10978

Regenerative Resistors

For Teco:

  • Most users will use the internal resistor; leave the jumper between PC-P1
  • Persistent AL02 errors may require the addition of an external resistor to the servo drive
  • For an external resistor, remove PC-P1 jumper and wire between P-PC
    • Set Cn012 accordingly (Power setting for External Regeneration Resistor)
    • See pg. 5-72 in Teco TSTA manual for calculation

For Yaskawa:

  • If the drive has an internal resistor, there will be a jumper between B2-B3 terminals
  • Some servopack models do not have an internal resistor so an external regenerative resistor is required
  • For an external resistor, remove B2-B3 if present and wire between B1-B2
    • Set Pn600 with the Regenerative Resistor Capacity
    • A.320 alarm is because the resistor wattage has not been programmed or not set correctly
    • See pg. 3-38 thru 3-40 for further details

Keywords:

regen resistor, Teco, Yaskawa, A.320, AL02

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