Figure 3-2. daqcard-1200 instrumentation amplifier, Figure 3-2, Daqcard-1200 instrumentation amplifier -5 – National Instruments DAQCard-1200 User Manual
Page 27: Table 3-1
Chapter 3
Signal Connections
© National Instruments Corporation
3-5
How you connect analog input signals to the DAQCard-1200 depends on
how you configure the card analog input circuitry and the type of input
signal source. With different DAQCard-1200 configurations, you can use
the instrumentation amplifier in different ways. Figure 3-2 shows a diagram
of the DAQCard-1200 instrumentation amplifier.
Figure 3-2. DAQCard-1200 Instrumentation Amplifier
Table 3-1. Bipolar and Unipolar Analog Input Signal Range Versus Gain
Gain Setting
Input Signal Range
Bipolar
Unipolar
1
±5 V
0 to 10 V
2
±2.5 V
0 to 5 V
5
±1 V
0 to 2 V
10
±500 mV
0 to 1 V
20
±250 mV
0 to 500 mV
50
±100 mV
0 to 200 mV
100
±50 mV
0 to 100 mV
V
V
–
+
Instrumentation
Amplifier
in
+
–
in
+
–
Measured
Voltage
V
m
V
m
= [V
in
+ – V
in
–] GAIN