Technical Parameters Basic Information Brand: ALSTOM / Converteam Part Number: TRVC070346000 Form Factor: Standard 3U slide-in rack pluggable module Matching boards: MVTP series master control CPU, MVAX high voltage auxiliary power supply, KCEG/KVFG gate drive PCBs, M5A/M57 analog sampling boards, MMLB01/MMLG01 digital I/O expansion boards Application: European metro & light rail traction converter, TCMS vehicle bus communication, high voltage safety chain logic processing Control Power Supply Rated input: DC 24V vehicle control power Operating range: 18 VDC ~ 30 VDC Max power consumption: 8.8 W Protection: Reverse polarity blocking diode, TVS surge filter, input overcurrent fuse, undervoltage lockout Opto-Isolated Digital IO Resources DC24V Digital Inputs Pantograph up/down feedback, high voltage earthing switch feedback, cabinet safety door interlock loop, emergency stop chain, cooling fan run/fault signal, inverter ready status, pre-charge completion feedback, air pressure monitoring contact DC24V Digital Outputs Traction enable signal, electric brake activation, system general fault alarm relay drive, cooling fan control, high voltage permission contact output, maintenance indicator drive All IO channels with multi-stage EMI filter to suppress IGBT high-frequency switching interference Hardware input debounce circuit to eliminate vehicle power transient signal jitter Dual Isolated Communication Interfaces Internal rack proprietary high-speed backplane bus Bidirectional real-time data exchange with traction master CPU: traction torque commands, DC-link voltage, power module temperature, interlock fault status, historical fault codes Galvanically isolated external TCMS train bus Upload traction operating data, timestamped fault logs and waveform records to vehicle diagnostic unit; receive whole-vehicle traction/brake torque, speed limit, fault reset and mode switch commands from TCMS master 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, Rack Bus Active, TCMS Bus Link, System Fault Alarm, IO Channel Trigger Fastening: Anti-looseness lock buckle, stable contact under long-term vehicle vibration and shock Railway Environmental & EU EN Compliance Operating temperature: -25 ℃ ~ +70 ℃ Storage temperature: -40 ℃ ~ +85 ℃ Relative humidity: 5% ~ 95% non-condensing Vibration 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