Motorola MVME2432 6U VME64 Single Board

Manufacturer: Motorola Embedded Computer Group (now part of Emerson Embedded Division)

Part Number: MVME2432 (MVME2400 series VME single slot main processor board, three variants: MVME2432-1 / MVME2432-2 / MVME2432-3)

Product Type: Standard 6U VME64 single-slot embedded real-time SBC, dual PMC mezzanine expansion architecture, industrial & military control main computing unit

Matching Platform: VME64 industrial rack systems, GE Mark V/VI turbine control, nuclear power DCS, offshore oil & gas control, military embedded automation, QNX/VxWorks real-time OS

Core Function: Motorola PowerPC 750 (MPC750) 32-bit RISC CPU; 32KB L1 I-cache + 32KB L1 D-cache + 1MB backside L2 cache; onboard ECC SDRAM (32MB~128MB); 2MB~8MB boot flash + 8KB battery-backed NVRAM; dual IEEE P1386.1 PMC expansion slots; front panel 10/100Mbps Ethernet, dual RS232 serial debug ports; Universe II VME64 PCI bridge; VME A16/A24/A32/D64 bus master/slave controller; hardware watchdog timer, real-time clock; multi-stage EMI surge filtering; wide temperature industrial PCB; conformal coating optional for harsh plant environments; supports simplex & triple redundant TMR control rack architectures

1. Product Overview

MVME2432 belongs to Motorola classic MVME2400 PowerPlus II VME embedded single board computer series, launched in 1995, widely adopted as core main controller for heavy-duty industrial distributed control, turbine VME racks, nuclear safety monitoring and offshore hazardous area automation systems. Adopts low-power high-performance PowerPC 750 RISC processor with three frequency variants (333MHz / 366MHz / 400MHz), equipped with independent L1/L2 cache to guarantee stable microsecond-level real-time control cycle execution under heavy logic load. Onboard ECC error-correcting SDRAM eliminates single-bit memory corruption risks critical for power generation safety control. Built-in non-volatile flash firmware storage and battery-backed NVRAM preserve control programs, parameter setpoints and fault SOE logs after full power loss. Two full-size PMC mezzanine expansion slots support dual independent PCI peripheral daughter cards (serial communication, analog I/O, extra Ethernet, fieldbus gateways), flexible expanding field signal acquisition and communication channels without occupying extra VME rack slots. Front panel integrates independent 10/100 Ethernet and dual RS232 console ports for upper SCADA data upload and local program download & troubleshooting. Universe II PCI-VME bridge chip realizes full VME64 bus master function, supporting 32/64-bit high-speed parallel data exchange with all VME I/O boards in the rack, featuring DMA direct memory access to reduce CPU load. Integrated hardware watchdog circuit automatically resets the processor when program runaway or hardware crash occurs to avoid uncontrolled equipment operation. Wide temperature industrial-grade PCB design, optional IPC-CC-830 anti-corrosion conformal coating for high-dust, high-humidity, corrosive gas power plant and offshore platforms. Standard 6U single-slot VME mechanical form factor supports hot-swap maintenance operation. It cannot operate standalone and must be installed into standard VME64 backplane rack with matched power supply and peripheral I/O modules. This MVME2432 SBC is irreplaceable core spare CPU hardware for legacy VME-based turbine, nuclear and petrochemical control cabinets, used for unit overhaul, main controller fault replacement and long-term system performance maintenance.

Write a review

Your Name

Your Review

Rating

Continue