Technical Specifications Basic Identification Brand: Alstom (Converteam legacy traction control platform) Model: NEYRPIC 1000 Product Type: Traction Drive Master Digital Control Unit Matching Platform: Alstom Onix / XHP traction converter rack Application: Metro, light rail, suburban EMU vehicle traction cabinet, main motor vector control Power Supply Electrical Parameters Rated Operating Supply: DC 24V railway control power Operating Voltage Tolerance: 18 VDC ~ 30 VDC Total Board Power Consumption: Max 16 W Built-in protection: Reverse polarity diode, TVS surge suppression, overcurrent self-fuse Circuit isolation: Reinforced isolation between power, analog sensor and digital logic circuits, withstand 3kVAC dielectric test Signal & Processing Interfaces High-speed analog sampling channels 12-channel current/voltage sensor signal (4~20mA / 0~10V) 16-bit synchronous ADC sampling for converter AC side & DC link monitoring Motor encoder signal interfaces: 2 channels incremental encoder input for traction motor speed & position feedback Digital Input (DI): 16 isolated DC24V channels for contactor status, door interlock, brake feedback Digital Output (DO): 8 fast isolated transistor outputs to drive IGBT gate trigger boards and auxiliary contactors Communication bus: VME parallel backplane bus + CAN bus for vehicle control unit (VCU) data interaction Local storage: Large-capacity onboard flash memory for traction curve parameters, fault waveform and event log storage Control Performance Index Main control chip: High-speed floating-point DSP real-time processor Control cycle: ≤100μs full vector closed-loop calculation cycle Torque control precision: ±2% rated motor torque steady-state error Fault response speed: ≤1ms hardware overcurrent/overvoltage hardware interlock trigger Mechanical & Installation Mounting form: Standard 3U VME slide-in pluggable module Connection: Rear gold-plated VME edge connector for rack power and bus communication PCB protection: Full anti-condensation, anti-corrosion conformal coating Overall dimensions: H 130 mm × W 100 mm × D 220 mm Net weight: 0.78 kg