Commander SK Specifications

Control

  • Open loop vector control
  • Speed or torque control
  • Speed reference input: 0-10 V, 0-20 mA, 4-20 mA,
    (-10 to +10 V SM-I/O Lite option)
  • 4 digital inputs
    – World (enable, run forward, run reverse, local/remote)
    – USA (not stop, run, jog, local/remote)
  • Switching frequency: 3 (default) – 6 – 12 – 18 kHz
  • Output frequency 0 to 1500 Hz
  • Accel and Decel ramps (linear and S type)
  • Positive logic control
  • Serial communication
    – Modbus RTU RS485 via R J45 connector
    – Baud rate 4800, 9600, 19200 or 38400 bits per second
  • DC injection braking as standard
  • Dynamic braking transistor as standard
  • Dynamic motor flux V/Hz for energy saving
  • Quadratic motor flux V/Hz for fan and pump optimisation

Protection

  • Undervoltage, Supply and DC Link overvoltage, Phase loss,
    Drive overload, Instantaneous overcurrent, Short circuit,
    Ground fault, Drive thermal, Watchdog, Motor thermal

General Characteristics

  • Maximum overload 150% of rated current for 60s
  • Intelligent Thermal Management (ITM) optimises switching frequency
  • 8 preset speeds
  • Flying start
  • Mains dip ride through
  • Automatic no-spin autotune for fast performance optimisation
  • Keypad access to all parameters for more demanding set-ups

Environment

  • IP20
  • NEMA 1 rating with optional cover
  • Ambient temperature -10 to +40°C @ 3 kHz switching
  • Humidity 95% maximum (non-condensing)
  • Electromagnetic Emissions complies with EN61800-3 (second environment) as standard.
  • Complies with EN6000-6-3 (residential) and EN61000-6-4 (industrial) generic standards with optional footprint filter
Approvals & Listings  
UL, cUL UL File Listed 8D14
IEC Meets IEC Vibration, Mechanical Shock
and Electromagnetic Immunity Standards
CE Low Voltage Directive
NEMA NEMA 1 enclosure type
ISO 9001:2000 Certified Manufacturing Facility
ISO 14001 Certified Manufacturing Facility