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Kollmorgen BDS4 A-030H/204C2

  • Product Name:​ BDS4 Brushless Servo Amplifier (3 A, 208 V class, resolver/encoder commutation)
  • Product Introduction:​ Older BDS4 series 3-phase PWM servo amp matched to Goldline B/M motors, 208–230 VAC input, 3 A continuous.
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Detailed content

  • Technical Specifications:
    • Input: 3×208–230 VAC
    • Continuous Current: 3 A RMS
    • Peak Current: 6 A RMS
    • Motor Match: B-104/B-106 with appropriate wind/tach/resolver
    • Feedback: Hall or resolver commutation, tachometer input
    • Control Modes: Torque/velocity (analog ±10 V command)
    • Adjustments: Potentiometers for gain, offset, drift
    • Protection: Overcurrent, thermal, short-circuit
  • Functional Features:​ Analog servo front-end, no digital bus, trim-pot tuning.
  • Application Scenarios:​ Retrofit of 1990s machine tools, legacy indexing tables.
  • Installation Requirements:​ Clean 208 V 3-phase, separate 24 V logic, motor thermal contact wired to disable input.
  • Usage Notes:​ Fully obsolete; repair-only availability. “204C2” is internal firmware/connector revision code.

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