Campbell Scientific 4WFB120, 4WFB350, 4WFB1K 4-Wire Full Bridge Terminal Input Module User Manual
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4WFB120, 4WFB350, 4WFB1K 
Table of Contents 
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1. Function........................................................................1
2. Specifications ..............................................................1
3. Measurement Concepts ..............................................2
4. Wiring............................................................................3
5. Program Examples ......................................................3
5.1 Edlog.........................................................................................................4
5.1.1 CR10(X)..........................................................................................4 
5.1.2 21X .................................................................................................7 
5.1.3 CR7 ...............................................................................................10 
5.2 CRBasic ..................................................................................................13
5.2.1 CR9000(X)....................................................................................14
6. Calculation of Strain..................................................15
Figures
1-1 Terminal Input Module ............................................................................1 
2-1 Schematic .................................................................................................2 
4-1 Wiring for Example Programs .................................................................3 
6-1 Strain Gage in Full Bridge......................................................................15 
Table
5-1 Input Locations Used in CR10(X), 21X, and CR7 Examples ..................4 
 
 
 
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