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ABB ACS480-04-04A1-4 Variable Frequency Drive (VFD)

1. Product Overview

2. Core Specifications

3. Key Functions

3.1 Motor Control & Energy Savings

• Dual Control Modes:
  • V/f Control: Simple, stable speed control for fans/pumps (matches voltage to frequency to avoid motor overheating).
  • Sensorless Vector Control: Precise torque control (e.g., maintaining constant torque for small conveyors) without external encoders.
• Energy Optimization: Automatically adjusts voltage/frequency based on load (e.g., reducing fan speed by 20% cuts energy use by ~50%—critical for HVAC systems running 24/7).

3.2 Basic Protection

• Overload/overcurrent protection (trips if output current exceeds 4.1 A continuously).
• Overvoltage/undervoltage protection (clamps input/output voltage to safe levels).
• Thermal protection (shuts down if VFD internal temperature >50°C).
• Short-circuit protection (instantly cuts output for phase-to-phase/phase-to-ground shorts).

3.3 Easy Integration & Operation

• Communication: Built-in RS485 (Modbus RTU) for connection to PLCs/HMIs (e.g., ABB CP600 HMI) for remote speed adjustment.
• Local Control: Front-panel keypad with LED display for setting speed, monitoring parameters (current, voltage), and resetting faults.
• Plug-and-Play Setup: Pre-configured motor templates (e.g., "pump," "fan") reduce commissioning time to <10 minutes.

4. Typical Applications

• Commercial HVAC: Controls 1.5 kW fan motors in office building air handlers—adjusts speed based on room temperature to save energy.
• Small Pumps: Regulates water pump speed in residential/commercial water supply systems (avoids pressure spikes via soft start).
• Light Industry: Drives 1.5 kW conveyor motors in small packaging lines (sensorless vector control maintains speed under varying product loads).

5. Usage Notes

1. Motor Matching: Ensure the motor is 3-phase, 380–480 V AC, and ≤1.5 kW (overloading causes frequent tripping).
2. Wiring: Separate power cables (input/output) from control cables to avoid EMI interference; ground the VFD properly (≤1 Ω resistance).
3. Environment: Keep the VFD away from dust/moisture (use IP66 version for harsh areas); ensure ≥100 mm clearance for airflow.
4. Fault Handling: After tripping, check the keypad display for fault codes (e.g., "OVERCURRENT")—resolve issues (e.g., shorted motor) before restarting.

The structure and details of the product：

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