Technical Specifications Basic Identification Brand: ALSTOM Converteam Full Part Number: TRVS339247000F Model Series: RIOM T35, MESD auxiliary signal module Product Type: Distributed Remote Input & Output I/O Unit Matching Master Controller: NEYRPIC 1000 traction control unit Application: Metro / light rail / EMU traction cabinet, vehicle auxiliary signal distributed acquisition & drive Power Supply Parameters Rated operating supply: DC 24V railway control power Operating voltage range: 18 VDC ~ 30 VDC Max total power consumption: 9.5 W Built-in protection: Reverse polarity protection, TVS surge absorption, overcurrent self-recovery fuse Circuit isolation: Reinforced isolation between power bus, input field signals and output drive circuits, 2kVAC dielectric withstand voltage I/O Channel Configuration Digital Input Channels (DI) Quantity: 16 isolated DC24V digital inputs Signal type: Passive contact feedback, 24V active level signal Input impedance: ≥10kΩ per channel Anti-chattering filter: Hardware RC filter (8ms debounce time) Digital Output Channels (DO) Quantity: 8 isolated NPN transistor sinking outputs Single channel rated drive current: 0.5A DC24V Overload short-circuit protection per channel, automatic recovery after fault removal Analog Signal Interface (MESD function) 4 channels 4~20mA temperature sensor input for traction motor / converter radiator temperature monitoring 12-bit ADC synchronous sampling, temperature linear calibration onboard Communication Interface Internal rack bus: Proprietary ALSTOM serial communication bus for data exchange with NEYRPIC 1000 master control card External vehicle bus reserved: CAN bus expansion port for auxiliary equipment data upload Front diagnostic LED indicators: Power OK, Bus Link Fault, Channel Group Alarm Mechanical & Installation Specs Mounting standard: 35mm standard DIN rail snap-on installation Housing: Sealed aluminum alloy compact casing, IP30 dust-proof Terminals: Screw-clamp terminal blocks, applicable copper wire 0.75~2.5 mm² Tightening torque: 0.9 ~ 1.1 N·m Overall dimension: H 110 mm × W 65 mm × D 98 mm Net weight: 0.62 kg