1. Product Overview

2. Model Code Explanation

• MM: MOVIMOT decentralized drive

• 03: Rated power 0.37 kW

• C: Series C (improved version over MM..A)

• 503: 3‑phase 380–500 V AC supply, standard control

• ‑00: Standard version (common full model: MM03C‑503‑00)

3. Technical Specifications

3.1 Electrical

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

• Rated output power: 0.37 kW

• Rated output current: 1.3 A

• Output frequency: 0–400 Hz

• Control modes: VFC (vector) / U/f (selectable)

• Communication: RS‑485 (integrated)

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

• Safety: Optional STO (Safe Torque Off)

• Brake control: Integrated brake management (for SEW brake motors)

• Overload: 150% for 60 s, 175% for 2 s

3.2 Mechanical & Environmental

• Protection class: IP55 (dust/water resistant, motor‑mounted)

• Cooling: Natural convection

• Dimensions (W×H×D): Approx. 120 × 180 × 80 mm

• Weight: 2.65 kg

• Operating temp: ‑25 °C to +40 °C

• Storage temp: ‑25 °C to +70 °C

4. Key Features

1. Decentralized installation: Mounts directly on motor, reduces cabinet wiring and space.

2. IP55 protection: Suitable for harsh industrial environments (dust, moisture).

3. Integrated functions: EMC filter, brake control, motor protection, and RS‑485.

4. Easy setup: DIP switches and potentiometers for basic configuration (no PC required).

5. Quiet operation: 16 kHz PWM switching frequency for low noise.

6. 4‑quadrant operation: Standard for motoring and regenerative modes.

5. Typical Applications

• Conveyor systems (logistics, food, automotive)

• Packaging machinery

• Material handling equipment

• Small fans, pumps, and general automation

• Motor‑integrated drive solutions

6. Installation & Wiring

6.1 Mechanical

1. Mount on motor flange or rigid bracket (torque: 3.0 Nm).

2. Ensure free airflow around the unit; avoid direct heat sources.

3. Tighten mounting screws evenly (3.0 Nm).

6.2 Electrical

• Power (L1/L2/L3/PE): 3×380–500 V AC, reliable protective earth.

• Motor (U/V/W/PE): Shielded cable to motor terminals.

• Control (X6): 24 V DC, direction, enable, fault signals.

• RS‑485 (X50): Interface for commissioning and networking.

6.3 EMC Guidelines

• Use shielded cables for motor and control lines; ground shields at both ends.

• Separate power and signal cables by ≥20 cm to reduce interference.

• Complies with EN 61800‑3.

7. Commissioning

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

2. Set DIP switches (S1: RS‑485 address; S2: brake/control mode).

3. Adjust potentiometers:

   • f1: Max frequency (0–400 Hz)

   • f2: Min frequency (2–40 Hz)

   • t1: Ramp time (0.1–10 s)

4. Apply main power; green LED indicates standby.

5. Test run at low speed; check for noise/vibration. Gradually increase to rated speed.

8. Status & Faults

8.1 LED Indications (3‑color)

• Green (steady): Ready

• Green (flash): Running

• Red (flash): Fault

• Yellow: Warning (e.g., overheat pre‑alarm)

8.2 Common Faults

• F01: Overcurrent (short circuit, overload, motor fault)

• F02: Overvoltage (supply surge, regenerative load)

• F03: Overtemperature (blocked ventilation, high ambient)

• F04: RS‑485 communication error (cable, address mismatch)

• F08: Speed monitoring error (motor blocked)

9. Maintenance

• Inspect every 6 months:

  • Clean dust from heat sink and ventilation slots.

  • Check terminal tightness (torque: 0.8–1.5 Nm).

  • Verify cable insulation and connector integrity.

• Keep firmware updated via SEW MOVITOOLS®.

10. Storage & Disposal

• Store in a dry, clean area (‑25 °C to +70 °C); keep original packaging.

• Dispose per local WEEE regulations; recycle metal, plastic, and electronic components separately.