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Portable Battery Powered Oscilloscope
Use of a battery powered oscilloscope without an AC/DC adapter is the best method
to observe drive waveforms.
When using a dual channel oscilloscope make sure that you use only 1 scope ground
lead – remove the scope ground lead on the other probe.
For AC Line Powered Oscilloscopes
Preferred Method- Differential Channel Method
1. The scope could be set up to look at signals differentially using two probes. In
this mode you would NOT use the ground clips on the probes- remove them from
the probes. This allows the scope to be grounded without causing damage to the
drive and without the scope case becoming HOT to the line supply levels. You
would need to explore the Scopes differential mode to accomplish Channel A-B
display.
Remove both
Ground clips!!!!
Used to look
at signal i.e.
Armature
waveform
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