► Built-in PLC Function • Built-in 10 k steps PLC function supports independent and distributed control when connecting to a network system for high operation flexibility. • Real Time Clock (RTC) function facilitates the PLC program writing process for ON/OFF chronology, daylight savings operation and many other settings. Internal frequency ► Skip Frequency commend Frequency rising • Skip Frequency function avoids motor vibration at a specific frequency band and protects the equipment. User can restrict up to 3 zones of frequency range Resonance zone 3 Resonance zone 2 Resonance zone 1 Frequency Frequency fallen setting commend ► Fire Mode • Application:
ventilation of buildings, tunnels, subways and more • The drive will bypass the alarm warning in fire mode. When a fire occurs, it forces the drive to continue to operate to extract smoke or supplies water until the drive fails or runs out of emergency power » Preset speed mode: set the drive to continue to operate under a preset speed » BYPASS mode: the AC Mains Bypass breaker will bypass the drive and connect to the emergency power » Fire mode with PID control: it balances the pressure between the stairwell and fire location to ensure the fire door can be easily opened 5