Technical Parameters Basic Information Brand: Alstom / Converteam Type: Modular real-time automation controller Application: Metro/EMU traction cabinet, marine drive system, power auxiliary control, distribution substation logic control Architecture: 3U plug-in card + 19-inch backplane rack Power Supply Standard operating voltage: DC 24V Input range: 18 ~ 30 VDC Rack power module options: 100W / 250W Built-in protection: Reverse polarity, overcurrent, overvoltage, short-circuit auto-lock CPU Performance Scan cycle: 0.5ms ~ 10ms configurable real-time task Program memory: Max 2MB logic storage Data register memory: 512K non-volatile memory Programming languages: Ladder Diagram, Function Block Diagram, Structured Text Onboard diagnostic LED for power, run, fault, communication status I/O Module Specifications Digital Input DI DC24V isolated input, 16/32 channels per card Digital Output DO Transistor sinking output / relay contact output optional Relay rating: 5A 250VAC, 3A 110VDC Analog AI/AO AI: 4~20mA / 0~10V, 12-bit isolation, 8/16 channels AO: 4~20mA analog control output Maximum expandable I/O: Up to 1024 digital points + 256 analog points per control rack Communication Interfaces Internal backplane high-speed proprietary bus for inter-card data exchange Front RS232 port: Local programming & parameter download Isolated rear RS485: Modbus RTU, Alstom traction dedicated protocol Optional Ethernet module: TCP/IP, IEC 60870-5-104 for SCADA connection Can bus expansion interface for vehicle on-board equipment linkage Mechanical Specifications Single module size: H130 × W25 × D220 mm Rack type: 4/8/12-slot 19-inch standard cabinet rack PCB treatment: Full acrylic conformal coating against moisture, dust and corrosion Cooling: Natural convection, fan cooling optional for high-density racks Environmental & Railway Compliance Operating temperature: -25 ℃ ~ +70 ℃ Storage temperature: -40 ℃ ~ +85 ℃ Humidity: 5% ~ 95% non-condensing Vibration standard: IEC 61373 railway rolling stock specification Shock resistance: 12g half-sine wave impact EMC standard: EN 50121-3-2 railway vehicle electromagnetic compatibility Certifications: CE, RoHS, marine certification optional