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Kollmorgen BDS4P-203H-920

Product Name:​ BDS4 Brushless Servo Drive, 3 A 230 VAC Class
Product Introduction:​ Early-generation BDS4 PWM drive for small Goldline or 6SM motors, often seen in 1990s machine tools.
Technical Specifications:
  • Input Voltage: 230 VAC ±10%
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Detailed content

  • Continuous Output: 3 A RMS (203 code = 3 A)
  • Peak Output: 9 A
  • DC Bus: Internal rectified
  • Control: 6-step hall or resolver commutation
  • Command: ±10 V torque/speed
  • Feedback: Hall or resolver
  • Mounting: Panel, IP20
    Functional Features:​ Simplicity, robust IGBT bridge, trim-pot tuning, separate enable/disable.
    Application Scenarios:​ Legacy transfer lines, old robot wrists, replacement of failed Seidel CD drives.
    Installation Requirements:​ 230 VAC isolated supply, motor thermal switch wired to disable, shield terminated both ends.
    Usage Notes:​ No fieldbus, no auto-tune; match motor Kt to 203H gain range.

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