Digital guide

You are here:

Kollmorgen SR20200-000000

Model Series: S200 Series Digital Servo Amplifiers

Product Introduction:
The SR20200-000000 is a 2-axis digital servo drive from the S200 product family. It provides sinusoidal commutation control for brushless servo motors with integrated current regulation, velocity loop, and position loop capabilities. The “000000” suffix indicates a standard configuration with no optional modules installed.

Detailed content

Technical Specifications:

Parameter Value
Axis Count 2 Axes (independent servo loops)
Continuous Output Current (per axis) 4 A RMS (typical)
Peak Output Current (per axis) 8 A peak (2x continuous)
Bus Voltage 48 VDC to 80 VDC (nominal 60 VDC)
PWM Switching Frequency 20 kHz
Position Loop Update Rate 1 kHz (standard)
Velocity Loop Update Rate 1 kHz
Current Loop Update Rate 20 kHz
Command Interface Analog ±10V, Pulse & Direction, Step & Direction
Feedback Interface Sin/Cos Encoder, Hall Sensors, Resolver
Encoder Resolution Support Up to 16-bit (65,536 counts/rev)
Digital I/O 8 inputs / 4 outputs (optically isolated)
Communication RS-232, optional fieldbus
Operating Temperature 0°C to +50°C (derate above 40°C)
Protection Rating IP20 (chassis mount, no enclosure)
Dimensions (W x H x D) ~70 x 115 x 165 mm (per axis module)
Weight ~0.8 kg per axis

Functional Characteristics:

  • Dual independent servo axes in a single chassis
  • Sinusoidal commutation for smooth torque delivery
  • Auto-tuning capability for velocity and position loops
  • Programmable gain scheduling
  • Fault monitoring: overcurrent, overvoltage, undervoltage, overtemperature, encoder loss

Control Modes:

  • Position Mode: External pulse/direction or analog command
  • Velocity Mode: Analog ±10V command
  • Torque Mode: Analog ±10V current command

Applicable Industries:

  • Packaging machinery
  • Printing presses
  • Material handling conveyors
  • Textile machinery
  • General-purpose automation

Installation Requirements:

  • Panel or DIN rail mounting (chassis mount)
  • Minimum 50 mm clearance on all sides for airflow
  • Shielded cables required for encoder feedback (max 10 m recommended)
  • Earth ground connection mandatory

Usage Notes:

  • Do not exceed 80 VDC bus voltage under any condition
  • Continuous current derating: 100% at 25°C, 80% at 40°C, 60% at 50°C
  • Ensure proper heatsink attachment for sustained operation above 3 A per axis

You may also like