ALSTOM MVAA14B1AA0785C Auxiliary transmission control module
Specific Parameters
Brand ALSTOM (ALSTOM, GEC ALSTHOM Series)
Product Series MVAA Series Industrial Automation Variable Speed Control and Communication Series
Product Type Industrial-Grade Auxiliary Variable Speed Control Module, PLC/DCS System Spare Part Module
Model ALSTOM MVAA14B1AA0785C
Country of Origin France
Compatible Devices PLC Systems, DCS Systems, MICOM Series Relay Protection Devices, Various Industrial Motor Control Equipment, Industrial Automation Control Equipment, Power System Monitoring Equipment
Operating Power Supply 220VAC
Rated Power Consumption Less Than 11W
Input/Output Signals Supports Digital and Analog Signal Input and Output, Adapt to Variable Speed Control Signals and I/O Signal Transmission
Output Voltage 5VDC
Rated Current 2A
Control Precision ±0.8%
Output Frequency 300-400Hz
Communication Protocols Modbus RTU, RS485, Optical CAN Network Communication Protocols
Communication Interfaces RS232 Interface, RS485 Interface, Ethernet Port, Optical CAN Interface
Protection Type Overload Protection, Overheat Protection, Short Circuit Protection, Electromagnetic Interference Protection
Operating Temperature Range -40℃ to 85℃
Storage Temperature Range -40℃ to 85℃
Relative Humidity 5% to 95%, Non-Condensing
Protection Level IP65
Physical Dimensions 100mm×50mm×25mm (Length×Width×Height)
Physical Weight Approximately 0.3kg
Mounting Method Standard Rail Mounting, Built-in Slot Mounting for Industrial Control Equipment
Special Functions LED Status Indication, Fault Diagnosis, Motor Auxiliary Variable Speed Control, I/O Signal Processing, Non-Volatile Storage, Built-in Power Supply
Product Material Aluminum Alloy
Customizable No
Certification Standards IEC 60255, CE, UL, RoHS
Warranty Period 12 Months
Product Performance
Compatible with PLC systems, DCS systems, MICOM series relay protection devices and various industrial motor control equipment, adopting 220VAC dedicated power supply, with a rated power consumption of less than 11W, it is energy-saving and efficient, can adapt to the 24-hour uninterrupted operation needs of various industrial automation, motor variable speed control and power system scenarios, has high operational stability, and can also be used as a PLC/DCS system spare part module to quickly complete the replacement of faulty modules and ensure the continuity of production and system operation.
It mainly has high-precision auxiliary variable speed control and I/O signal processing functions, with a control precision of ±0.8%, supports digital and analog signal input and output, output voltage of 5VDC, rated current of 2A, and output frequency of 300-400Hz. It can accurately complete industrial on-site motor speed adjustment, equipment logic control, I/O signal collection and processing, with fast response and excellent control performance, meeting the high-precision control needs of complex industrial scenarios such as industrial motor variable speed and rail transit motor control.
As a professional auxiliary variable speed control module, it is equipped with RS232 interface, RS485 interface, Ethernet port and optical CAN network interface, supports mainstream industrial communication protocols such as Modbus RTU, RS485 and optical CAN, can be seamlessly connected to industrial automation systems, power monitoring platforms, motor control systems and various control equipment, realizes real-time transmission of fault signals, operating status and control data, with strong communication stability and excellent anti-electromagnetic interference ability, ensuring coordinated and efficient operation of the system.
Integrated with multiple safety mechanisms such as overload protection, overheat protection, short circuit protection and electromagnetic interference protection, it can effectively protect the module itself and connected equipment, avoid equipment damage or control interruption caused by circuit faults and electromagnetic interference, and comply with international certification standards such as IEC 60255, CE, UL and RoHS, ensuring that product quality and safety performance meet the specifications of the global industrial automation control and motor variable speed fields.
With a protection level of IP65, it has excellent dustproof and waterproof performance, is made of aluminum alloy and has a strong structure. It can be directly applied to outdoor, chemical plants, substations, railway signal stations and other dusty, humid harsh industrial sites without additional protective measures, effectively protecting internal components, extending product service life, and adapting to the long-term storage and emergency use needs of spare parts.
Both the operating temperature and storage temperature cover -40℃ to 85℃, with extremely strong environmental adaptability. It can operate stably in extreme industrial environments such as alpine, high temperature and strong electromagnetic interference without performance degradation, meeting the operation and spare part storage needs of various harsh industrial scenarios, motor variable speed control and power systems.
Integrated with complete fault diagnosis and LED status indication functions, it can real-time monitor the module operation status, communication links and control logic, quickly identify fault types and clearly indicate through LED lights, facilitating staff to quickly troubleshoot faults and carry out tests, greatly improving equipment operation and maintenance efficiency, and the built-in power supply design further enhances operational reliability.
Adopting standardized modular design, supporting standard rail and built-in slot mounting for industrial control equipment, it is easy to install, with a compact physical size (100mm×50mm×25mm) and a weight of only about 0.3kg. It can be directly integrated into existing industrial automation systems and motor control systems without additional adaptation and debugging, and supports multi-module collaborative work, which can be extended to realize distributed control, consistent with ALSTOM’s modular design concept.
The product is not customizable, has strong versatility and compatibility, adapts to the fault replacement needs of various industrial control scenarios, motor variable speed systems and power systems, with convenient and fast replacement, effectively reducing downtime. At the same time, it has non-volatile storage function, which can save control parameters and avoid data loss caused by accidental power failure, providing reliable guarantee for the stable operation of industrial production, motor control and power systems.
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