Specifications

Section 2. Quickstart Tutorial
2-6
2.1.7 Bridge Sensors
Bridge sensors change resistance with respect to environmental change.
Resistance is determined by measuring the difference between the excitation
voltage supplied to the bridge by the CR1000 and the voltage detected by the
CR1000 returning from the bridge. The CR1000 supplies a precise excitation
voltage via excitation terminals. Return voltage is measured on analog
terminals (FIGURE 2.1-4).
Potentiometer from Wind Vane Wired to Excitation Channel #1
H L EX1
4
78
DIFF
SE
P
FIGURE 2.1-4. Half and Full Bridge Wiring
EX1
L
H