Checking pg pulses – Yaskawa GPD 506/P5 Section Two User Manual
Page 29
PP.P5G5.02Troubleshoot
Page 29
Rev. 06/11/2003
Checking PG Pulses
Step 13 (for GPD 515/G5 models)
Test Equipment - Ungrounded oscilloscope with x10 probe.
Set scope to 5V/division and .01mSeconds, in order to observe the PG pulses.
3. Command the inverter to run in the forward direction with a reference of 60 Hz.
The “A” pulse (channel 1) should lead the “B” pulse (channel 2) by 90°.
Compare the waveforms with the picture below.
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