Product Short Description
Product Overview
MVME162-512A belongs to the upgraded MVME162FX series VME single-board computer, optimized memory configuration and enhanced I/O capability compared with MVME162-212. It retains full VMEbus compatibility and IndustryPack expansion architecture, targeting mid-performance real-time embedded control systems.
Description
Technical & Performance Parameters
- Processor: MC68040 25MHz, 8KB cache, MMU + FPU
- Main Memory: 8MB ECC-capable DRAM
- Non-Volatile Storage: 1MB Flash EPROM, 512KB battery-backed SRAM
- Communication Interfaces: 4×EIA-232/422 configurable serial ports; optional 10BASE-T Ethernet controller
- Bus Specification: VME64 compatible, supports D64 block transfer, VME interrupt arbitration
- Expansion: 4 IndustryPack module slots
- Power Consumption: +5V typical 4.1A, peak 5.0A
- Operating Temperature: 0°C ~ 70°C commercial grade
- Mechanical Form: Standard 6U VME module
Functional Features
- Extended multi-channel serial interface for connecting multiple field instruments and terminals
- Enhanced interrupt management logic supporting up to seven VME interrupt priority levels
- Optional on-board SCSI-2 controller for direct connection to mass storage devices
- Remote reset and abort signal extension connector for cabinet-mounted system control
- Software-configurable bus timing and memory mapping without hardware jumper modification
Working Principle
The core computing unit processes real-time control logic. Serial interfaces communicate with external field devices, while IndustryPack modules expand analog input, digital output and counter functions. VME64 bus provides high-speed inter-processor communication with other VME modules. Non-volatile SRAM stores critical setpoints and fault logs during power failure events.
Material & Structural Characteristics
- 8-layer FR-4 PCB with ground plane shielding to reduce electromagnetic interference
- Die-cast aluminum front panel with status LEDs for power, fault and activity indication
- Gold-plated backplane connectors to resist oxidation under long-term operation
Application Scenarios
Factory process control systems, automatic test equipment, ship auxiliary machinery control, aerospace ground test equipment, power plant auxiliary monitoring systems.
Installation Requirements
- Install in ventilated VME chassis with airflow rate ≥0.8m/s across PCB surface
- Terminate unused serial ports to suppress signal reflection
- Configure VME base address and interrupt vector before system integration
Usage Precautions
- Avoid frequent power cycling to extend backup battery service life
- Do not operate beyond specified temperature range; high temperature accelerates Flash memory aging
- Isolate analog and digital wiring for IndustryPack modules to reduce signal crosstalk
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