- Mitsubishi Inverter FR-A720 series highest level of driving performance.
- Mitsubishi Inverter FR-A720 series with design life of 10 years
- Network connection as you desired
- Mitsubishi Inverter FR-A720 series: Energy Saving, Environmental Features, Safety.
Application of Inverter FR-A720 series |
ND: Fans, Pumps, HVAC |
Power supply |
AC 3 phases 200-240V |
Rated capacity |
0.4~90kW |
Rated current |
3 - 346 A |
Output frequency range |
0.2 to 400 Hz |
Starting Torque |
200% 0.3Hz (0.4K to 3.7K), 150% 0.3Hz (5.5K or more) (under real sensorless vector control or vector control) |
Overload current rating |
150% 60s, 200% 3s (inverse time characteristics) ambient temperature 50°C |
Control Method |
Soft-PWM control/high carrier frequency PWM control (selectable from among V/F control, advanced magnetic flux vector control and real sensorless vector control) / vector control (when used with option FR-A7AP) |
Braking unit |
- |
Input |
Analog input, Digital input, Pulse train input |
Ouput |
Pulse/analog output, Pulse train output |
Protection Function |
Motor Protection, Momentary Overcurrent Protection, Overload Protection, Overvoltage Protection, Undervoltage Protection, Momentary Power Loss Ride -Thru, Heatsink Overheat Protection, Braking Resistance Overheat Protection, Stall Prevention, Ground Fault Protection: Protection by electronic circuit |
Main Control Functions |
Torque Control, Droop Control, Speed/Torque Control switch, Feed Forward Control, Zero Servo Control, Momen-tary Power Loss Ride -Thru, Speed Search, Overtorque detection, torque limit, 17 Step Speed (max.), accel/decel time switch, S-curve accel/decel, 3-wire sequence, Auto-Tuning (rotational, stationary), Online Tuning, Dwell, cool-ing fan on/off switch, slip compensation, torque compensation, Frequency Jump, Upper/lower limits for frequency reference, DC Injection Braking at start and stop, Overexcitation Deceleration, High Slip Braking, PID control (with Sleep function), Energy Saving Control, MEMOBUS comm. (RS-485 /422 , max. 115 .2 kbps), Fault Restart, Appli-cation Presets, DriveWorksEZ (customized functions), Removable Terminal Block with Parameter Backup... |
Communication |
RS- 485, Inverter transmission terminal, Inverter reception terminal, Earth (Ground), Earth (Ground) |
Peripheral Devices and Options |
LCD Operator, AC Reactor, DC Reactor, Braking Unit, Braking Resistor, noise filter... |
Degree of protection |
IP 00 open -chassis, IP 20 NEMA Type 1 enclosure |