Guizhou Yuanmiao Automation Equipment Co., Ltd.: 1Yr

Anshun, Guizhou, China; Main products: ABB Triconex Foxboro LAM, Bentley Motorola Schneider, Kollmorgen HIMA ALSTOM, Reliance GE HONEYWELL NI、ICS

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Home > Products > ALSTOM > ALSTOM N897093511D N897093051D DIAGNOSTICA N897093400H Signal Processing Unit

ALSTOM N897093511D N897093051D DIAGNOSTICA N897093400H Signal Processing Unit

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Product Details

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%

Product Description

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.

II. Technical Parameters

Parameter Category	Specific Indicators
Power Input	DC 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 Characteristics	DIN rail installation, dimensions approximately 120mm×100mm×80mm, weight ≤1.2kg, supporting hot-swapping

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).

IV. Common Faults and Solutions

Fault Phenomenon	Possible Causes	Solutions
Power indicator not on	1. 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 data	1. 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 restarts	1. 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

Company Profile

Guizhou Yuanmiao Automation Equipment Co., Ltd.

Main products: Covering globally renowned brands: Bently Nevada, Triconex, Woodward, Foxboro, Westinghouse, Reliance, Schneider Modicon, ABB, AB (Allen-Bradley), Motorola, GE Fanuc, Yaskawa, Bosch Rexroth Rexroth, ACSO, YOKOGAWA, Rexroth, NI, ICS Triplex, Kollmorgen, Mitsubishi, MOOG, Emerson, B&R B&r, SST, ALSTOM, KUKA EPRO, LAM HIMA dark Horse, HONEYWELL, prosoft, AMAT, SIEMENS, etc. The product categories include: DCS system accessories, robot system spare parts, large servo system spare parts, etc., which are widely used in power, chemical, metallurgy, intelligent manufacturing and other fields.

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Guizhou Yuanmiao Automation Equipment Co., Ltd.: Contact nameyezi
Chat Now; AddressXixiu District, Anshun, Guizhou

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Product Categories

ABB	Bently Nevada	TRICONEX	GE
ICS Triplex	HIMA	MOTOROLA	WOODWARD
HONEYWELL	Foxboro	Schneider Modicon	YOKOGAWA
EPRO	MOOG	Westinghouse	Reliance
Emerson	B&R	ALSTOM	LAM
KONGSBERG	FANUC	National Instruments	Kollmorgen
Other Brands	Rexroth	PROSOFT	Vibro-meter
Allen-Bradley	ZYGO	Praxis	METSO
Basler Electric	A-B	XYCOM	AMAT
TOSHIBA	CCC

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N897093511D | N897093051D | DIAGNOSTICA N897093400H

ALSTOM N897093511D N897093051D DIAGNOSTICA N897093400H Signal Processing Unit

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