ALSTOM MVAX31C1DF0754A Power monitoring and control module

SPECIFIC PARAMETERS

Brand ALSTOM

Product Series MVAX Series Industrial-grade High-precision Power Monitoring and Control Modules

Product Type Dual-parameter (Voltage/Current) Monitoring + Closed-loop Control Integrated Module

Model MVAX31C1DF0754A

Channel Configuration 8-channel AI + 4-channel AO + 12-channel DI + 8-channel DO

Analog Input 0-3000V (via voltage division)/0-5A 16-bit resolution 250Hz/channel sampling rate

Analog Output 4-20mA/0-10V 16-bit resolution ±0.02% FS output accuracy

Digital Input 24VDC wet contacts ms response time

Digital Output 24VDC/12A Supports 22kHz PWM pulse output

Working Voltage 24VDC±15% Dual redundant power input

Working Temperature -40℃ to 90℃

Storage Temperature -55℃ to 105℃

Relative Humidity 5%-95% Non-condensing

Protection Level IP65 (Module-level)

Installation Method Bolt-fixed Standard power control cabinet mounting holes

Size 185mm×165mm×78mm (L×W×H)

Weight 3.0kg

Compatible Systems ALSTOM MITRAC control system Rail transit TCMS Industrial DCS/SCADA Power equipment control system Rail transit power supply system

Diagnostic Functions Voltage/current over-limit alarm Channel fault self-diagnosis Overload/overvoltage/short-circuit protection Equipment condition monitoring Power supply abnormality diagnosis Communication link monitoring

Anti-interference Level Complies with EN 50121-3-2/EN 61000-6-2 standards

Vibration/Shock Resistance Complies with IEC 61373 Class 3 standard (Rail transit grade)

MTBF ≥2.100.000 hours

Housing Material Aviation-grade high-strength aluminum alloy + metal shield Fully sealed structure

Communication Interfaces Ethernet/IP CANopen Profibus DP Supports Modbus TCP

Programming Environment ALSTOM Control Suite Supports IEC 61131-3 standard languages

Clock Synchronization Supports IRIG-B/PTP Synchronization accuracy ±0.08ms

Insulation Resistance ≥280MΩ (1000VDC)

Channel Isolation 3800Vac electrical isolation between input/output/power

Measurement Accuracy Voltage measurement error ≤±0.02% FS Current measurement error ≤±0.02% FS

PRODUCT PERFORMANCE

Dual-parameter synchronous acquisition configuration covers the full link of power monitoring, control and fault feedback, adapting to complex power supply system logic

16-bit high resolution and ±0.02% FS ultra-high accuracy, 250Hz sampling rate realizes millisecond-level precise capture of voltage/current parameters

Wide range input adapts to electrical equipment of different power levels, dual-parameter measurement error ≤±0.02% FS, ensuring data reliability

-40℃ to 90℃ wide temperature adaptability, withstanding multiple extreme harsh working conditions on-board and industrial sites

IP65 fully sealed protection and high-strength aluminum alloy housing, providing excellent dustproof, waterproof, corrosion-resistant and vibration/shock-resistant performance

3800Vac high electrical isolation design, effectively resisting strong electromagnetic interference and voltage surges, ensuring stable signal transmission and control

Dual redundant power input design, resisting power fluctuations and single power failure, ensuring uninterrupted operation of the module

Multi-protocol industrial bus compatibility, supporting cross-system linkage and flexible access to various control platforms, adapting to distributed monitoring needs

Deeply compatible with ALSTOM MITRAC control system, simplifying system integration, debugging and later operation/maintenance processes

SIL 2 functional safety level, built-in triple protection mechanisms, responding to faults in milliseconds and cutting off dangerous circuits to protect equipment safety