Inspection And Adjustment Methods; How To Measure The Voltages And Currents - Mitsubishi MELDAS TRS50 Manual

INSPECTION AND ADJUSTMENT METHODS

HOW TO MEASURE THE VOLTAGES AND CURRENTS

Motor voltage measurement
1.
Since the voltage output from the transistor amplifier to the
motor is PWM-controlled, it appears in the form of pulsive
The value of the voltage indicated may differ greatly
waveforms.
depending on the type of measuring instrument used.
first attach the filter shown below and then use a rectifier-type
voltmeter.
T r a n s i s t o r
amolifier
(Waveform before filter attached)
To measure,
l