Product Short Description
Product Overview
MVME162PA-344E is a high-spec variant of the MVME162PA platform, adopting improved Petra II ASIC architecture, larger memory capacity and strengthened industrial temperature adaptability. It is designed for long-lifecycle embedded systems requiring continuous 24/7 operation.
Description
Technical & Performance Parameters
- Processor: MC68040 32MHz, 8KB internal cache, hardware FPU
- Main Memory: 32MB soldered DRAM, expandable to 128MB via mezzanine memory module
- Non-Volatile Memory: 1MB Flash, 512KB battery-backed SRAM with integrated TOD clock
- Interfaces: Dual configurable RS-232/422 serial ports, optional 10BASE-T Ethernet, SCSI-2
- Expansion: Four IndustryPack slots supporting DMA data transfer
- VMEbus: A32/D64, BLT transfer, programmable system controller arbitration
- Operating Temperature: 0°C ~ 70°C
- Power Supply: +5V DC, maximum 4.8A
Functional Features
- Optimized local bus burst transmission for low-latency real-time control loops
- Enhanced watchdog timer with multi-stage fault escalation for system fail-safe protection
- Hardware parity detection for DRAM to identify memory corruption errors
- Support for hot insertion detection logic in compliant VME chassis
- Compatible with all standard MVME162 family software firmware
Working Principle
The upgraded Petra II ASIC manages local bus and VMEbus traffic with lower latency. The CPU acquires field data through IndustryPack I/O modules, executes control algorithms, and exchanges data with other VME nodes. Battery-backed memory preserves critical operating parameters during power outages.
Material & Structural Characteristics
- Multi-layer PCB with conformal coating optional for humid industrial environments
- Reinforced front panel latches to resist vibration in mobile equipment
Application Scenarios
Offshore automation control, mobile military vehicle control systems, continuous production line controllers, long-term unattended monitoring stations.
Installation Requirements
- Ensure chassis cooling system maintains component surface temperature below 80°C
- Route all serial communication cables with shielded wiring and proper grounding
Usage Precautions
- Conformal coating modification must be completed by professional technicians; improper coating causes component overheating
- Shield grounding points must connect to chassis protective earth to reduce EMI
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