Relay detection circuit diagram

Published:2011/11/3 22:51:00 Author:May | Keyword: Relay detection | From:SeekIC

Diagram a is resistor to measure coil.Multimeter chooses R×100 Ω file. Diagram b is relay to measure the pull-in voltage and releasing voltage, adjusting regulated power supply risegradually from 0V. When you can hear armatureiron da sound and itpulls in, at this time voltmeter PV displayed voltage is pull-in voltage; then adjusting regulated power supply buttopn will makevoltage gradually drop, when youheararmatureiron ka sound and the realy releases, the voltage is relay releasing voltage, diagram c isthe relay to measure pull-in current and releasing current. The method is similar to diagram b.



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