Stepper Motor Drivers

• Single-phase input (1˜200-240 Vac): 0.1 / 0.2 / 0.4 / 0.75 / 1.5 & 2.2 kW
• Three-phase input (3˜380 Vac): 0.75 / 1.5 / 2.2 / 3.7 / 5.5 & 7.5 kW
• User-friendly parameter setting via flexible control unit with digital potentiometer
• OEC operation for greater energy savings
• Multiple self-diagnostics to prevent failures
• Controlled deceleration during brief power outages
• Emergency stop function
• Auto-tuning with motor stopped in less than a minute
• Password protection and parameter configuration via PC software
• Remote I/O and many other advanced features
• Control methods: General purpose magnetic Flux Vector & Optimum excitation
• Overload capacity: 150% for 60 sec (1Hz), 200% for 0.5 sec (3Hz)
• Energy saving with fan operation that does not need to run continuously at full power
• Extended fan lifespan with controlled operating conditions
• Full control and protection of the fan against various anomalies
• Reduced noise with Soft-PWM operation
• Smooth start and stop of the fan with adjustable time or preset speeds
• Speed adjustment with built-in potentiometer or sensors
• Compliance with international standards CE, UL, CUL, EN (LVD) & ROHS Directive