
26
Rockwell Automation Publication 20P-TG003B-EN-P - September 2021
Chapter 2
Component Test Procedures
This signal is a square wave signal with a 90° lag phase displacement
compared to the AC voltage signal.
2.
Measure the gate signals at pins XR-1 and XR-2 on the cable. The figure
below displays the following signals from top to bottom:
•
If the gate signals are missing, replace the control board.
•
If the gate signals are present, replace the field board.
Channel
Signal
1
U1-V1 Sync
4
Ie - LEM current feedback signal taken on LA-LB terminal
2
ITF1 pulse
3
ITF2 pulse
LA-LB
U1-V1 Sync
ITF1 Pulse
ITF2 Pulse
Содержание Allen-Bradley PowerFlex 4M
Страница 1: ...PowerFlex Digital DC Drive Frame C Bulletin Number 20P Hardware Service Manual Original Instructions ...
Страница 8: ...8 Rockwell Automation Publication 20P TG003B EN P September 2021 Preface Notes ...
Страница 146: ...146 Rockwell Automation Publication 20P TG003B EN P September 2021 Index Notes ...