Minebea DSA-631, Инструкция по эксплуатации, Страница: 38 / 64

28
Bridge configuration
and circuit
Example
Bridge Box Wiring
Method
Remarks
Output
Bridge voltage (E)
Opposite arm, two active gage
configuration
∙
Dtects tension and
compression strain
∙
Eliminates bending strain.
∙
Effects of changes in
temperature are doubled.
∙
Strain gage lead wires are
temperature compensated.
∙
Calculated using calibration
value
x
1/2 or signal value
x
1/2
Output
Bridge voltage (E)
Four active gage configuration
∙
Detects tension and
compression strain
∙
Eliminates bending strain
∙
Temperature conpensation.
∙
Calculated using calibrated
value
x
1/2(1 +
ν
) or signal
value 1/2(1 +
ν
)
Output
Bridge voltage (E)
Four active gage configuration
∙
Deteccts bending strain.
∙
Eliminates tension and
compression strain.
∙
Temperature compensation
∙
Calculated using calibration
value
x
1/4 or signal value
x
1/4
Output
Bridge voltage (E)
Four active gage configuration
∙
Detects torsional strain
∙
Eliminates tension, com-
pressing and bending strain
∙
Temperature compensation.
∙
Calculated using calibration
value
x
1/4 or signal value
x
1/4
Table 4-2 Wheatstone bridge connection (2)