Technical Parameters Basic Information Brand: ALSTOM / Converteam Part Number: MCND04 Form Factor: Standard 3U slide-in rack pluggable drive module Matching peripheral boards: MVTU/MVTT traction master CPU, MVAJ/MVAX/MVUA high voltage auxiliary power supply, MCGV/MCGG analog sampling boards, MCAA/TRVC/P127 TCMS communication boards, MMLB/MMLG digital I/O expansion boards Application: European urban metro & light rail traction inverter, three-phase IGBT power module drive and real-time fault diagnosis Control & Gate Drive Power Supply Logic control power: DC 24V vehicle control power, 18–30VDC operating range Isolated gate drive power: ±18V isolated power from high voltage auxiliary power board Max power consumption: 8.2 W Protection: Reverse polarity diode, TVS surge filter, input overcurrent fuse, undervoltage lockout Core Drive & Monitoring Functions Multi-channel isolated IGBT gate drive output Galvanically isolated drive signals for inverter power IGBTs, strong driving capability to reduce switching loss; built-in gate resistor matching for power modules Real-time hardware fault detection circuit IGBT desaturation protection (hardware fast shutdown within microseconds) Instant overcurrent detection on power loop Gate power supply loss monitoring Power module temperature fault feedback channel Hardware interlock blocking signal Once any IGBT fault is detected, immediately send hardware blocking pulse to master CPU and lock drive output, independent of software judgment to prevent module burnout Fault latch & status feedback All fault states are latched and uploaded to master control via internal rack bus for fault recording and vehicle TCMS reporting Internal Rack Communication Proprietary high-speed backplane bus, bidirectional data exchange with traction master CPU: receive synchronous PWM modulation commands; upload real-time drive status, IGBT fault codes and temperature alarm signals. Mechanical Specifications Overall dimension: H130 mm × W98 mm × D220 mm PCB protection: Full acrylic conformal coating, anti-moisture, anti-corrosion, anti-dust, anti-mold Front panel LED indicators: Power OK, Drive Enable, IGBT Fault, Gate Power Abnormality, Rack Bus Disconnect Fastening structure: Anti-looseness lock buckle, stable electrical contact under long-term vehicle vibration and shock Railway Environmental & EU EN Compliance Operating ambient temperature: -25 ℃ ~ +70 ℃ Storage & transport temperature: -40 ℃ ~ +85 ℃ Relative humidity: 5% ~ 95% non-condensing Vibration test standard: IEC 61373 railway rolling stock Shock resistance: 12g half-sine wave impact test EMC standard: EN 50121-3-2 railway vehicle electromagnetic compatibility Fire safety grade: EN 45545-2 HL2 low smoke, low toxicity flame retardant material