Description
⚙️ Product Overview
The MOTOROLA EMERSON MVME5100 is a high-performance VME single board computer designed for industrial automation, semiconductor equipment, defense, aerospace, and embedded control applications.
The MVME5100 Series is based on Motorola’s PowerPlus II VME architecture and uses PowerPC processor configurations including MPC750, MPC755, and MPC7410 variants, depending on the exact board version. It provides integrated VMEbus control, PCI architecture, Ethernet communication, serial interfaces, Flash memory, NVRAM, and PMC expansion capability.
The MVME5100 is a 6U VMEbus processor board designed to operate as the central computing and control platform inside a VME chassis.
🔹 Brand: MOTOROLA / EMERSON
🔹 Model: MVME5100
🔹 Product Type: VME Single Board Computer
🔹 Architecture: PowerPlus II
🔹 Application: Industrial and Embedded Control
🔧 Key Features
🔹 PowerPlus II VME architecture
🔹 PowerPC processor platform
🔹 MPC750, MPC755, or MPC7410 configurations depending on board version
🔹 Up to 100 MHz processor bus
🔹 ECC SDRAM memory configurations
🔹 Dual Ethernet interfaces
🔹 Dual asynchronous serial ports
🔹 Integrated VMEbus controller
🔹 Tundra Universe VME interface
🔹 Dual PMC expansion slots
🔹 PCI expansion capability
🔹 Flash memory and NVRAM
🔹 On-board debug monitor
🔹 6U VME form factor
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | MOTOROLA / EMERSON |
| Model | MVME5100 |
| Series | MVME5100 Series |
| Product Name | VME Single Board Computer |
| Product Type | Embedded Processor Board |
| Architecture | PowerPlus II |
| Processor Options | MPC750 / MPC755 / MPC7410 |
| CPU Frequency | Approx. 400–500 MHz depending on version |
| Processor Bus | Up to 100 MHz |
| L1 Cache | 32 KB Instruction / 32 KB Data |
| L2 Cache | Up to 2 MB depending on configuration |
| Main Memory | 32 MB to 512 MB ECC SDRAM |
| Memory Expansion | Up to 1 GB with RAM500 expansion |
| Flash Memory | Up to 17 MB |
| NVRAM | 32 KB |
| Ethernet | Dual 10/100Base-TX |
| Serial Ports | Dual 16550-compatible |
| VMEbus | 6U VME architecture |
| PMC Slots | Two 32/64-bit PMC slots |
| PCI Expansion | 64-bit expansion connector |
| Debug Monitor | Integrated |
| Operating Temperature | 0°C to +55°C commercial version |
| Extended Temperature | -20°C to +71°C for applicable versions |
| Cooling | Forced-air cooling |
| Board Height | Approx. 233.4 mm |
| Board Depth | Approx. 160 mm |
| Board Width | Approx. 19.8 mm |
| Condition | Used / Verify Actual Unit |
The MVME5100 family supports multiple processor and memory configurations. Exact CPU speed, SDRAM capacity, Flash size, and operating temperature depend on the complete suffix and hardware configuration of the individual board.
⚡ Operating Function
The MVME5100 operates as the main processing platform within a VMEbus-based control system.
A simplified system structure can be represented as:
VME Chassis → MVME5100 Processor Board → VME / PMC / PCI Modules → Field Equipment and Control Interfaces
The PowerPC processor executes the application software while the board communicates with other VME modules through the VMEbus.
The board can support additional functionality through its PMC expansion slots and PCI expansion interface. Depending on the installed system, these expansion modules may provide specialized communication, data acquisition, industrial I/O, motion control, or equipment-specific functions.
The MVME5100 also includes dual Ethernet and serial interfaces for communication with external equipment and maintenance systems.
🧰 Installation & Configuration
🔹 Verify the Exact Board Configuration
Before replacement, check:
- MVME5100 identification
- Complete part number
- Processor type
- CPU frequency
- SDRAM capacity
- Flash configuration
- PMC modules
- Front-panel configuration
- Firmware version
- VMEbus system requirements
Different MVME5100 variants can have significantly different hardware configurations.
🔹 Inspect the VME Connectors
Before installation, inspect the VME P1 and P2 interfaces for:
- Bent contacts
- Contamination
- Oxidation
- Mechanical damage
- Foreign material
Poor VMEbus connector contact can cause intermittent communication faults or system startup failures.
🔹 Check Cooling Requirements
The MVME5100 requires proper chassis airflow. Forced-air cooling is especially important when operating at higher temperatures or with installed PMC expansion modules.
Do not operate the board in a chassis with blocked airflow paths or failed cooling fans.
🔹 Backup Configuration
Before replacing an operational board, record:
- Boot parameters
- Firmware version
- Network settings
- Application software
- VMEbus configuration
- PMC configuration
- System controller settings
This information can significantly reduce commissioning time.
🔹 Controlled Startup
After installation:
- Verify VMEbus installation.
- Confirm all PMC modules are correctly installed.
- Apply system power.
- Check board status LEDs.
- Verify serial console access.
- Confirm Ethernet communication.
- Verify VMEbus communication.
- Start the system software.
- Check connected equipment and I/O modules.
🔩 Maintenance Recommendations
🔧 Board Inspection
Inspect the board for:
- Dust accumulation
- PCB contamination
- Corrosion
- Damaged components
- Burn marks
- Discolored areas
- Damaged connectors
🌬️ Cooling Maintenance
The board operates in a VME chassis environment where airflow is critical.
Check:
- Chassis fans
- Air filters
- Airflow paths
- Adjacent board spacing
- Heat accumulation
The published MVME5100 specifications list forced-air cooling requirements, with approximately 400 LFM recommended for operation in the upper supported temperature range.
🔌 Connector Maintenance
Avoid unnecessary repeated insertion and removal of the board.
Check the VME connectors and PMC connectors for:
- Wear
- Oxidation
- Mechanical damage
- Loose contacts
🧾 Configuration Management
For long-term spare inventory, record:
- Complete board model
- CPU configuration
- SDRAM capacity
- Firmware revision
- MAC address
- Serial number
- Installed PMC modules
- Test status
This is particularly important because MVME5100 boards with the same base model can have different processor and memory configurations.
❓ Frequently Asked Questions
Q: What is the MOTOROLA EMERSON MVME5100?
A: It is a high-performance VME single board computer used as an embedded processor and control platform in VMEbus systems.
Q: What processor does the MVME5100 use?
A: Depending on the specific version, the MVME5100 family can use Motorola PowerPC MPC750, MPC755, or MPC7410 processors.
Q: What is the CPU speed?
A: CPU speed depends on the exact board configuration. Published MVME5100 configurations include approximately 400 MHz, 450 MHz, and 500 MHz versions.
Q: Does the MVME5100 support Ethernet?
A: Yes. The MVME5100 family includes dual 10/100Base-TX Ethernet interfaces.
Q: Does it support PMC modules?
A: Yes. The board includes two IEEE P1386.1-compatible 32/64-bit PMC expansion slots.
Q: Is the MVME5100 a PLC?
A: No. It is a VME embedded single board computer. It can perform industrial control functions, but its architecture is different from a conventional PLC CPU.
Q: Can any MVME5100 replace another MVME5100 board?
A: Not necessarily. Processor type, CPU speed, memory size, Flash configuration, PMC modules, firmware, and operating temperature version should all be checked before replacement.
🔄 Related MOTOROLA / EMERSON VME Models
- MOTOROLA MVME5100 — VME Single Board Computer
- MOTOROLA MVME5106 — VME Processor Module
- MOTOROLA MVME51005E — VME Single Board Computer
- MOTOROLA MVME5500 — VME Single Board Computer
- MOTOROLA MVME6100 — VME Processor Module
- MOTOROLA MVME2300 — VME Embedded Controller
- MOTOROLA MVME2400 — VME Processor Board
- MOTOROLA MVME2600 — VME Single Board Computer
- MOTOROLA MVME2700 — VME Processor Module
- MOTOROLA MVME3100 — VME Single Board Computer
These models belong to Motorola and Emerson embedded VME computing product families. They are related VME processor platforms but should not be considered direct replacements without confirming the processor architecture, VME configuration, software compatibility, firmware, and installed I/O modules.
🏭 Application Summary
The MOTOROLA EMERSON MVME5100 is a PowerPlus II-based VME single board computer designed for embedded computing and equipment-control systems.
Its combination of PowerPC processing, ECC SDRAM, VMEbus support, Ethernet, serial communication, PMC expansion, PCI expansion, Flash memory, and system-controller capability makes it suitable for industrial automation, semiconductor equipment, instrumentation, aerospace, and other embedded VME applications.
For replacement purchasing, the MVME5100 base model alone is not sufficient. The complete board configuration, including processor type, CPU speed, memory size, firmware, PMC configuration, and environmental rating, should be matched against the installed unit.
Product Identification: MOTOROLA EMERSON MVME5100
Product Type: VME Single Board Computer
Architecture: PowerPlus II
Processor Family: PowerPC MPC750 / MPC755 / MPC7410
Application: Industrial and Embedded VME Systems
Condition: Verify Actual Unit Condition
