1. Product Overview

2. Model Code Explanation

• MM: MOVIMOT decentralized drive

• 30: Rated power 3.0 kW

• B: B‑series (older generation)

• 503: 3‑phase 380–500 V AC

• ‑00: Standard version; ‑30: AS‑Interface

• Part number: 8229546

3. Technical Specifications

3.1 Electrical

• Input Voltage: 3×380–500 V AC ±10%, 50/60 Hz

• Rated Input Current: 6.7 A

• Rated Output Power: 3.0 kW

• Rated Output Current: 7.3 A

• Output Frequency: 2–100 Hz

• Control Modes: V/F control (basic vector)

• Communication: RS‑485/Modbus RTU (standard); AS‑Interface (‑30)

• Digital I/O: 4DI / 2DO (24 V DC)

• Brake Control: Integrated (for SEW brake motors)

• Overload Capacity: 150% for 60 s

• EMC Filter: No internal filter (external Class A required)

• PWM Frequency: 8 kHz (noisy compared to C/D series)

3.2 Mechanical & Environmental

• Protection Class: IP55

• Cooling: Natural convection (large aluminum heatsink)

• Dimensions (W×H×D): ~180 × 220 × 140 mm

• Weight: 4.2 kg

• Operating Temperature: ‑25 °C … +40 °C

• Storage Temperature: ‑25 °C … +70 °C

4. Key Features

• Robust construction: Heavy‑duty metal housing

• Basic vector control: Good for standard applications

• Integrated brake control: Directly operates SEW motor brakes

• RS‑485 communication: Supports Modbus RTU

• Drop‑in mounting: Compatible with SEW DRS/DRE/DRP motors

5. Product Status & Replacement

• MM30B‑503‑00: Discontinued (EOL) – no new production

• Predecessor: None (B‑series is 2nd gen)

• Successor: MM30D‑503‑00 (current D‑series, part no. 18215068)

  • Built‑in EMC filter

  • 16 kHz PWM (quieter operation)

  • STO safety option (‑03)

  • Wider temp range: ‑30 °C … +40 °C

  • Lighter weight: 3.7 kg

  • Mechanically/electrically compatible

6. Typical Applications

• Conveyor lines & sortation systems

• Packaging machinery & material handling

• Industrial fans, pumps & general automation

• Older systems originally using B‑series drives

7. Installation & Wiring

7.1 Mechanical

• Mount directly to SEW DRS/DRE/DRP motor flange

• Tighten mounting screws to 3.5 Nm

• Keep heatsink clear for airflow

7.2 Electrical

• Power: L1/L2/L3/PE → 3×380–500 V AC, solid earth

• Motor: U/V/W/PE → shielded cable to motor terminals

• Control: 24 V DC, run/stop, direction, reset

• Communication: RS‑485 for Modbus RTU

• EMC: External Class A filter required near power input

8. Commissioning

1. Verify all wiring and insulation

2. Set motor parameters, I/O logic, comm address via DIP switches

3. Power on: steady green LED = standby

4. Low‑speed test run; check noise/vibration, then ramp to speed

9. Status & Faults

9.1 LED Indications

• Steady green: Ready

• Flashing green: Running

• Flashing red: Fault

9.2 Common Faults

• Overcurrent: Short circuit, overload, motor fault

• Overvoltage: Supply surge, regenerative voltage

• Overtemperature: Blocked cooling, high ambient

• Communication error: Bad RS‑485 cable, wrong address

10. Maintenance

• Clean heatsink every 6 months

• Check terminal tightness & cable condition

• Replace seals if damaged (maintain IP55)

11. Storage & Disposal

• Store in dry, clean environment within temp range

• Dispose per WEEE regulations; recycle metals, plastics, electronics