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Kollmorgen BDS4A-210J-/20

  • Product Name: BDS4 Series Sine-Wave Servo Amplifier.
  • Product Overview: A legacy microprocessor-based sinusoidal servo amplifier designed for single-axis brushless motor control using resolver feedback, commonly found in retrofits and long-lifecycle machinery.
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Detailed content

  • Technical Specifications:
    • Continuous Current: 10 Arms (BDS4A-210 denotes ~10 A rating).
    • Peak Current: 20-30 Arms (2-5 sec).
    • Input Voltage: Single-phase 230 VAC, 50/60 Hz (±10%).
    • Control Modes: Torque (current), Velocity (speed).
    • Feedback: Resolver compatible.
    • I/O: 6 digital inputs, 2 digital outputs (optically isolated), 1 analog in/out.
    • Communication: RS485 (Modbus).
  • Functional Features:
    • Sinusoidal current control reduces torque ripple and acoustic noise.
    • Built-in PID regulation and notch filters.
    • Modular design with removable option/compensation cards.
    • Overcurrent, overvoltage, undervoltage, overtemperature protection.
  • Application Scenarios: Legacy packaging machines, textile looms, medical bed positioning, laboratory automation, older CNC retrofits.
  • Material/Structure: Metal chassis, PCB-mounted IGBT power stage, DIN-rail or panel mount.
  • Installation Requirements: Proper shielding on resolver leads; ground to cabinet earth; verify jumper settings for motor matching cards.
  • Usage Notes: Requires periodic inspection of cooling paths; compensation cards must match motor inductance; not recommended for new designs (legacy product).

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