SEW MDS60A0220-503-4-00

SEW MDS60A0220-503-4-00

Product Introduction:
The MDS60A0220-503-4-00 is a frequency inverter from SEW-EURODRIVE’s MOVIDRIVE MD 60A series, configured for SERVO-type applications. The “MDS” prefix identifies this unit as operating in SERVO mode with CFC (Current Flux Control) and resolver feedback for synchronous motor drives. The “0220” indicates a recommended motor power of 22 kW. The “503” specifies a three-phase supply voltage of 380–500V without an integrated input filter. The “4” denotes four-quadrant operation with a built-in brake chopper. The “00” suffix indicates the standard configuration.

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Description

SEW MDS60A0220-503-4-00

Technical Specifications:

  • Brand: SEW-EURODRIVE
  • Series: MOVIDRIVE MD 60A
  • Type: MDS (SERVO operating mode)
  • Recommended Motor Power: 22 kW
  • Supply Voltage: 3-phase AC 380–500V, 50/60 Hz
  • Operating Mode: SERVO (CFC with resolver)
  • Quadrants: 4Q (with brake chopper)
  • Input Filter: Not integrated (external filter required if EMC compliance is needed)
  • Protection Class: IP20
  • PWM Frequency: Fixed at 8 kHz in SERVO mode
  • Speed Range: -5000 to +5000 rpm
  • Speed Resolution: 0.2 rpm

Functional Features:

  • SERVO Operating Mode: Exclusively supports CFC with resolver feedback for high-precision synchronous motor control
  • Four-Quadrant Operation: Built-in brake chopper for regenerative braking and rapid deceleration
  • No Integrated Input Filter: Requires external EMC filter installation when operating in environments with strict electromagnetic compatibility requirements
  • Modular Option Card Slots: Two option card slots for fieldbus modules, digital I/O expansion, and additional interfaces
  • IPOSplus Motion Controller: Integrated programmable positioning and logic control
  • Comprehensive Protection Suite: Overcurrent, overvoltage, undervoltage, overheating, ground fault, and motor stall protection
  • System Bus (SBus): CAN-based master-slave communication for multi-drive synchronization

Application Scenarios:

  • High-power synchronous servo motor drives
  • Machine tool main spindle drives
  • Heavy-duty automated material handling systems
  • Large-scale winding and unwinding applications
  • Industrial printing press drives
  • High-speed precision positioning systems

Performance Parameters:

  • Continuous Output Current: 42 A (at 400V, SERVO mode)
  • Output Frequency Range: 0–500 Hz
  • Overload Capacity: 150% rated current for 60 seconds
  • Speed Control Accuracy: High precision with resolver feedback
  • PWM Switching Frequency: Fixed at 8 kHz

Material Composition:

  • Industrial-grade IGBT power modules
  • Conformal-coated control circuit boards
  • Aluminum heat sink with forced air cooling
  • Steel housing with powder-coated finish

Structural Features:

  • Larger cabinet-mount housing to accommodate higher power rating
  • Power supply input terminals (L1, L2, L3)
  • Motor output terminals (U, V, W)
  • Braking resistor terminals (+R, -R)
  • Two option card PCB slots (OPTION1 and OPTION2)
  • Control card slot (CONTROL)
  • Signal terminal connectors (X10–X13)
  • Touch guard for power terminal protection
  • LED status and diagnostic indicators
  • DBG keypad interface

Working Principle:
The inverter converts three-phase AC input power through a rectifier stage into DC bus voltage, which is smoothed by capacitors. The IGBT inverter stage synthesizes variable-frequency, variable-voltage PWM output to control the connected synchronous motor. In SERVO mode, the resolver provides real-time rotor position feedback, enabling precise field-oriented current flux control (CFC). The control algorithm decouples flux and torque components for independent regulation, achieving high dynamic response and positioning accuracy.

Installation Requirements:

  • Mount vertically inside a control cabinet with at least 100 mm clearance above and below for cooling airflow
  • No side clearance required; units can be lined up in rows
  • Install external EMC input filter if electromagnetic compatibility is required
  • Use shielded motor cables with 360° shield grounding
  • Connect the resolver cable to the appropriate option card interface
  • Connect braking resistor to dedicated braking terminals for 4Q operation
  • Ensure ambient temperature remains within -10°C to +40°C operating range

Usage Precautions:

  • Perform motor initialization and auto-tuning after connecting a new motor
  • Use MOVITOOLS software or DBG11A keypad for parameter configuration and commissioning
  • Never connect or disconnect power or motor cables while the inverter is energized
  • Monitor fault codes via the LED display or MOVITOOLS software
  • Clean heat sink fins regularly to prevent overheating
  • Wait at least 5 minutes after disconnecting main power before performing maintenance to allow capacitor discharge
  • Verify supply voltage stability within ±10% tolerance before operation
  • Ensure the resolver is properly connected and calibrated before enabling SERVO mode

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