Minimizing Noise for EMC/CE Compliance

IMPORTANT: The iHXA4/HXA4 is a component designed to be integrated with other electronics. EMC testing must be conducted on the final product configuration.

To reduce electrical noise, observe the following motor feedback and input power wiring techniques.

  1. Use shielded cable for motor and feedback connectors. Connect the shield to the backshell at each end of the cable.
  2. Separate motor and power wiring from encoder and I/O wiring.
  3. Mount drives, power supplies, and filter components on a conductive panel.Keep wire-run lengths to a minimum. For the AC power lines feeding the VDC Motor supply and VDC Control supply, place a line filter, such as Schaffner FN2070-10-06 (Aerotech# ECZ00284) between the VDC power supply’s AC inputs and the AC power source.
  4. Use the lowest motor voltage required by the application to reduce radiated emission.
  5. Use a separate wire for each ground connection to the drive.Use the shortest possible wire length.

For typical system interconnections, refer to System Interconnection.