Rockwell Automation Publication 7000L-UM301F-EN-P - March 2020 259
Commissioning Chapter 4
Sample waveforms of DC Test recorded on 18 Pulse Drive
Idc Cmd Test = 0.5pu [Ch1- Vdcr1 (yellow) Ch2 – Idc1 (blue) at ACB test points]
Load Test
After autotuning of the drive, run the motor on load and capture the following
waveforms at 50% load and at 100% load. If the system is not ready for 100% load
test, then capture the waveforms at the max load you are allowed to run the drive
at. Also, print variables at 50% and 100% load points. Before printing variables
make sure the drive Access Level is at SERVICE.
1. Capture line voltage & current waveforms at ACB test points “V2uv” &
“I2u”.
2. Label the waveforms as “V2uv” and “I2u”.
3. Capture motor voltage & current waveforms at ACB test points “Vuv” &
“Iu”
4. Label the waveforms as “Vuv” and “Iu”.
5. Save the worksheet as “Line and Load Voltage and Current Waveforms at
1048 rpm, 31 A”, for example.
Table 16 - Oscilloscope Setting
Oscilloscope Time Base Waveform Test-Point Waveform
Label
Sheet Name
Ch. 1 10ms/div. Line Voltage V2uv V2uv [see above]
Ch. 2 Line Current I2u I2u
Ch. 3 Motor Voltage Vuv Vuv
Ch. 4 Motor Current Iu Iu
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