180 Rockwell Automation Publication 750-UM006C-EN-P - March 2022
Chapter 6 Troubleshooting
• Load side encoder cable and pin outs
Encoder System Components
This is a list of possible items that could be observed. This list is not all
inclusive and will vary based on the design of your mechanical system. Refer to
the PowerFlex 750-Series AC Drives Programming Manual, publication 750-
PM001 for encoder faults and corrective actions.
• Main control module
• Option Module backplane connector
• Encoder feedback device (slots 4 and 5)
• Encoder cables and pin outs
•Encoder (Incremental, Absolute)
• Coupling and setscrews to motor stub shaft
• Motor, grounds, and shields
• Load side SSI Encoder
On-Machine
Drive
Ethernet
Feedback
Feedback Device/
Encoder
Feedback
Coupling
Motor Ballscrew
Coupling
Motor
Bearing
Stager
Ballscrew
Bearing
Flange
Nut
Fix-
Support-point
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