Name: MOTOROLA MVME147-013 Legacy VMEbus Single-Board Computer (SBC) | Qiming Automation
Brand: MOTOROLA
Price: 56998.00 CNY
Availability: InStock

Description

The MOTOROLA MVME147-013 serves as the processing heart of older VMEbus-based systems, utilizing a Motorola 68020 microprocessor paired with a 68881 math coprocessor to handle industrial control algorithms and data processing tasks. Its design prioritizes stability over raw speed, a deliberate choice for applications where consistent operation—rather than cutting-edge performance—drives reliability.

MVME147-013

Unlike modern computing modules, the MOTOROLA MVME147-013 features a simplified I/O architecture that includes serial ports, parallel interfaces, and timer/counter circuits optimized for legacy industrial protocols. This design allows it to communicate seamlessly with older sensors, actuators, and operator interfaces that lack modern connectivity. The board slots into standard 6U VMEbus chassis, leveraging the rugged backplane design to withstand industrial conditions while maintaining bus compatibility with other vintage VME modules, making it a drop-in replacement for failing units in legacy systems.

MVME147-013

Technical specifications:
Model Number MVME147-013
Brand Motorola
Type Legacy VMEbus Single-Board Computer (SBC)
Processor Motorola 68020 (16 MHz) with 68881 math coprocessor
Memory 4 MB DRAM (expandable to 16 MB), 256 KB EPROM
Operating Temp Range 0°C to 55°C (32°F to 131°F)
Mounting Style 6U VMEbus Chassis (3HE height)
Dimensions 233.7mm x 160mm (9.2″ x 6.3″)
Weight 320g (11.3 oz)
Interface/Bus VMEbus (16/32-bit, 16 MB/s), RS-232C, parallel I/O
Compliance UL 1950, CE, FCC Class A
Supported Protocols Proprietary industrial protocols (via custom software), basic Modbus
Typical Power Draw 8W (max 10W under load)

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Main features and advantages:

Choosing the MOTOROLA MVME147-013 offers distinct advantages for organizations managing legacy industrial systems. Its primary value lies in its ability to extend the lifecycle of critical infrastructure without requiring a complete overhaul. For facilities running custom software written specifically for 68020-based processors, the MOTOROLA MVME147-013 eliminates the need to rewrite or port code—a process that can cost hundreds of thousands of dollars and introduce new risks. This compatibility preserves decades of engineering investment in control logic, ensuring that proven operational sequences remain intact.

The board’s rugged construction also contributes to its longevity. Built to withstand the harsh conditions of industrial floors—including vibration from nearby machinery and temperature swings from unconditioned spaces—the MOTOROLA MVME147-013 minimizes unplanned downtime. Its low power consumption reduces heat generation, a critical feature in tightly packed legacy chassis where cooling systems may be outdated. For maintenance teams, these attributes mean fewer emergency repairs, lower replacement costs, and extended system lifespans—all of which translate to a lower total cost of ownership for aging infrastructure.

Application areas:

The MOTOROLA MVME147-013 excels in applications where legacy system continuity is non-negotiable. In chemical processing, it’s a staple in older batch control systems, where it manages mixing sequences and monitors reactor temperatures using software written for 1980s-era VME architectures. Its ability to run early real-time operating systems like VMEexec ensures that time-critical control loops—essential for preventing chemical imbalances—operate with consistent timing.

In water and wastewater treatment plants, the MOTOROLA MVME147-013 regulates pumps, valves, and filtration systems. These facilities often retain their original control hardware due to the high cost of replacing buried sensors and actuators, and the MOTOROLA MVME147-013 provides the processing power needed to keep these systems functional while interfacing with newer monitoring tools via protocol converters.

Older power distribution networks also rely on the MOTOROLA MVME147-013 to manage substation automation tasks, such as monitoring transformer loads and controlling circuit breakers. Its compatibility with legacy communication links ensures that critical safety interlocks—designed decades ago—remain operational, preventing electrical accidents and ensuring grid stability.

Related products:

MVME147-001 – Original base model with 2 MB DRAM, predecessor to the MVME147-013.

MVME147-014 – Higher-memory variant (8 MB DRAM) for more data-intensive legacy applications.

MVME162-001 – Successor model with 68040 processor, offering a migration path from MVME147-013.

MVME712 – Memory expansion module compatible with MVME147-013 for increased data storage.

MVME300 – Analog I/O companion board, often paired with MVME147-013 in process control systems.

MVME148 – Dual-processor variant of the MVME147 series, used for redundant control setups.

MVME6100 – Modern VME-to-Ethernet gateway, enabling MVME147-013 to connect to new networks.

MVME147-013-R – Refurbished version, certified for reuse in non-critical legacy systems.

Installation and maintenance:

Installing the MOTOROLA MVME147-013 requires careful attention to legacy system nuances. Verify that the target VME chassis supports 16-bit and 32-bit bus operations, as older chassis may lack full 32-bit compatibility. Check the backplane power supply outputs (+5V, +12V, -12V) to ensure they meet the module’s requirements—fluctuations beyond ±5% can cause unpredictable behavior. Before installation, confirm that the system’s firmware (if any) recognizes the MVME147-013; some vintage chassis may require a jumper configuration adjustment to detect the board properly.

For ongoing maintenance, conduct monthly inspections of the board’s edge connectors, looking for oxidation or bent pins—common issues in older systems. Clean connectors with a soft cloth and isopropyl alcohol annually, taking care not to disturb adjacent components. Monitor system performance for memory errors, which often indicate failing DRAM chips—replaceable via specialized legacy component kits. Avoid exposing the MOTOROLA MVME147-013 to static electricity during handling; always use a grounded wrist strap and anti-static mat. Given its age, consider scheduling preventive replacement of electrolytic capacitors every 5–7 years to prevent leakage-related failures.

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Motorola MVME5100
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