Technical Parameters Basic Information Brand: ALSTOM / Converteam Part Number: MCGG61N1CD0503F Form Factor: Standard 3U slide-in rack pluggable module Matching System: MVTP series traction master control CPU, MVAX series high voltage auxiliary power supply, KCEG/KVFG IGBT gate drive boards, MCAA/TRVC/P127 TCMS communication boards, MMLB/MMLG digital I/O expansion boards Application: European urban metro & light rail traction converter high-precision analog monitoring and hardware safety chain interlock control Control Power Supply Rated operating voltage: DC 24V vehicle control power Operating range: 18 VDC ~ 30 VDC Max power consumption: 9.9 W Protection circuit: Reverse polarity blocking diode, TVS surge absorption filter, input overcurrent fuse, undervoltage lockout protection Analog Sampling Channels Galvanically isolated DC-link high voltage sampling: Full range DC bus voltage real-time monitoring for overvoltage/undervoltage protection Isolated three-phase AC current sampling: Inverter output current & braking resistor current closed-loop detection Multi-channel 4–20mA analog temperature inputs: Traction motor winding temperature, IGBT power module temperature, cooling medium temperature, cabinet ambient temperature Multi-stage RC EMI filtering built-in for each analog channel to eliminate high-frequency switching noise of IGBT power stage High-precision signal conditioning circuit, low drift, temperature compensation design to guarantee sampling accuracy under wide temperature range Hardware Safety Interlock Digital Inputs 12-way opto-isolated DC24V safety chain inputs: Cabinet high-voltage door interlock, emergency stop loop, cooling system fault feedback, earthing switch status, pre-charge completion signal Independent hardware interlock logic circuit: Instantly output blocking trigger signal to gate drive boards once safety loop is broken, action independent of CPU software operation Internal Rack Communication High-speed proprietary backplane bus, bidirectional real-time data interaction with MVTP traction master CPU: Upload calibrated voltage/current/temperature sampling values and interlock fault flags, receive synchronous system clock signals from master control board. 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, Sampling Active, Safety Interlock Fault, Rack Bus Communication Loss, Analog Channel Abnormality Alarm Fastening structure: Anti-looseness lock buckle, stable electrical contact under long-term vehicle vibration and impact 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