
SCXI-1121 Module
with Voltage
Excitation
Enabled
SCXI-1121 Module
with Voltage
Excitation
Enabled