Kollmorgen S20260-VTS

Kollmorgen S20260-VTS

Product Overview: The S20260-VTS is a high-performance digital servo drive within the Kollmorgen SERVOSTAR S200 family. In the model number, “S20260” designates the drive model with 9A peak / 4.5A continuous current rating, “V” indicates AC voltage input configuration, “T” indicates the SynqNet communication option, and “S” indicates the standard version. This drive is optimized for compact, high-throughput applications requiring real-time motion control networking.

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Description

Kollmorgen S20260-VTS

Technical Specifications:

  • Input Voltage: 85–265 VAC, 47 to 420 Hz, 1 or 3 phase
  • Peak Output Current: 9A RMS
  • Continuous Output Current: 4.5A RMS (convection cooled at 40°C)
  • Current Loop Bandwidth: Up to 5 kHz
  • Velocity Loop Bandwidth: Up to 800 Hz
  • Feedback Resolution: 24-bit (Smart Feedback Device)
  • Update Rate: 1.25 MHz
  • Communication: SynqNet (100 BaseT real-time Ethernet)
  • Protection Rating: IP20
  • Certifications: UL 508C, cUL, CE marked, EN50178, EN61800-3, SEMI F47

Functional Features:

  • SynqNet option card provides 100 Mbps real-time synchronous Ethernet communication
  • Supports up to 255 nodes in a single SynqNet network with node-to-node jitter of approximately 200 ns
  • Line or ring topology with self-healing fault tolerance
  • All-digital drive with velocity loop bandwidth up to 800 Hz
  • Smart Feedback Device enables plug-and-play commissioning
  • Separate control power input for rapid E-Stop recovery
  • Optically isolated I/O for noise immunity
  • Full fault protection suite

Application Scenarios:

  • Multi-axis synchronized motion systems
  • Semiconductor wafer handling
  • Electronic assembly automation
  • High-speed pick-and-place machines
  • Medical imaging equipment
  • Precision positioning systems

Performance Parameters:

  • Peak Stall Torque (with AKM11B): 0.59 Nm
  • Continuous Stall Torque (with AKM11B): 0.18 Nm
  • Maximum Speed (with AKM11B): 8,000 rpm
  • SynqNet Cycle Time: Approximately 20 μs
  • SynqNet Node-to-Node Jitter: Approximately 200 ns
  • Position Loop Refresh Rate: 125 μs (8 kHz)

Material Composition:

  • Housing: Aluminum alloy with integrated heat sink fins
  • Internal Components: DSP-based control board with SynqNet option card
  • Connectors: RJ45 for SynqNet, pluggable screw terminals for power and I/O, IEEE1394 (FireWire) for feedback

Structural Characteristics: Compact form factor with dimensions of approximately 54.8mm wide × 175mm tall × 131.6mm deep. Front-panel accessible connectors and LED status indicators. The SynqNet option card is factory-installed.

Working Principle: The drive uses space vector modulation to generate sinusoidal three-phase currents. The SynqNet protocol provides deterministic real-time communication between the host controller and multiple drives, enabling synchronized multi-axis motion with sub-microsecond jitter. The nested control loop architecture (current → velocity → position) ensures precise torque, speed, and position regulation.

Installation Requirements:

  • Mount in a ventilated enclosure with ambient temperature not exceeding 40°C
  • Connect SynqNet cables using shielded Cat5e or better Ethernet cabling
  • Maintain minimum clearance for convection cooling
  • Use shielded motor and feedback cables with proper grounding
  • Ensure proper DC bus voltage within the 85–265 VAC range

Usage Notes:

  • The “V” suffix indicates AC input; verify correct AC voltage range before powering
  • The “T” suffix indicates SynqNet option; ensure the host controller supports SynqNet protocol
  • SynqNet ring topology provides redundancy; a single cable break will not interrupt communication
  • Use the Windows GUI for initial configuration and SynqNet network setup
  • Verify motor-drive compatibility using the Kollmorgen sizing tables

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