Motorola MVME954 VMEbus CPU Processor Board VME Industrial Main Control Card Legacy System Spare Parts In Stock

　　I. Product Specifications

Product Model: MVME954

Product Brand: Motorola

Product Type: MNS iS MLHUB Intelligent Switchgear Communication Gateway Module

Power Supply: 24VDC

Power Consumption: Approx. 15W

Communication Interfaces: Switchgear-Bus interface, multiple RJ45 Ethernet ports, DB9 debugging interface

Supported Protocols: Modbus TCP, Modbus RTU, PROFINET IO

Management Nodes: Up to 60 MControl units can be managed

Additional Functions: Web monitoring, OPC data output, NTP time synchronization, support for dual-machine redundancy

Installation Method: Rack rail mounting

Operating Temperature: -20℃~+70℃

Storage Temperature: -40℃~+85℃

Ambient Humidity: 5%~95%, non-condensing

Protection Rating: IP20, for indoor use in control cabinets

Compatible Systems:  MNS iS Low-Voltage Intelligent Switchgear System

　　II. Product Overview

The MVME954 is the MNS iS system MLHUB communication gateway module, serving as the core communication hub for the entire intelligent low-voltage switchgear system. It is responsible for collecting data from various protection and control units within the cabinet (MControl), performing protocol conversion, and uploading information such as switchgear current, voltage, protection alarms, and equipment status to the upper-level monitoring system. It supports local web page viewing and OPC integration with the backend platform, enabling the construction of a redundant architecture to improve system reliability. It is widely used in low-voltage power distribution systems in power plants, factories, and data centers, and is a commonly used device for switchgear upgrades and faulty spare parts replacement.

　　III. Functional Features

As the core gateway of the MNS iS system, it centrally collects operating data from multiple MControl control units, enabling centralized management of equipment within the cabinet. It supports multiple industrial protocols, including Modbus TCP, Modbus RTU, and PROFINET IO, facilitating integration with DCS, SCADA, and upper-level monitoring platforms. Built-in web page service allows direct access to the switchgear operating parameters and alarm information via a computer, eliminating the need for dedicated software. Supports NTP network time synchronization, unifying the time of the entire power distribution system and ensuring accurate event recording timing. Features equipment fault diagnosis capabilities, identifying bus anomalies and sub-unit disconnections and outputting alarm signals. Supports dual-machine redundancy configuration; in the event of a single gateway failure, the backup device automatically takes over, ensuring uninterrupted communication.

　　IV. Functional Features

Industrial-grade hardware design, resistant to control room temperature fluctuations, capable of 24/7 continuous operation. Dedicated Switchgear-Bus internal bus with strong anti-interference capabilities, suitable for complex electromagnetic environments in power plants and factories. Complete event log storage, saving protection actions, alarms, and equipment status change records for easy fault tracing. Rich interface layout with clear partitioning of Ethernet, debugging ports, and internal bus interfaces, facilitating wiring construction. Rail-mounted snap-on installation, simple assembly and disassembly, requiring no major modifications to internal wiring for spare parts replacement. Firmware upgradeable, compatible with new and old versions of MControl units, suitable for upgrading and retrofitting old switchgear.

　　V. Application and Operation

Primarily used in power plants, industrial plants, data centers, and rail transit MNS iS intelligent low-voltage switchgear. Used for data acquisition, protocol conversion, and monitoring of the entire low-voltage power distribution circuit. The module connects to a 24VDC power supply and connects to the MControl monitoring and control unit inside the cabinet via the Switchgear-Bus bus. Upon power-up, it automatically scans and connects to sub-devices, completing data acquisition and forwarding. Engineers can access and view real-time data and alarm information via a web interface, or read power distribution parameters through a host system. Supports redundancy mode; in case of primary gateway failure, the backup gateway automatically switches over. After spare parts replacement, network parameters are configured, sub-units are scanned, and data upload and alarm functions are verified.

　　VI. Design and Structure

Modular metal casing with excellent heat dissipation and electromagnetic interference resistance. Standard DIN rail clip-on installation ensures secure fixation and adaptability to cabinet vibration conditions. Interfaces are zoned, with clear distinction between Ethernet, debugging ports, and internal bus terminals, reducing wiring errors. Internal industrial-grade processor provides fast data forwarding and processing speed. The overall structure is compact, occupying minimal control cabinet space. Modular and independent equipment, allowing for individual disassembly and replacement, reducing the operation and maintenance costs of power distribution systems.

　　VII. System Features

Natively compatible with the MNS iS complete intelligent switchgear hardware and software suite, seamlessly collaborating with the MControl measurement and control unit. Redundancy and fault tolerance capabilities ensure that a single gateway failure in dual-machine mode will not cause interruption of power distribution data communication. Transparent and efficient protocol conversion enables conversion of the cabinet’s private bus to the standard industrial Ethernet protocol. Events are timestamped, meeting the requirements for fault analysis and tracing in power distribution systems. Features bus status monitoring, with real-time reporting of sub-device disconnection to the system. 24VDC standard industrial power supply, capable of withstanding minor power fluctuations.

　　VIII. Warranty Information

The MVME954 sold in this store comes with a 12-month warranty. The warranty covers only manufacturing defects in the product itself; hardware failures under normal industrial operating conditions will be repaired or replaced. Damage caused by human disassembly, unauthorized modification, incorrect wiring, overvoltage use, water ingress, external force damage, environmental corrosion, surge impact, or other abnormal damage is not covered by the warranty. Natural aging and wear of components are also not covered by the warranty.

　　IX. After-Sales Service

All products undergo visual inspection and power-on testing before shipment to ensure proper functioning. For any transportation damage or cosmetic defects occurring within 48 hours of receipt, after-sales service can be expedited with photographic evidence. Technical support is provided, assisting with installation verification, network configuration, bus debugging, and troubleshooting. A long-term supply of MNS iS switchgear series spare parts is available, along with ongoing technical consultation. In-stock items can be shipped quickly to meet the emergency supply needs of power distribution projects during major overhauls and repairs.

Your one-stop shop for genuine industrial control components. This Industrial Power Supply Unit is designed for demanding industrial environments. As a professional supplier of switching power supply and DC power supply, we provide genuine products with competitive pricing and reliable after-sales service.

Our power converter solutions are widely used in process automation and manufacturing environments. Whether you need a replacement part or a complete system upgrade, this power module delivers consistent performance and long service life. We specialize in sourcing hard-to-find and obsolete automation components for legacy systems.

Common Applications:

• Pharmaceutical and chemical processing
• Transportation and logistics systems
• Data center power management

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