Commander SK

• 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