1. Product Overview

2. Model Code Explanation

• MM: MOVIMOT decentralized drive system

• 11: Rated power 1.1 kW

• C: C‑series (intermediate generation)

• 503: 3‑phase 380–500 V AC

• -00: Standard configuration

• Part number: 824118X

3. Technical Specifications

3.1 Electrical Parameters

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

• Rated Input Current: 2.4 A

• Rated Output Power: 1.1 kW

• Rated Output Current: 3.2 A

• Output Frequency Range: 2–100 Hz

• Control Modes: U/f control, basic vector control

• Digital I/O: 4 programmable inputs / 2 programmable outputs

• Communication: RS‑485 (Modbus RTU, optional)

• Brake Function: Integrated brake control for SEW brake motors

• Overload Capacity: 150% rated current for 60 seconds

• EMC: Built‑in EMC filter (no external filter needed, improved over B‑series)

3.2 Mechanical & Environmental Parameters

• Protection Class: IP55

• Cooling Method: Natural convection

• Dimensions (W × H × D): Approx. 130 × 175 × 100 mm

• Weight: 1.4 kg

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

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

4. Main Features

• Built‑in EMC filter simplifies installation and meets industrial EMC standards (B‑series requires external filter).

• Compact motor‑mounted design saves control cabinet space.

• Improved thermal performance compared to B‑series for better reliability.

• Integrated brake control for seamless operation with SEW brake motors.

• Robust IP55 enclosure for harsh industrial environments.

• Drop‑in compatible with B‑series in mounting and wiring for easy upgrade.

5. Product Status & Replacement

• MM11C-503: Obsolete, no longer in production.

• Direct Replacement: MM11D-503 (D‑series, latest generation).

6. Typical Applications

• Material handling conveyors and logistics systems

• Packaging, labeling, and small processing machinery

• Industrial fans, water pumps, and general automated equipment

7. Installation & Wiring

7.1 Mechanical Installation

1. Mount directly on the flange of SEW DRS/DRE/DRP series motors.

2. Tighten mounting screws to 3.0 Nm.

3. Ensure adequate ventilation; avoid direct heat sources.

7.2 Electrical Wiring

1. Power (L1/L2/L3/PE): Connect to 3‑phase 380–500 V AC; ensure reliable grounding.

2. Motor (U/V/W/PE): Use shielded cables to connect to motor terminals.

3. Control: 24 V DC for run/stop, direction, and enable signals.

4. Communication: RS‑485 port for Modbus RTU (optional).

8. Commissioning

1. Verify all wiring and insulation before power‑on.

2. Set motor parameters, control mode, and communication address via DIP switches.

3. Power on; steady green LED indicates standby status.

4. Test run at low speed; check for abnormal noise/vibration, then ramp to operating speed.

9. Status Indication & Common Faults

9.1 LED Status

• Steady green: Ready for operation

• Flashing green: Motor running

• Flashing red: Fault alarm

9.2 Typical Faults

• Overcurrent: Short circuit, overload, or motor winding fault

• Overvoltage: Input surge or regenerative voltage

• Overtemperature: Poor ventilation or high ambient temperature

• Communication error: Cable damage or incorrect address settings

10. Maintenance

• Clean heat sink dust every 6 months to ensure heat dissipation.

• Regularly check terminal tightness and cable condition.

• Replace damaged seals to maintain IP55 protection.

11. Storage & Disposal

• Store in a dry, clean environment within the specified temperature range.

• Dispose of per local WEEE directives; recycle metal, plastic, and electronic components.