Specifications

Core Software Operation
ADDvantage-32 PLUS ● AC to DC Power Converter
3-41
13) Turn the drive on while observing the scope. Apply a run command, such that the
“RUNNING” LED is illuminated. Slowly increase the current command through
the calibration parameter documented in step 7-a, while observing the scope.
Stop increasing the current command when voltage pulses are observed on the
scope. The observed waveform should resemble that of Figure 3-5.
DCAFMC5LAN
Burden Resistor Waveform
(Discontinuous Current)
-1
-0.5
0
0.5
1
0 2.77 5.545 8.32 11.095 13.87 16.667
Time (ms)
Voltage
Figure 3-5. Burden Resistor Waveform (Discontinuous Current)
14) With an observable current flow at a burden resistor, move the scope probe to
measure the TP1 test point on the bottom of the microprocessor board (TP2 is
circuit common). If all wiring and CT polarities are correct, the waveform should
resemble that of Figure 3-6. If you observe this waveform, go to step 24, or
continue on to step 15 if you do not observe this waveform.
NOTE THAT THERE IS A 5X GAIN BETWEEN THE CT BURDEN RESISTOR AND
THIS POINT.
Figure 3-6. Micro Board Iarm TP (Discontinuous Current)
DCAFMC6LAN
Micro Board Iarm TP
(Discontinuous Current)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
0 2.77 5.545 8.32 11.095 13.87 16.667
Tim e (ms)
Voltage