Technical Parameters Basic Information Brand: Alstom Converteam Part No.: MCTI40N1AF07S1C Form Factor: Standard 3U slide-in rack pluggable module Matching System: EP3-E-4-EN / EPIC-III traction master control board, RIOM T35 remote I/O, analog sampling boards, gate drive PCBs Application: European urban metro, light rail traction converter, vehicle TCMS data interaction, safety interlock logic control Suffix note: S1C = European standard version compliant with EU rail vehicle EN standards Control Power Supply Rated operating voltage: DC 24V vehicle control power Operating voltage range: 18 VDC ~ 30 VDC Maximum power consumption: 8.8 W Protection design: Reverse polarity protection diode, TVS surge absorption circuit, input overcurrent fuse Isolated Digital IO Channels DC24V opto-isolated digital inputs Pantograph up/down feedback, high voltage earthing switch state, cabinet safety door interlock, emergency stop loop, cooling fan running signal, inverter ready status DC24V opto-isolated digital outputs Traction enable output, electric brake activation, system general fault alarm, cooling fan drive relay signal, high-voltage allow contact drive All IO channels with built-in EMI filter to suppress vehicle power grid transient interference Dual Communication Interfaces Internal rack proprietary backplane bus Bidirectional real-time data exchange with main traction CPU: torque commands, temperature, DC-link voltage, fault codes, power module status External isolated TCMS vehicle train bus Transmit traction system operating data, historical fault records to vehicle diagnostic unit; receive vehicle-level traction/braking, speed limit, reset commands from TCMS Mechanical Specifications Overall dimension: H130 mm × W98 mm × D220 mm PCB protection: Full acrylic conformal coating, anti-moisture, anti-corrosion, anti-dust and anti-mold Front panel LED indicators: Power OK, Rack Bus Normal, TCMS Bus Link, System Fault Alarm Fastening structure: Anti-loose lock buckle, stable electrical contact under long-term vehicle vibration operation Railway Environmental & EU EN Compliance Operating ambient temperature: -25 ℃ ~ +70 ℃ Storage & transport temperature: -40 ℃ ~ +85 ℃ Relative humidity: 5% ~ 95% non-condensing (non-condensation) 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