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Home > Electrical & Electronics > Electrical Control System > Motorola MVME374-1 Ethernet Controller Board

Motorola MVME374-1 Ethernet Controller Board

Motorola MVME374-1 Ethernet Controller Board photo-1

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

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Guizhou Yuanmiao Automation Equipment Co., Ltd.

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Port of Shipment:

guizhou

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Delivery time depends on order quantity.

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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℃~+85℃

Relative Humidity 5%~95% (non-condensing)

I. Overview

Motorola MVME374-1 is a high-performance VMEbus (VersaModule Eurocard bus) Single-Board Computer (SBC), which focuses on meeting the core demands for "highly reliable data processing" and "stable system control" in fields such as electric power, chemical engineering, and intelligent manufacturing. With its compact integrated single-board design, it is compatible with the VMEbus standard, enabling seamless integration into various industrial control systems. It undertakes key tasks including unit monitoring, process control, and equipment scheduling. Relying on its ability to resist extreme environments and low failure rate, it has become a core hardware unit in the industrial automation field that ensures continuous production.

II. Technical Specifications

Category	Specific Parameters
Core Configuration	Processor: Motorola 68020; Clock Speed: 16MHz; RAM: 4MB; Hard Disk Storage: 80MB
Power Supply & Power Consumption	Operating Voltage: 5V ± 5% (conventional), 30Vdc (industrial scenario adaptation); Power Consumption: 50W (energy-saving design)
Environmental Adaptability	Operating Temperature: -40 °C ~ +85 °C (stable operation in extreme environments)
Interfaces & Connections	Bus: 1 VMEbus slot; I/O Interfaces: RS-232, RS-422, Parallel Port; Connectors: 12-pin + 24-pin D-type connectors
Performance Indicators	Output Frequency: Up to 5kHz; Input Impedance: 100kΩ (low signal distortion)
Certification Standards	Compliant with industrial equipment safety and electromagnetic compatibility standards such as CE, FCC, and UL

III. Functional Features

Strong Environmental Adaptability to Ensure Stable Operation in Industrial Scenarios

Adopting anti-interference semiconductor technology, it can operate continuously in harsh industrial environments such as high and low temperatures, and electromagnetic interference. This solves the problem that traditional equipment is prone to shutdown under extreme working conditions, making it particularly suitable for complex scenarios such as outdoor power equipment and chemical workshops.

Efficient Data Processing and Accurate Signal Transmission

Equipped with a 16MHz processor and 4MB memory, it can quickly process real-time data in industrial control systems (such as equipment operating parameters and sensor signals). The high input impedance of 100kΩ greatly reduces signal transmission distortion, ensuring the accuracy of control commands and monitoring data.

Flexible Compatibility and Expansion for Multi-System Architecture Adaptation

It supports the VMEbus standard and can be flexibly combined with VME modules of the same series (such as signal acquisition cards and communication modules). The rich I/O interfaces (RS-232/422, parallel port) meet the connection requirements with devices such as PLCs, sensors, and upper computers, reducing the difficulty of system integration.

Low Power Consumption and High Reliability to Reduce Operation and Maintenance Costs

The 50W low-power design reduces the energy consumption pressure in industrial sites. It has passed authoritative certifications such as UL and CE, resulting in a low hardware failure rate. In addition, the 12-pin/24-pin D-type connectors ensure stable connections, reducing failures caused by loose interfaces and indirectly lowering the frequency and cost of later operation and maintenance.

IV. Common Faults and Solutions

Common Fault Phenomena	Possible Causes	Solutions
Device fails to start, no power indicator	1. Unstable or substandard power supply voltage; 2. Loose or damaged power interface	1. Use a multimeter to detect the input voltage and ensure it meets the standard of 5V ± 5% or 30Vdc; 2. Replug the power interface. If the interface is oxidized, wipe it with alcohol cotton and retry; replace the interface if it is damaged.
Interrupted or distorted data transmission	1. Poor contact of I/O interfaces; 2. Aging transmission cables; 3. Electromagnetic interference	1. Check interfaces such as RS-232/422, replug and fasten them; 2. Replace with shielded transmission cables and avoid laying them in parallel with high-voltage cables; 3. If electromagnetic interference on site is strong, install a power filter.
Frequent device restart and unstable operation	1. Operating temperature exceeds the range of -40 °C ~ +85 °C; 2. Poor memory contact	1. Check the device installation environment. If the temperature is too high, install a cooling fan or move the device to a ventilated place; take heat preservation measures if the temperature is too low; 2. Power off, remove the memory, wipe the gold fingers with an eraser, and reinsert it firmly.
VMEbus fails to recognize other modules	1. Excessive dust in the bus slot; 2. Module compatibility issues	1. Power off and clean the dust in the bus slot with a compressed air can; 2. Confirm that the connected modules comply with the VMEbus standard; if they are third-party modules, prioritize replacing them with Motorola-compatible modules.