Technical Parameters Basic Information Brand: Alstom / Converteam Model: ALSPA MV1013-S Type: 3-phase AC servo drive (discontinued original production) Application: Heavy-duty automation, marine propulsion auxiliary drives, metallurgical rolling equipment, rail vehicle auxiliary mechanical servo control Version note: S = strengthened mechanical shock & vibration resistant industrial variant Main Power Circuit Spec Input: 3-phase AC 380V ~ 480V, rated input current 12A Output: 3-phase variable AC 0 ~ 480V, rated output current 13A Max continuous drive power: Matched medium-power synchronous/asynchronous servo motor Built-in braking chopper interface for dynamic braking load Control Performance Control algorithm: Full digital vector control, 3 closed loops (position / speed / torque) Encoder support: Resolver, incremental encoder, absolute encoder interface Command signal: Analog ±10V speed/torque reference, digital pulse train, RS485 serial communication Dynamic response: High bandwidth current loop, fast torque output response I/O & Communication Digital DI/DO: Isolated 24V logic input/output for enable, fault reset, running status feedback Analog AI/AO: Isolated analog signal for external monitoring Serial bus: RS485 Modbus + proprietary ALSPA drive communication protocol for PLC linkage Protection Functions Overvoltage, undervoltage, overcurrent, overload thermal protection, motor stall, encoder loss, overheat, phase loss, short-circuit hardware lockout, power module fault self-diagnosis with fault code storage. Mechanical & Environmental Overall weight: ~6.7 kg (14.77 lbs) Installation: Standard cabinet wall-mounted vertical installation Operating temperature: 0 ℃ ~ +50 ℃ Storage temperature: -20 ℃ ~ +70 ℃ Vibration resistance: Enhanced S version meets industrial heavy vibration standard