Digital guide
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Kollmorgen BDS4A-030H\204
Product Name: BDS4 Brushless Servo Amplifier, 30 A, 204 VDC class (legacy)
Introduction: BDS4 series was Kollmorgen’s compact 3-phase PWM drive for 24–204 VDC bus or 115/230 VAC rectified supply. “030” = 30 A, “H” = firmware/power section, “\204” = 204 VDC bus rating.
Detailed content
Specifications
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DC bus: up to 204 VDC (or 230 VAC rectified)
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Continuous: 30 A
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Command: ±10 V torque/velocity, step/dir
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Feedback: resolver or commutating encoder
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Cooling: forced air
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Status: long obsolete, serviced via third-party repair only
Applications: Early AGV drives, conveyor indexing, lab motion stages.
Precautions: No fieldbus; tune with potentiometers or parallel DAC; bus capacitors age—reform before power-up after long storage.
