Technical Specifications
| Parameter Name | Value |
|---|---|
| Product Model | 3EST13-151 / DCA2000A |
| Manufacturer | Bombardier Transportation (now Alstom) |
| Product Type | Analog I/O Module |
| Series | MITRAC Vehicle Control Platform / DCA2000 Data Acquisition Family |
| Analog Inputs | 2 × AI, 0-10V / 4-20mA (configurable) |
| Digital Inputs | 2 × DI, 24V DC |
| Relay Outputs | 4 × RO, 250V AC/DC, 2A |
| Communication Interface | RS-485 |
| Power Consumption | ≤ 1W typical ~ 15W max (including relay drive) |
| Operating Temperature | -40°C to +70°C / +85°C (batch dependent) |
| Protection Rating | IP20 (within rack) |
| Dimensions (approx.) | 100mm × 60mm × 50mm |
| Weight (approx.) | 0.5 kg |
Main Features and Advantages
Robust sensor interface capability: The BOMBARDIER 3EST13-151 DCA2000A is equipped with two dedicated analog input channels configurable for either 4-20mA current loop or 0-10V voltage signals. This flexibility allows the module to interface with a wide variety of railway sensors including PT100 temperature transmitters, air pressure sensors, and cooling system current monitors. The module’s input range and resolution are optimized for the precision required in traction system monitoring, where early detection of abnormal parameters is essential for preventing equipment damage.
Integrated discrete I/O for distributed control: Beyond analog acquisition, the BOMBARDIER 3EST13-151 DCA2000A integrates two digital inputs and four relay outputs within the same compact form factor. This integration provides local control capability, enabling the module to actuate auxiliary equipment based on sensor thresholds without requiring additional I/O modules. The relay outputs are rated for 250V AC/DC at 2A, suitable for driving contactors, indicators, or small actuators in the auxiliary control cabinet.
MITRAC platform compatibility: The BOMBARDIER 3EST13-151 DCA2000A is specifically designed for the MITRAC rack environment used in Bombardier TRAXX locomotives and metro vehicles. Its communication protocol and physical interface are optimized for seamless integration with the MITRAC CCU, ensuring minimal configuration overhead during system commissioning. The BOMBARDIER 3EST13-151 DCA2000A communicates via RS-485, a robust differential serial bus well-suited for the electrically noisy railway environment. Field experience indicates that the key reliability indicators for the BOMBARDIER 3EST13-151 DCA2000A include RS-485 transceiver health and analog channel isolation integrity, with offset drift becoming a potential concern after extended service.
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