Technical Specifications Basic Identification Brand: Alstom Full Part Number: WGS.ZN0028011 Hardware Revision: A04 Drawing Code: D12213090127 Product Type: Plug-in Traction Logic Control PCB / Signal Conditioning Board Application: Metro/EMU traction cabinet, traction motor speed detection, auxiliary control interlock, analog sensor signal processing Electrical Parameters Rated Operating Supply Voltage: DC 24V Voltage Tolerance Range: 16.8V ~ 33.6 VDC Total Board Power Consumption: Max 15W Analog Input Channels: 6 channels, 0~10V / 4~20mA sensor signal interface ADC Conversion Precision: 16-bit high precision sampling Digital Input (DI): 8 channels, 24VDC level vehicle feedback signal Digital Output (DO): 6 transistor fast drive outputs for actuator & valve control Onboard Storage: Flash memory for parameter configuration & fault log storage Communication Interface: Proprietary serial backplane bus for master control unit data exchange Insulation Grade: Reinforced insulation between power & signal circuits, 2kVAC dielectric withstand EMC Protection: Built-in TVS surge suppressors, LC filter modules for railway high interference environment Mechanical & Installation Mounting Form: Standard 3U rack slide-in plug-in card, compatible with Alstom WGS series cabinet backplane Connection Method: Rear gold-plated edge connector for power, signal and bus wiring PCB Protection: Full conformal acrylic coating, anti-humidity, anti-corrosion, anti-condensation Overall Dimensions: H 130 mm × W 100 mm × D 215 mm Net Weight: 0.72 kg Fixing: Front panel lock buckle to prevent loosening during vehicle operation Environmental & Railway Performance Operating Ambient Temperature: -25 ℃ ~ +70 ℃ Storage & Transport Temperature: -40 ℃ ~ +85 ℃ Relative Humidity: 5% ~ 95% non-condensing