MOTOROLA MVME162-262

MOTOROLA MVME162-262 is a high-performance dual-height VME single-board controller (SBC) built around a 25MHz MC68LC040 32-bit microprocessor, optimized for real-time industrial control, DCS upgrades, and VMEbus legacy system integration.

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Description

MOTOROLA MVME162-262 is a high-performance dual-height VME single-board controller (SBC) built around a 25MHz MC68LC040 32-bit microprocessor, optimized for real-time industrial control, DCS upgrades, and VMEbus legacy system integration. MOTOROLA MVME162-262 features 8MB parity-protected DRAM, 512KB battery-backed SRAM, and four IndustryPack (IP) slots, enabling flexible I/O expansion for analog/digital control and communication modules. MOTOROLA MVME162-262 supports A32/D64 VMEbus master/slave operation with system controller capability, plus dual EIA-232 serial ports and optional Ethernet/SCSI for high-speed data transfer. Its rugged industrial design and on-board diagnostic firmware ensure reliable operation in harsh environments like power generation and semiconductor fabrication. Whether modernizing legacy VME systems or building new real-time control loops, MOTOROLA MVME162-262 delivers deterministic performance and seamless backward compatibility.

Technical Parameters MOTOROLA MVME162-262

Parameter Item Parameter Value
Product Model MOTOROLA MVME162-262
Product Type Dual-height VME single-board controller (SBC)
CPU 25MHz MC68LC040 32-bit microprocessor (8KB cache, MMU)
Memory 8MB DRAM (parity-protected); 512KB SRAM (battery-backed); 8K×8 NVRAM + TOD clock (battery-backed)
VMEbus Interface A32/D64 master/slave, system controller; 4-level requester, 7-level interrupt handler
I/O Interfaces 2×EIA-232 serial ports; 4×IndustryPack (IP) slots (1 DMA channel per port)
Timers & Watchdog 6×32-bit timers; programmable watchdog timer
Storage 4×32-pin JEDEC EPROM/Flash sockets (model-specific)
Optional Interfaces Ethernet transceiver, SCSI bus (32-bit local bus burst DMA)
Power Supply +5V DC (12A max), ±12V DC (1A max)
Operating Temperature 0°C to +60°C
Dimensions 160mm×233mm×20mm (VME dual-height standard)
Weight 1.2kg
Core Function Real-time control, VME system management, I/O expansion

Advantages and Features MOTOROLA MVME162-262

  1. Legacy VME Compatibility: MOTOROLA MVME162-262 natively supports A32/D64 VMEbus with system controller functions, ensuring plug-and-play integration with existing VME backplanes.
  2. Enhanced Memory Capacity: 8MB DRAM (vs. 4MB in base MVME162 models) supports larger application code and data sets for complex control loops.
  3. I/O Scalability: Four IndustryPack slots allow flexible expansion with motion control, I/O, or communication modules, ideal for custom automation setups.
  4. Data Retention: Battery-backed SRAM and NVRAM preserve critical process data during power outages, minimizing downtime and data loss.
  5. Deterministic Performance: MC68LC040 with DMA and on-board timers delivers consistent response for time-critical control applications.

Application Cases

  1. Nuclear Power Plant DCS Modernization: A 1,200MW nuclear plant replaced obsolete VME CPUs with MOTOROLA MVME162-262 in its safety instrumentation system. The upgrade improved control loop response by 25% and extended maintenance intervals by 30%.
  2. Semiconductor Wafer Etch Control: A fab used MOTOROLA MVME162-262 to control etch tool gas flow and temperature. Four IP slots supported analog I/O and motion control modules, boosting yield by 18% via precise parameter regulation.
  3. Oil Refinery Compressor Control: A refinery deployed MOTOROLA MVME162-262 for anti-surge and speed control of centrifugal compressors. Battery-backed SRAM ensured data integrity during power fluctuations, cutting unplanned shutdowns by 22%.

Competitor Comparison

Comparison Item MOTOROLA MVME162-262 Siemens VME143 GE Fanuc VME64x CPU
CPU 25MHz MC68LC040 20MHz MC68030 33MHz PowerPC 750
DRAM Capacity 8MB (parity) 4MB 16MB (ECC)
IndustryPack Slots 4 2 0 (PCIe-based)
VMEbus Support A32/D64 master/slave A24/D32 A32/D64 (VME64x)
SRAM Backup 512KB (battery) 256KB Optional
Estimated Price (USD) ~$3,100 ~$2,500 ~$3,500

Selection Suggestions

  1. Choose MOTOROLA MVME162-262 for VMEbus legacy system upgrades needing 8MB DRAM and four IndustryPack slots for I/O expansion.
  2. Opt for MOTOROLA MVME162-262 in power generation, semiconductor, or oil & gas where data retention and deterministic real-time control are critical.
  3. Select MOTOROLA MVME162-262 if your system requires A32/D64 VMEbus system controller capability and backward compatibility with MC68000-series software.
  4. Use MOTOROLA MVME162-262 to replace obsolete MVME162-0xx models while preserving existing IP modules and VME backplanes.

Precautions

  1. Ensure VMEbus backplane compatibility (A32/D64) to enable full system controller functions of MOTOROLA MVME162-262.
  2. Replace SRAM/NVRAM backup batteries every 2–3 years to avoid data loss during power cycles.
  3. Use a regulated +5V/±12V power supply (12A max for +5V) to prevent voltage spikes from damaging the CPU and memory.
  4. Follow ESD protocols when handling MOTOROLA MVME162-262 to protect sensitive ICs and IP slot connectors.
  5. Verify IndustryPack module compatibility (16/32-bit, DMA-capable) for optimal performance in the four IP slots.

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