ABB ACS550-01-031A-4 Low-Voltage AC Variable Frequency Drive

Description

Technical Specifications

Core Power Ratings

• Input Voltage: 3-phase, 380–480 VAC, ±10% toleranceABB
• Input Frequency: 48–63 Hz
• Output Power (Normal Duty): 15 kW / 20 HPABB
• Output Power (Heavy-Duty): 11 kWABB
• Output Current (Normal Duty): 31 AABB
• Output Current (Heavy-Duty): 23 AABB
• Output Voltage: 0–input voltage (variable frequency)
• Switching Frequency: Adjustable up to 16 kHz
• Power Factor: ≥ 0.95 (typical)

Control & Communication

• Control Modes: Direct Torque Control (DTC), V/F control, sensorless vector control
• Speed Regulation Accuracy: ±0.01% (with encoder), ±0.5% (sensorless)
• Torque Response: < 5 ms (DTC mode)
• Built-in I/O:
  • 6 digital inputs
  • 2 analog inputs (0–10 V / 4–20 mA)
  • 2 analog outputs (0–10 V / 4–20 mA)
  • 3 relay outputs (250 VAC / 30 VDC, 5 A)
• Communication: Built-in RS-485 Modbus RTU; supports fieldbus adapters (PROFIBUS, EtherNet/IP, etc.)
• Control Panel: Assistant Control Panel (HMI) with LCD display and keypad

Mechanical & Environmental

• Dimensions (H×W×D): 583 × 203 × 231 mm
• Weight: 16.0 kg
• Mounting: Wall-mountedABB
• Enclosure Rating: IP21 (indoor, dust and drip-proof)ABB
• Operating Temperature: -10°C to +40°C (derate above 40°C)
• Storage Temperature: -40°C to +70°C
• Humidity: 5–95% RH, non-condensing
• Altitude: Up to 1000 m (derate above 1000 m)
• EMC Compliance: Built-in C2 EMC filter (1st environment) as standard
• Certifications: CE, UL, cUL, C-Tick, RoHS compliant

Protection & Reliability

• Overload Capacity: 150% for 60 seconds, 200% for 2 seconds
• Built-in Protections: Overvoltage, undervoltage, overcurrent, short-circuit, overtemperature, motor overload, phase loss, ground fault
• Cooling: Forced-air cooling
• MTBF: > 100,000 hours (industrial operation)

Key Features

Advanced Direct Torque Control (DTC)

• Precise Motor Control: Delivers instantaneous torque response and accurate speed regulation without encoder feedback.
• High Dynamic Performance: Maintains stable operation under rapid load changes and demanding motion profiles.
• Energy Optimization: Minimizes motor losses and reduces energy consumption compared to V/F control.

User-Friendly Operation & Setup

• Assistant Control Panel: Intuitive LCD HMI with parameter menus, fault diagnostics, and real-time monitoring.
• Application Macros: Pre-programmed macros for pumps, fans, conveyors, and other common applications reduce setup time.
• FlashDrop Tool: Enables fast parameter copying and firmware updates without powering the drive.
• DriveWindow Light 2: PC software for commissioning, monitoring, and troubleshooting via USB or RS-485.

Integrated Connectivity & Flexibility

• Built-in Modbus RTU: Seamless integration with PLCs and SCADA systems without additional modules.
• Fieldbus Compatibility: Supports a wide range of industrial fieldbuses via plug-in adapters.
• Flexible I/O Configuration: Customizable digital and analog I/O for diverse control interfaces.
• PID Controller: On-board PID for process control (pressure, flow, level, temperature).

Robust Industrial Design

• IP21 Enclosure: Protects against dust and vertical water drips, suitable for industrial control roomsABB.
• Coated Circuit Boards: Enhances resistance to humidity, dust, and chemical contaminants.
• Swinging Choke: Reduces harmonic distortion and improves power quality.
• Built-in EMC Filter: Eliminates need for external filtering, simplifying installation and compliance.

Comprehensive Protection & Diagnostics

• Multi-Level Protection: Safeguards drive, motor, and connected equipment from electrical faults.
• Real-Time Fault Logging: Stores detailed fault history for rapid troubleshooting.
• Energy Monitoring: Tracks kWh consumption, running hours, and motor load for efficiency analysis.
• Maintenance Assistant: Provides predictive maintenance alerts based on operating hours and load conditions.

Application Scenarios

HVAC & Building Automation

• Centrifugal Pumps: Precise flow control for chilled water, hot water, and condenser water systems.
• Fans & Blowers: Variable speed control for air handling units, exhaust fans, and ventilation systems.
• Chillers & Compressors: Efficient speed regulation for HVAC cooling and refrigeration equipment.
• Boiler Systems: Control of feed pumps and circulation fans for optimized thermal efficiency.

Water & Wastewater Treatment

• Water Supply Pumps: Pressure and flow control in municipal water distribution networks.
• Wastewater Pumps: Variable speed operation for sewage lift stations and treatment processes.
• Aeration Systems: Blower speed control for biological treatment processes (activated sludge).
• Filtration Systems: Pump control for reverse osmosis, ultrafiltration, and media filtration.

Industrial Manufacturing

• Conveyor Systems: Speed control for material handling, assembly lines, and packaging machinery.
• Machine Tools: Spindle and feed axis control for lathes, mills, and grinders.
• Textile Machinery: Precise speed and tension control for spinning, weaving, and finishing equipment.
• Printing & Paper: Web tension and speed regulation for printing presses and paper processing lines.

Food & Beverage Processing

• Mixers & Agitators: Variable speed control for blending, mixing, and homogenization processes.
• Pumping Systems: Hygienic pump control for food transfer, filling, and CIP (Clean-in-Place) systems.
• Packaging Machinery: Conveyor and sealing machine control for bottling, canning, and packaging lines.
• Refrigeration Systems: Compressor and evaporator fan control for cold storage and processing.

Mining & Material Handling

• Belt Conveyors: Long-distance material transport with variable speed and load compensation.
• Crushers & Screens: Speed control for mineral processing equipment.
• Hoists & Winches: Precise lifting and lowering control in mining and construction applications.
• Ventilation Fans: Reliable speed control for mine and industrial facility ventilation.

Marine & Offshore

• Shipboard Pumps & Fans: Control of ballast pumps, bilge pumps, and ventilation systems.
• Deck Machinery: Winch and crane control for cargo handling operations.
• Offshore Platforms: Process pump and fan control for oil and gas production facilities.