Home > Electrical & Electronics > Electrical Control System > ALSTOM N897093511D N897093051D DIAGNOSTICA N897093400H Signal Processing Unit

ALSTOM N897093511D N897093051D DIAGNOSTICA N897093400H Signal Processing Unit

Guizhou Yuanmiao Automation Equipment Co., Ltd.
1Yr
ALSTOM N897093511D N897093051D DIAGNOSTICA N897093400H Signal Processing Unit thumbnail-1
ALSTOM N897093511D N897093051D DIAGNOSTICA N897093400H Signal Processing Unit thumbnail-2
ALSTOM N897093511D N897093051D DIAGNOSTICA N897093400H Signal Processing Unit thumbnail-3
ALSTOM N897093511D N897093051D DIAGNOSTICA N897093400H Signal Processing Unit photo-1
ALSTOM N897093511D N897093051D DIAGNOSTICA N897093400H Signal Processing Unit photo-2
ALSTOM N897093511D N897093051D DIAGNOSTICA N897093400H Signal Processing Unit photo-3
Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, Global universal model
Condition:
Other, Global universal model
Task:
Other, Global universal model
Contact Supplier Request Quote Chat Now
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.

Related Products

  • Product Details

  • Company Profile
  • Contact Us
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
Dimensions 120mm×100mm×80mm
Humidity 5%~95% RH (non-condensing)
Power Input DC 74V±20% or DC 110V±15%
ALSTOM N897093511D N897093051D DIAGNOSTICA N897093400H
I. Overview
The ALSTOM N897093511D is a core control module or signal processing unit designed by ALSTOM specifically for the rail transit sector, potentially applied to train traction systems, network control, or on-board equipment condition monitoring. As an industrial-grade component, its design adheres to high-reliability standards, adapting to the harsh requirements of vehicle-mounted environments (such as vibration, electromagnetic interference, wide temperature range, etc.). This model often works in collaboration with other modules (such as N897093051D), achieving data interaction and system integration through standardized interfaces, and supporting real-time control and fault diagnosis during train operation.

N897093511D N897093051D DIAGNOSTICA N897093400H (3)

II. Technical Parameters
Parameter CategorySpecific Indicators
Power InputDC 74V±20% or DC 110V±15% (vehicle-mounted standard voltage), typical power consumption: ≤30W at no load, ≤60W at full load
Communication Interfaces- 2 channels of MVB (Multifunction Vehicle Bus, 1.5Mbps)
- 1 channel of Ethernet (10/100Mbps, supporting EtherNet/IP)
- 2 channels of RS-485 (Modbus RTU)
Input/Output Channels- Analog input: 6 channels (16-bit accuracy, 0-10V/4-20mA, supporting differential input)
- Analog output: 4 channels (12-bit accuracy, 0-5V/4-20mA)
- Digital input: 12 channels (opto-coupler isolated, 24V DC)
- Digital output: 8 channels (transistor output, maximum load 1A, supporting short-circuit protection)
Working Environment- Temperature: -40℃~+75℃
- Humidity: 5%~95% RH (non-condensing)
- Vibration standard: EN 61373 Class 1A (vehicle-mounted grade)
- Protection level: IP54
Physical CharacteristicsDIN rail installation, dimensions approximately 120mm×100mm×80mm, weight ≤1.2kg, supporting hot-swapping

N897093511D N897093051D DIAGNOSTICA N897093400H (2)

III. Working Principle1. Signal Acquisition and Processing Flow

  • Data Input: Acquires sensor signals (such as motor current, voltage, temperature) through analog channels, receives switch signals (such as circuit breaker status, button commands) through digital channels, and stores analog signals in the cache after A/D conversion to digital quantities.

  • Real-time Calculation: The built-in industrial-grade processor (such as ARM Cortex-A series) performs filtering, calibration, and logical processing on signals at high-frequency sampling (such as 20kHz) to determine the operating status of equipment (such as normal, overload, fault).

2. Control Logic and Command Output

  • Strategy Generation: Generates control strategies through preset algorithms based on the collected data and upper computer commands (such as traction/braking commands from the TCMS system), such as adjusting the output torque of the traction motor or triggering the braking logic.

  • Closed-loop Control: Drives actuators (such as converters, solenoid valves) through output channels (analog/PWM), while receiving feedback signals (such as motor speed, valve position), and real-time corrects control parameters to ensure accuracy.

3. Network Communication and System Integration
As an MVB or Ethernet node, it exchanges data with the train main control unit (VCU) and other modules (such as converter control units, sensor units) through the protocol stack:


  • Receives upper-level commands (such as start/stop, mode switching);

  • Uploads status data (such as voltage, current, temperature) and fault codes to the monitoring system.

4. Safety and Protection Mechanisms

  • Power Protection: Built-in EMI filtering and surge protection circuits to suppress the impact of vehicle-mounted power fluctuations;

  • Signal Isolation: Input/output channels adopt opto-coupler or magnetic isolation to reduce electromagnetic interference;

  • Fault Self-diagnosis: Real-time monitors chip temperature, power supply voltage, channel abnormalities, etc., reports faults through LED indicators or communication interfaces (such as code "E03" indicating analog input over-limit), and triggers protection mechanisms (such as cutting off output or switching to redundant modules).

N897093511D N897093051D DIAGNOSTICA N897093400H (1)

IV. Common Faults and Solutions
Fault PhenomenonPossible CausesSolutions
Power indicator not on1. Abnormal power input
2. Internal power module failure		1. Check whether the input voltage is within the allowable range and inspect the power cord connection
2. Replace the power module or the entire unit
Communication interruption (MVB/Ethernet)1. Damaged communication cable
2. Incorrect protocol configuration
3. Faulty interface chip		1. Use a multimeter to detect the continuity of the cable and replace the cable
2. Reconfigure the communication parameters (such as address, baud rate)
3. Replace the interface circuit board
No analog input data1. Sensor failure
2. Damaged input channel
3. Loose wiring		1. Test the channel with a standard signal source (such as inputting 4mA current and checking the module reading)
2. Check the terminal block wiring and re-plug
3. Replace the input channel or module
Abnormal digital output (no response)1. Output load short circuit
2. Damaged transistor
3. Control logic error		1. Disconnect the load, use a multimeter to detect whether the output terminal is short-circuited, and eliminate the load fault
2. Replace the output transistor or drive circuit
3. Check whether the upper computer commands are consistent with the module configuration
Frequent device restarts1. Excessive temperature
2. Watchdog triggers reset
3. Internal software exception		1. Check the cooling environment, clean the dust, and ensure good ventilation
2. Investigate whether external interference causes the program to run away, and add anti-interference measures
3. Upgrade the firmware or restore the factory settings
Fault code E05 (overload protection)1. Output load exceeds the rated value
2. Motor stall or mechanical jamming		1. Check whether the load current exceeds the limit and replace the appropriate drive module
2. Physically inspect whether the actuator (such as motor, valve) is jammed and repair the mechanical fault
Product Tags: N897093511D , N897093051D , DIAGNOSTICA N897093400H

Send Inquiry to This Supplier

Message
0/5000
Want the best price? Post an RFQ now!
Guizhou Yuanmiao Automation Equipment Co., Ltd.
1Yr
Business Type
Trading Company
Year Established
2014
Factory Size
1,000-3,000 square meters
Product Certifications
SA8000
Contact Supplier Request Quote Chat Now

You May Also Like

Product Categories

Recommended Categories

Explore top categories and find suppliers for your specific needs
Telecommunication & Broadcasting Telecommunication & Broadcasting
Optical Fiber, Cable & Wire Optical Fiber, Cable & Wire
Power Transmission & Transformer Power Transmission & Transformer
Power Supply & Distribution Power Supply & Distribution
Sensor Sensor
Passive Components Passive Components
Battery, Storage Battery & Charger Battery, Storage Battery & Charger
Switch Switch
Connector & Terminals Connector & Terminals
Electric Motor Electric Motor
Integrated Circuit Integrated Circuit
Antenna Antenna
GPS GPS
Socket & Outlet Socket & Outlet
Inverter Inverter
Breaker & Protector Breaker & Protector
Circuit Board Circuit Board
Electronic Tube & Transistor Electronic Tube & Transistor
Cable Parts Cable Parts
Relay & Contactor Relay & Contactor
Smart Card & Card Reader Smart Card & Card Reader
Remote Control Remote Control
Other Electronics Other Electronics
Variable-Frequency Drive Variable-Frequency Drive
Electronics Stocks Electronics Stocks
Transmitter Transmitter
Semiconductor Semiconductor
Rectifier Rectifier
Oscillator Oscillator
Heating, Refrigeration & Temperature Control Heating, Refrigeration & Temperature Control
Insulation Insulation
Semiconductor Silicon Semiconductor Silicon
Specialized Electrical Equipment Specialized Electrical Equipment
Encoder Encoder