Part Number: 3EST27-99; Derivative Model: Industrial-grade Communication Controller (Railway Application Optimized); Sub-model: Standard Configuration for Train Control System Integration
Alternate P/N: N/A (Fully Compatible with Bombardier Train Control Ecosystem, Railway Signaling Accessories and Industrial Control Networks)
Brand: BOMBARDIER (Transportation Division, Industrial Automation & Control Systems)
Product Category: Industrial Communication Controller (Dual-mode Protocol Conversion & Data Transmission Unit for Railway Applications)
Product Series: Bombardier 3EST Series (High-reliability Communication Controllers for Rail Transit and Heavy Industry)
Core Application: Designed as a dedicated communication controller for rail transit and industrial control systems, mainly used for data exchange, protocol conversion, signal transmission and remote monitoring in scenarios such as high-speed trains, urban rail transit, railway signaling systems and industrial automation workshops. It serves as a core hub for interconnection between on-board devices, ground control centers and distributed control nodes, ensuring stable and real-time data communication under harsh operating conditions, and supporting system-level fault diagnosis and status feedback to improve the overall reliability of the control system.
Core Features: Multi-protocol compatibility for seamless cross-system integration; Industrial-grade hardware design for anti-vibration and anti-interference; Redundant communication channels for fault tolerance; Real-time data processing and low-latency transmission; Integrated protection mechanisms for harsh environments; Compact structure suitable for on-board and cabinet installation; Support for remote configuration and firmware upgrade; Compliance with railway industry safety and EMC standards.
2. Electrical Specifications
2.1 Power Supply
Supply Voltage: 70VDC ~ 140VDC (nominal, railway standard); Voltage Tolerance: ±15% (60VDC ~ 160VDC); Power Consumption: ≤20W (typical operation at 110VDC); No-load Current: ≤150mA; Load Current: ≤200mA (max).
2.2 Input/Output Parameters
Digital Inputs (DI): 8-channel configurable digital input, 24V DC (PNP/NPN selectable via software); Response Time: ≤100µs; Input Impedance: ≥10kΩ; Suitable for sensor signal acquisition, status feedback of on-board devices and emergency command input.
Digital Outputs (DO): 4-channel relay output, normally closed (NC) default; Contact Capacity: 6A @ 250V AC / 30V DC; Mechanical Service Life: 100,000,000 cycles; Used for device interlock control, alarm activation and auxiliary circuit switching.
Analog Inputs (AI): 4-channel differential analog input; Input Type: 4-20mA DC / 0-10V DC (software configurable); Input Accuracy: ±0.1% FS (full scale) at 25°C; Input Impedance: ≥1MΩ (voltage input), ≤250Ω (current input); Noise Rejection: ≥60dB (50/60Hz).
2.3 Communication Interfaces