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Kollmorgen S20660-CNS-023

Product Introduction:
The Kollmorgen S20660-CNS-023 is a member of the S200 all-digital servo drive family. “20660” means 20–90 VDC or 120/240 VAC input, 6 A continuous, 18 A peak. “CNS” indicates the CNS (Controller Node with SynqNet/Indexing) firmware platform. “023” is the hardware/firmware revision suffix. It is a compact pulse/analog/indexing drive with intelligent motor recognition.
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Detailed content

Technical Specifications:
  • Input Supply:​ 120/240 VAC single/three-phase (85–265 VAC logic tolerant) or 20–90 VDC
  • Continuous Output Current:​ 6.0 A RMS
  • Peak Output Current:​ 18 A RMS for 3 s
  • Current Loop Bandwidth:​ up to 3–5 kHz
  • Velocity Loop Bandwidth:​ 800 Hz
  • Feedback Support:​ 24-bit resolver, incremental encoder, SFD, electronic motor nameplate
  • Control Modes:​ torque, velocity, electronic gearing, basic indexing
  • Communication:​ SynqNet (CNS variant), parallel PWM, ±10 V analog, step/dir
  • Dimensions:​ 152.4 mm H × 48.3 mm W × 101 mm D (without connectors)
  • Certifications:​ UL 508C, CE, EN50178, SEMI F47
Functional Characteristics:
  • Plug-and-play with AKM/6SM motors using electronic nameplate
  • Autotuning and Bode-plot assist
  • Keep-alive 24 V input for fast E-stop recovery
  • Optically isolated I/O, positive-lock connectors
Application Scenarios:
  • Standalone single-axis machines
  • Retrofit of DC servo cabinets
  • Converting lines, labeling, pick-and-place
Installation Requirements:
  • Vertical mount on grounded metal panel
  • Leave 10 mm clearance top/bottom minimum
  • 24 VDC control supply separate from power stage
  • Feedback cable shielded, not routed with contactor wiring
Usage Notes:
  • Disconnect main bus before handling; DC bus discharge wait 5 min
  • CNS firmware cannot run EtherCAT; use S300/S700/AKD for fieldbus motion
  • Obsolete for new designs; supported as spare only

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