1. Model Code Definition

2. Main Electrical Parameters

• Rated Output Power: 0.55 kW

• Input Voltage: 3-phase AC 380~480 V

• Input Frequency: 50 Hz / 60 Hz

• Rated Continuous Output Current: 2.0 A

• Output Voltage Range: 0~480 V three-phase AC

• Output Frequency Range: 0~400 Hz

• Control Mode: V/F open-loop control / Sensorless vector control

• Overload Capacity: 150% rated current for 60 seconds

• Adjustable Switching Frequency: 4kHz / 8kHz / 12kHz / 16kHz optional

• Built-in STO Safe Torque Off function as standard

3. Physical & Environmental Parameters

• Protection Class: IP20

• Cooling Method: Natural air cooling, no built-in fan

• Operating Ambient Temperature: 0°C ~ +45°C (full power operation)

• Storage Temperature: -25°C ~ +70°C

• Working Humidity: 5%~95%, non-condensing environment

• Installation Type: Vertical wall mounting

• Maximum Applicable Altitude: ≤1000m without power derating

• Vibration Resistance: Suitable for light industrial working environment

4. Standard Control Interfaces

• Built-in RS485 communication interface, support Modbus RTU protocol

• Analog speed reference input: 0-10V DC / 0-20mA dual signal

• 6 sets of programmable 24V DC digital input terminals

• 2 sets of programmable relay signal output terminals

• PTC motor over temperature protection input terminal

• External brake resistor connection terminal

• Multi-section fixed speed control terminals

• Optional extended communication modules: PROFINET, PROFIBUS etc.

5. Core Functions

• Adjustable acceleration and deceleration time: 0.1s~600s

• Integrated dynamic braking and DC braking for rapid stop

• Intelligent energy saving operation mode

• Three control modes: local panel, external terminal, remote communication

• Slip compensation function to stabilize operating speed

• Soft start and soft stop to reduce mechanical impact

• Built-in PID closed-loop control for constant pressure and constant speed

• Support parameter copy, save and restore function

• Stable low-speed torque output performance

6. Complete Protection Functions

• Instantaneous overcurrent and thermal overload protection

• Over voltage and under voltage protection

• Three-phase input phase loss detection protection

• Inverter internal overheating protection

• Electronic thermal motor overload protection

• Output short circuit protection

• Motor earth fault protection

• Anti-stall running protection

• ESD anti-static protection for control terminals

• Hardware STO safety torque off protection

7. Installation & Wiring Requirements

1. Cut off all power supply before wiring and maintenance work

2. Separate power cables and control cables to avoid electromagnetic interference

3. Ensure reliable PE earthing connection

4. Keep enough surrounding space for heat dissipation

5. Do not install in dusty, humid, oily and corrosive places

6. Use shielded special motor cables for output connection

8. Commissioning Steps

1. Check all wiring to exclude wrong connection and short circuit risk

2. Confirm input power voltage matches inverter rated voltage

3. Set correct motor rated voltage, current, frequency and speed parameters

4. Select suitable control mode according to site demand

5. Set reasonable acceleration/deceleration time and frequency limit

6. Perform no-load test run firstly and check motor running status

7. Put into formal load operation after stable running

9. Daily Maintenance

• Regularly clean surface dust every 3-6 months

• Periodically check tightness of all wiring terminals

• Monitor real-time running current and working temperature

• All fault inspection and maintenance must be operated by qualified professional electricians

10. Application Scope

11. Compliance Standards