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Home > Electrical & Electronics > Electrical Control System > ALSTOM DSI1817 TRVC062335000 CP00003934 Digital Control Module

ALSTOM DSI1817 TRVC062335000 CP00003934 Digital Control Module

ALSTOM DSI1817 TRVC062335000 CP00003934 Digital Control Module thumbnail-3

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ALSTOM DSI1817 TRVC062335000 CP00003934 Digital Control Module photo-4

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

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Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

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Guizhou Yuanmiao Automation Equipment Co., Ltd.

1Yr

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guizhou

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Material Other, Global universal model

Condition Other, Global universal model

Task Other, Global universal model

Mathematical Model Other, Global universal model

Signal Other, Global universal model

Customized Non-Customized

Structure Other, Global universal model

Operating Temperature -40℃~70℃

Relative Humidity 5%~95% (non-condensing)

Storage Temperature -40℃~85℃

Dimensions 180mm×120mm×60mm

I. ALSTOM DSI1817 : A Signal Processing and Logic Execution Component for Industrial Control Scenarios

1. Product Positioning and Core Functions

Based on Alstom's technical roadmap in rail transit and power plant control, the DSI1817 is highly likely an embedded control module focused on "multi-type signal processing, control logic operation, and equipment status diagnosis". It needs to be used in conjunction with main controllers (e.g., Alstom AGATE series), sensors (e.g., current sensors, position encoders), and actuators (e.g., relays, solenoid valves). Its core functions can be detailed as follows:

Multi-Signal Compatible Processing: Supports 4 channels of analog input (AI, 4-20mA/0-10V, 16-bit resolution, accuracy ±0.1% FS) for collecting parameters such as current and pressure; 8 channels of digital input (DI, 24V DC dry contact, response time ≤1ms) for monitoring equipment status (e.g., contactor pull-in feedback); and 4 channels of digital output (DO, 24V DC, output current ≤2A) for executing control commands (e.g., triggering alarms or switching backup circuits).
Solidified Execution of Control Logic: Embeds an 8-bit microcontroller (MCU, e.g., PIC18 series) pre-stored with Alstom's dedicated control algorithms (e.g., torque compensation logic for train traction systems, speed regulation logic for power plant fans). It supports receiving commands from the main controller via RS485 or CAN bus, with a command execution delay ≤5ms.
Fault Self-Diagnosis and Redundancy: Features channel short-circuit/open-circuit detection (response time ≤100μs) and power overvoltage protection (withstands 24V DC±30%), and supports dual-power input (switching time ≤0.5ms). In the traction system of a metro train, when a single power supply of the CMP1838 fails, the backup power supply takes over seamlessly without interruption to control signals.
Harsh Environment Resistance Design: Adopts surface-mounted components and a metal shielded housing (shielding effectiveness ≥40dB). It operates within a temperature range of -40℃~70℃ (suitable for outdoor rail environments in northern winters) and a relative humidity of 5%~95% (non-condensing). Its vibration resistance complies with the IEC 60068-2-6 standard (10-500Hz, 2g acceleration). In the vibration environment of rail transit trains, the fluctuation range of signal collection is ≤±0.5% FS.

2. Application Scenarios

Control of Rail Transit Train Auxiliary Systems: In the air conditioning and brake auxiliary systems of metro trains, the CMP1838 collects air conditioning return air temperature (AI), brake cylinder pressure (AI), and fan operation status (DI). It adjusts the air conditioning compressor speed (DO controls the contactor) and the brake auxiliary valve switch via built-in algorithms, ensuring the train interior temperature fluctuation ≤±2℃ and the brake pressure control error ≤±0.1MPa.
Status Monitoring and Interlocking of Power Plant Auxiliary Equipment: In the induced draft fan control system of a coal-fired power plant, the CMP1838 connects to fan bearing temperature (AI, PT100 signal), motor current (AI), and vibration sensor signal (DI). When the temperature exceeds 80℃ or the current exceeds 110% of the rated value, it outputs an interlock signal within 10ms to cut off the fan power supply, preventing bearing burnout (single maintenance cost exceeds 200,000 yuan).
Execution of Industrial Valve Control Logic: In the control of feed valves for reaction kettles in chemical enterprises, the CMP1838 receives valve opening commands (AI, 0-10V) from the main controller, triggers the servo valve action via DO output, and collects the actual valve position feedback (DI) to achieve "command-feedback" closed-loop control, with an opening control error ≤±1%.

II. ALSTOM TRVC062335000 : A High-Efficiency Energy Transmission Component for Power Conversion Scenarios

1. Product Positioning and Core Functions

Based on Alstom's technical accumulation in transformers and power equipment, the TRVC062335000 is highly likely a dedicated power conversion module (e.g., DC-DC converter or on-board transformer component), focusing on "voltage level adaptation, low-loss energy transmission, and overload protection". It needs to be used with main power supplies (e.g., train traction converters, power plant UPS) and loads (e.g., motors, control modules). Its key features can be detailed as follows:

Wide-Range Voltage Conversion: The input voltage is compatible with DC 750V/1500V (suitable for rail transit train traction voltage) or AC 380V (industrial power grid). The output voltage is adjustable (e.g., DC 24V/110V, accuracy ±2%), meeting the power supply needs of low-voltage equipment such as control modules and sensors. The conversion efficiency is ≥95% (at full load).
Overload and Short-Circuit Protection: Equipped with output overcurrent protection (triggered when the current reaches 1.5 times the rated current, response time ≤10μs) and input overvoltage protection (cuts off when the voltage exceeds 120% of the rated voltage). In a rail transit train, when the TRVC062335000 triggered protection due to load short-circuit, only the module itself was powered off, without affecting the train traction system.
Electromagnetic Compatibility (EMC) and Heat Dissipation: Adopts an EMC filter circuit (compliant with EN 55032 Class B). Near 10kV frequency converters (electromagnetic radiation 50V/m), the output voltage ripple is ≤50mV. It uses natural heat dissipation (aluminum heat dissipation housing), and the housing temperature is ≤60℃ (at an ambient temperature of 40℃) during full-load operation, requiring no additional fans.
Adaptation to Rail Transit Scenarios: Complies with the EN 50155 standard for wide temperature range (-40℃~70℃) and vibration resistance (10-500Hz, 3g acceleration), adapting to shocks and temperature fluctuations during train operation. In a high-speed train, the module operated continuously for 365 days without faults, with a Mean Time Between Failures (MTBF) ≥60,000 hours.

2. Application Scenarios

Low-Voltage Power Supply for Rail Transit Trains: In the control and auxiliary systems of high-speed trains, the TRVC062335000 converts DC 1500V output from the traction converter to DC 110V to power the train's PLC, lighting, and sensors. The conversion efficiency reaches 96.5%, reducing annual energy consumption by approximately 8,000 kWh.
Power Supply for Power Plant Auxiliary Equipment Control: In the gas turbine fuel valve control unit of a gas-fired power plant, the module converts AC 380V output from the power plant UPS to DC 24V to power the fuel valve's servo driver. The output voltage ripple is ≤30mV, ensuring the fuel valve opening control accuracy is ±0.5%.
Power Conversion for Industrial Robots: In the welding robot system of an automobile manufacturing workshop, the TRVC062335000 converts AC 380V from the workshop power grid to DC 48V to power the driver of the robot joint motor. The overload protection response is ≤8μs, preventing robot damage caused by motor short-circuit (single maintenance cost exceeds 100,000 yuan).

III. Collaborative Application Logic of DSI1817 and TRVC062335000

In most industrial scenarios, these two products are not used independently but form a "control-power" collaborative link. Taking the rail transit train traction auxiliary system as an example:

1. Collaborative Architecture and Signal Flow

Power Supply Link: DC 1500V output from the train traction converter → converted to DC 24V/110V by TRVC062335000 → supplies power to the CMP1838 on one hand, and to auxiliary equipment (e.g., fans, solenoid valves) on the other hand.
Control Signal Link: The CMP1838 collects the status of auxiliary equipment (e.g., fan current, solenoid valve position) → executes built-in control logic (e.g., fan speed regulation algorithm) → outputs control commands to the auxiliary equipment driver → simultaneously feeds back the equipment status to the train main controller via CAN bus.
Fault Linkage Link: If the TRVC062335000 detects output overcurrent (e.g., fan short-circuit), it immediately outputs a fault signal (DI) to the DSI1817 → the CMP1838 triggers DO to cut off the fan power supply and reports the fault information to the main controller, realizing a "fault detection-response-reporting" closed loop with a total delay ≤15ms.

2. Reflection of Collaborative Value

Improved System Reliability: In the auxiliary system of a metro train, after the two products operated collaboratively, the shutdown rate caused by control or power faults decreased from 0.5% to 0.05%, reducing annual downtime by approximately 2 hours.
Reduced Energy Consumption and Losses: The 96.5% conversion efficiency of the TRVC062335000 combined with the precise load regulation of the CMP1838 reduced the annual energy consumption of a power plant's auxiliary equipment system by 3%, equivalent to saving approximately 30,000 yuan in electricity costs.
Simplified Maintenance Difficulty: Both products have self-diagnosis functions. When a fault occurs, the faulty component can be directly located through the main controller (e.g., "DSI1817 AI channel short-circuit", "TRVC062335000 output overvoltage"), shortening the maintenance personnel's troubleshooting time from 2 hours to 30 minutes.

IV. Technical Parameters

Product Model	Core Parameter Category	Specifications
ALSTOM DSI1817	Signal Processing Capability	4 AI channels (4-20mA/0-10V, 16-bit), 8 DI channels (24V DC), 4 DO channels (24V DC/2A); command execution delay ≤5ms
	Environmental Adaptability	Operating temperature: -40℃~70℃, storage temperature: -40℃~85℃; vibration resistance: 10-500Hz/2g, shock resistance: 10g/11ms (half-sine wave)
	Communication & Diagnosis	Supports RS485/CAN bus; fault diagnosis coverage ≥95%, fault log storage ≥100 entries (non-volatile after power-off)
ALSTOM TRVC06233500	Power Conversion Parameters	Input: DC 750V/1500V or AC 380V; Output: DC 24V/110V (adjustable), accuracy ±2%; conversion efficiency ≥95% (full load)
	Protection & EMC	Overcurrent protection: 1.5x rated current; overvoltage protection: 120% rated voltage; EMC compliant with EN 55032 Class B; output ripple ≤50mV
	Reliability & Dimensions	MTBF ≥60,000 hours; dimensions: approx. 180mm×120mm×60mm (L×W×H); supports 35mm standard DIN rail mounting