Description
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Product Introduction
When your industrial VME64 standard mission-critical control system needs a highly reliable high-performance real-time embedded computing unit to execute complex high-speed real-time control logic and realize seamless high-bandwidth data interaction with VME I/O devices, this module acts as the core high-performance real-time control brain.
It is a flagship industrial-grade 6U VME single board computer from Motorola MVME5500 series, specially designed for heavy-duty industrial mission-critical real-time control scenarios. It is equipped with a 1GHz PowerPC 7457 32-bit RISC processor, with 512KB on-chip L2 cache and 2MB on-chip L3 cache, paired with 512MB ECC-protected SDRAM and 40MB total Flash storage (32MB welded + 8MB socketed), which can stably run high-load real-time operating systems such as VxWorks and embedded Linux. It fully complies with VME64 standard, supporting 32/64-bit addressing, 32-bit data transmission and DMA high-speed data interaction, and is natively compatible with all standard VME bus I/O modules. It integrates 10/100BaseTX Ethernet port, 2×RS-232 serial ports and dual 64-bit 33/66MHz PCI buses, with PMC expansion夹层 connector, which can flexibly add special communication, data acquisition and other functional modules. Its conduction-cooled ruggedized reinforced design fully adapts to harsh high-vibration and extreme temperature industrial environments, making it a core replacement part for large industrial VME control system maintenance and retrofit projects .
MVME5500-0161
MVME5500-0161
MVME5500-0161
MVME5500-0161
MVME5500-0161
Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | MVME5500-0161 |
| Product Type | 6U VMEbus High-Performance Embedded Single Board Computer |
| Manufacturer | Motorola (Motorola Computer Group, later Emerson Embedded Systems) |
| Country of Origin | USA |
| Microprocessor | 1 GHz PowerPC 7457 32-bit RISC |
| Cache | 512 KB on-chip L2, 2 MB on-chip L3 |
| SDRAM | 512 MB ECC-protected SDRAM |
| Flash Storage | 40 MB total (32 MB welded + 8 MB socketed) |
| VME Bus Standard | VME64 compliant, 32/64-bit addressing, 32-bit data, DMA support |
| PCI Buses | Dual 64-bit 33/66 MHz |
| Communication Interfaces | 10/100BaseTX Ethernet, 2×RS-232 serial ports |
| Expansion Interface | PMC expansion夹层 connector |
| Operating Temperature Range | -40°C ~ +85°C (conduction-cooled) |
| Typical Power Consumption | 15 ~ 20 W |
| Dimensions | 160 mm × 233 mm × 41 mm (6U VME standard) |
| Net Weight | ~1.2 kg (2.6 lbs) |
| Certifications | CE, UL, RoHS |
| Compatible Systems | All VME64 standard industrial control systems, VxWorks/Linux real-time operating systems |
| Warranty | 12 months from delivery |
Field Application & Technical Pitfalls
Critical Industrial Scenarios
- **Large Thermal Power Plant Gas/Steam Turbine High-Performance VME Control System: Acts as the core high-speed real-time computing unit for Motorola VME turbine control systems in thermal power plants, realizing high-speed execution of complex turbine real-time control logic, ensuring the stable operation of large power generation unit control systems.
- **Large Petrochemical Plant Turbine-Driven Compressor High-Load VME Control System: Delivers reliable high-performance real-time computing performance for petrochemical production line turbine-driven compressor control systems, adapting to long-term high-temperature operation industrial environments, meeting the zero-misoperation high-load real-time control requirements of large rotating machinery.
- **Large Aerospace Ground Test Equipment VME Distributed Control System: Adapts to high-vibration and extreme temperature industrial environments, providing stable high-speed real-time logic processing support for aerospace ground test equipment distributed control systems.
Non-Negotiable Technical Pitfalls
- ⚠️ Bold Warning 1: Never arbitrarily connect the power input to a voltage that exceeds the VME standard power tolerance. The third power channel will experience overvoltage that causes the internal PowerPC processor circuit to burn out.
- ⚠️ Bold Warning 2: Skipping the pre-commissioning full VME64 DMA high-speed data transmission test will leave you with hidden high-load data transmission delay risks. This module must confirm the full VME64 bus DMA communication performance fully meets industrial control specifications before putting into operation.
- ⚠️ Bold Warning 3: Do not arbitrarily use non-matching non- standard backplane slots for installation. The third system bus will experience signal deviation that causes the VME I/O high-speed data refresh to be abnormal.
A large thermal power plant maintenance team once swapped a Motorola MVME5500-0161 module and skipped the DMA high-speed test. The hidden VME bus DMA configuration error caused the turbine high-speed control logic to respond with delay, resulting in a 2-hour partial safety shutdown of the power generation unit.
Quality Control (QC) SOP & Transparency
- Inbound Verification: Cross-check the OEM serial number against Motorola’s official MVME5500 part registry, confirm the part number MVME5500-0161 matches the factory label, and inspect no bent pins or corrosion on all VME backplane and communication connectors.
- Live Rig Testing: Power the unit in a calibrated system test bench, simulate full high-load real-time control logic continuous operation scenarios, and confirm full 2-hour continuous stable operation.
- Parameter Testing: Verify the 1GHz PowerPC processor logic execution performance meets factory specifications, confirm the bus DMA high-speed data transmission performance meets industrial real-time control standards, and validate all status LED indicators and PMC expansion interface functions work properly.
- Final QA & Packaging: Seal the tested module in a static-shielding anti-static bag, attach a unique QC passed serial label, and nest it in foam padding inside a rigid industrial shipping carton.
Frequently Asked Questions (FAQ)
- Can I hot-swap this module while the VME control system is running? No. You must first confirm that the redundant VME control channel is operating normally and the system is in a safe state, then perform the replacement operation after cutting off the module power, otherwise you will trigger unexpected high-load real-time logic interruption risks.
- What exact systems is this module compatible with? It works natively with all standard industrial control systems, and can stably run high-load real-time operating systems such as VxWorks and embedded Linux, but cannot be directly used in non-VME bus systems without custom adaptation.
- How long is the standard warranty for this new surplus unit? 12 months from delivery. It covers all manufacturing defects, but does not extend to units damaged by miswiring, overvoltage input, or improper VME bus DMA configuration in the field.
- How do I tell a genuine OEM unit apart from a refurbished clone? Genuine Motorola MVME5500-0161 modules have a laser-etched part number on the PCB, not a printed sticker. Clone units almost always fail the full 2-hour continuous DMA high-speed data transmission stability test.
- What is the typical lead time for shipment? In-stock units ship within 48 hours. If you require official Motorola factory high-performance real-time control performance test documentation, add 2 extra business days to the turnaround window.
- Can this module replace the older Motorola legacy MVME series VME controller unit? Well, technically it fits the same standard 6U VME rack slot footprint, but you must confirm the VME system firmware version fully supports the module before replacement to ensure 100% system compatibility.
