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• SKU: A720HG3-355
• Input phase: 3 phase
• Input voltage: 380V ± 15%
• Input frequency: 50/60Hz
• Control method: V/F, SVC
• Braking Resistor: 3.8Ω/19000W * 3
• HS Code: 8504409940
• Size: 1250*800*450mm
• Output phase: 3 phase
• Output voltage: 0 - 380V
• Output frequency: 0 - 400Hz (low mode)
• Output frequency: 0 - 3200Hz (high mode)
• Output current: 0 - 650A
• Output power: 0 - 355kW (476HP)
• R, S, T: connected to 3-phase AC power supply 380V
• U, V, W: connected to the three-phase motor
• PE: grounding connection
• P+, PB: connected to the brake resistance
• X1 - X5: multifunction digital input terminals; effective when closed to COM; function is defined by Parameters P4-00 to P4-04
• X6: similar to X1-X5; also as high-speed pulse input terminal, see Parameters P4-28 to P4-32
• Y: can be high-speed pulse output; also can be collector output; see Parameters P5-00 and P5-09
• AI1: analog input 1; voltage, 0-10V, input impedance 100kΩ; current, 0-20mA, input impedance 500Ω; Jumper CN400 determine voltage or current input mode
• AI2: analog input2; voltage, 0-10V, input impedance 100kΩ
• AO1: analog output 1; voltage, 0-10V; current, 0-20mA; Jumper CN504 select voltage or current output mode; see Parameter P5-07
• TA1, TB1, TC1: multifunctional relay output 1, defined by Parameter P5-02
• TA2, TB2, TC2: multifunctional relay output 2, defined by Parameter P5-03
• +24V: power source for digital input terminals X1-X6
• +10V: power source for analog input terminals AI1 and AI2
• COM: reference ground for digital input terminals X1-X6
• GND: reference ground for analog input terminals AI1 and AI2
• 485+, 485-: standard RS485 communication port; please use twisted pair cable or shielded cable
Key PRG: enter programming mode, or return to the parent menu
Key ENTER: enter the sub menu, or confirm parameter values
Key ▲ : increase function code, menu group, or parameter value
Key ▼ : decrease function code, menu group, or parameter value
Key ⏩ : shift display parameters in monitoring mode, or change the data bit in programming mode
Key RUN: start the motor under keypad mode
Key STOP : stop the motor under keypad mode, or reset the fault alarm state
Key FUNC : switch functions based on Parameter P7-01
Indicator ALM : on indicates a fault; flashing indicates an alarm
Indicator F/R: on for reverse rotation; off for forward rotation; flashing when the VFD and motor rotate in opposite directions
Indicator RUN: on when the running frequency reaches the set value; off when the inverter is stopped; flashing during acceleration or deceleration
Indicators Hz, A, V: units of frequency, current, and voltage
A720H Variable Frequency Driver Manual
