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Kollmorgen SBD4-30-2101-2

  • Product Name:​ SERVOSTAR SBD4 Analog Brush-Type Servo Drive (30 A frame)
  • Product Introduction:​ Fully analog four-quadrant velocity controller for DC brush servo motors using tachometer feedback, part of SBD-Series (3/6/10/20/30/55/85 A frames).
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Detailed content

  • Technical Specifications:​ 30 A continuous output; 3-phase 230/400 VAC or DC bus input per SBD4 platform; ±10 V velocity command; tachometer feedback; PWM analog compensation card compatible with legacy SBD2.
  • Functional Features:​ Tachometer-based velocity loop; adjustable gain/offset; current limit; regenerative braking; compact frame for cabinet space saving.
  • Application Scenarios:​ Legacy machine tools, document handling, web transport, replacement of obsolete SBD2 amplifiers.
  • Working Principle:​ Analog velocity error from ±10 V cmd vs tach signal drives PWM H-bridge output to DC motor armature.
  • Installation Requirements:​ Mount with ventilation gap; tach polarity checked before enable; armature leads fused; ground tach shield at drive end only.
  • Usage Notes:​ No digital commutation; only for brush motors with tachogen; compensation card must match motor constants; not for AKM BLDC direct use.

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