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 VAJX11BP5243BA Serial Control Module

ALSTOM VAJX11BP5243BA Serial Control Module

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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	Operating Temperature	-40°C ~ +70°C
Storage Temperature	-55°C ~ +85°C	Dimensions	170mm×120mm×75mm

Product Description

ALSTOM VAJX11BP5243BA

Features

Powerful Programming Capability：Supports multiple engineering configuration languages, including ladder logic, function block diagram, structured text, etc., enabling the creation of custom logic and the implementation of complex control algorithms and floating-point calculations.
Redundancy Function：Provides options to customize system redundancy levels, ensuring the required system availability by balancing upfront and unplanned downtime, and improving system reliability.
Batch Processing Function：Features modular batch processing capabilities to handle simple to complex batch applications in a cost-effective manner.
Alarm Management Function：Offers power alarm management tools to help operators effectively respond to plant anomalies, promptly detect and resolve issues, and reduce the impact of failures.
Rich Communication Interfaces：Equipped with at least three communication interfaces, such as serial ports, CAN bus, and Ethernet interfaces, facilitating data transmission and communication with other devices for system integration.

Technical Parameters1. Basic Performance Parameters

Parameter	Specification Range
Processor	32-bit high-performance processor (e.g., ARM Cortex-A9)
Memory Capacity	RAM: 512MB~2GB Flash: 4GB~16GB
System Clock Frequency	800MHz~1.5GHz
Operating Temperature Range	-40°C ~ +70°C (industrial grade)
Storage Temperature Range	-55°C ~ +85°C
Relative Humidity	5%~95% (non-condensing)

2. Power Parameters

Parameter	Specification Range
Input Voltage	DC 24V (±15%) or AC 100~240V (optional)
Power Consumption	≤30W (typical value)
Starting Current	≤5A (maximum value)
Power Protection	Reverse polarity protection, overvoltage protection, surge protection

3. Communication Interfaces

Interface Type	Specification Description
Ethernet	2~4 RJ45 interfaces, 10/100/1000Mbps Supports protocols such as EtherNet/IP, Modbus TCP, PROFINET
Serial Port	2~4 RS-232/485 interfaces, supporting Modbus RTU, ASCII
CAN Bus	1~2 CANopen interfaces, baud rate 5K~1Mbps
USB	1~2 USB 2.0/3.0 interfaces, supporting firmware upgrade and data backup
Expansion Interface	Supports optional modules such as Profibus DP, DeviceNet, EtherCAT

4. I/O Configuration

Type	Quantity/Specification
Digital Input	8~32 points, 24V DC, optocoupler isolated
Digital Output	8~32 points, relay or transistor output
Analog Input	4~8 channels, 12~16-bit resolution, ±10V, ±20mA
Analog Output	2~4 channels, 12~16-bit resolution, ±10V, ±20mA
Pulse Input	2~4 channels, high-speed counting (up to 100kHz)

5. Functional Characteristics

Characteristic	Description
Programming Capability	Supports IEC 61131-3 standard programming languages: - Ladder Diagram (LD) - Function Block Diagram (FBD) - Structured Text (ST) - Sequential Function Chart (SFC) - Instruction List (IL)
Control Algorithms	Supports PID control, fuzzy control, motion control algorithms
Redundancy Characteristics	Supports hot standby redundancy, dual-machine hot standby, power supply redundancy
Data Storage	Supports SD card, CF card expansion, up to 32GB
Real-time Performance	Minimum task cycle of 1ms, supports hard real-time operating system

6. Mechanical Parameters

Parameter	Specification Description
Dimensions (L×W×H)	Approximately 170mm×120mm×75mm
Weight	Approximately 1.5kg
Installation Method	DIN rail installation or panel installation

Working Principle1. Core Power Conversion Principle

Input Power Processing Stage：
Wide-range AC power (90~300V AC) is suppressed for grid interference (such as surges, harmonics) by an EMI filter circuit, and converted into high-voltage DC power (approximately 120~420V DC) through a rectifier bridge. Filter capacitors further smooth the DC waveform to provide a stable input for subsequent DC-DC conversion.
High-Frequency Conversion and Voltage Stabilization Control：
Adopts Phase-Shifted Full-Bridge (PSFB) or LLC resonant topology, and controls the on/off of power devices (IGBT or MOSFET) through high-frequency PWM (switching frequency ≥100kHz) to convert high-voltage DC power into 24V low-voltage DC.

Advantages of Soft Switching Technology：Realizes zero-voltage switching (ZVS) of power devices through a resonant network, reducing switching losses, increasing efficiency to over 93%, and reducing electromagnetic interference (EMI).
Closed-Loop Voltage Stabilization Mechanism：The output voltage is sampled by a voltage divider resistor, compared with the reference voltage to generate an error signal, and the PWM duty cycle is adjusted by a PI controller to dynamically correct the output voltage (accuracy ±1%).

Dynamic Current Regulation：
Built-in current detection resistors or Hall sensors monitor output current in real time. When the load changes, the control chip automatically adjusts the PWM waveform to ensure stable current output within the range of 0~60A, supporting constant voltage/constant current mode switching.

2. Control Logic and Communication Principle

Signal Processing Flow：

Input Signal Reception：Receives commands from upper-level computers (such as start/stop control, parameter configuration) through RS-485/CAN interfaces, while collecting field sensor signals (such as voltage, current, temperature).
Data Processing and Calculation：The built-in MCU (such as ARM core) performs A/D conversion on input signals and executes calculations based on preset logic (ladder diagram or function block), such as triggering protection or generating control signals according to current thresholds.
Output Control Execution：Controls external actuators (such as relays, contactors) through D/A conversion or switching output, or adjusts load power through PWM signals.

Industrial Communication Protocol Support：

Modbus RTU Protocol：Implements master-slave communication through RS-485 interfaces, allowing upper-level computers to read module status (voltage, current, temperature) or issue control commands (constant charge/floating charge switching).
CANopen Protocol：Supports high-speed real-time communication (baud rate up to 1Mbps), suitable for multi-device networking scenarios (such as distributed control of train traction systems), ensuring the reliability and real-time performance of data transmission.

3. Protection and Redundancy Mechanisms

Hardware Protection Circuit Design：

Overcurrent/Short-Circuit Protection：When the detected output current exceeds 65A or a short circuit occurs, the comparator triggers the hardware latching circuit to immediately turn off the power device, avoiding module overheating damage. It can be manually or automatically reset after the fault is eliminated.
Input Overvoltage/Undervoltage Protection：Monitors the input voltage through a voltage divider circuit. When the voltage exceeds 310V or is lower than 80V, the drive circuit cuts off the input power to prevent high voltage from breaking down components or undervoltage causing control anomalies.
Output Overvoltage Protection：If the output voltage exceeds 26.5V, the PWM signal is quickly turned off, and the voltage is clamped through a voltage limiting circuit to protect downstream loads (such as sensitive electronic devices).

Thermal Management and Reliability Design：
The module uses a combination of heat sinks and forced air cooling (optional), with temperature sensors to monitor internal temperature rise in real time. When the temperature exceeds 85°C, it automatically reduces output power or starts the fan for cooling, ensuring stable operation in the environment of -40°C~+60°C.

4. Application Scenario Adaptation Principle

Rail Transit On-Board Power Supply：
Adapts to voltage fluctuations during train startup (such as sudden rise/fall of catenary voltage), and the wide-range input design ensures continuous power supply; the anti-vibration structure (potting process or reinforced bracket) meets the mechanical impact requirements during train operation, and MTBF ≥500,000 hours ensures long-term failure-free operation.
Industrial Automation Control：
Real-time interaction with PLC through CANopen bus to achieve precise drive in scenarios such as motor speed regulation and valve opening control; multiple protection mechanisms avoid production line shutdown caused by short circuits, overloads, and other faults in industrial fields, improving production continuity.
Power System DC Panel：
Provides stable 24V power for relay protection devices and circuit breaker energy storage motors, supports parallel current sharing of dual modules (through current sharing bus interface), and realizes redundant backup to ensure the reliability of protection actions in case of power system failures.

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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ALSTOM VAJX11BP5243BA Serial Control Module

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