Specifications

Chapter 2
Connecting Strain Gages to the Multiplexers
About This Chapter
This chapter explains how the strain gage multiplexer terminal module is
configured for measurements, and how
1
⁄
4
,
1
⁄
2
, and full bridge configurations
are connected to the terminal module. The sections of this chapter are:
• Terminal Module Configuration . . . . . . . . . . . . . . . . . . . . . . Page 23
• Wiring a Terminal Module . . . . . . . . . . . . . . . . . . . . . . . . . . Page 26
• Strain Gage Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . Page 27
Terminal Module Configuration
The strain gage terminal module used with each multiplexer accessory is
shown in Figures 2-1A and 2-1B. The terminal module is used to:
• select the bridge arrangement on each channel;
• supply the bridge excitation voltage (external source);
• connect the strain gages to the bridge completion channels.
Figure 2-1A. Terminal Module Configuration
Chapter 2 Connecting Strain Gages to the Multiplexers 23
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