Motorola MVME162-P242L Cost-Optimized Mid-Tier Real-Time Single-Board Computer

The Motorola MVME162-P242L is a legacy industrial VMEbus cost-optimized mid-tier real-time Single-Board Computer (SBC) designed to balance performance and affordability—serving as a streamlined variant of the more feature-rich Motorola MVME162P-242LE. Unlike entry-level SBCs such as Motorola MVME-147-011 (limited processing power) or high-end models like Motorola MVME7100-0173 (premium pricing), Motorola MVME162-P242L integrates a 180 MHz MPC603e processor, scaled-back memory, and focused expansion to meet the needs of budget-constrained mid-tier automation tasks.

As a practical component in Motorola’s legacy computing lineup, Motorola MVME162-P242L acts as a “cost-efficient control hub” for industrial systems. It processes moderate-volume data from peripheral modules (e.g., Motorola MVME-177-003 for analog sensors, Motorola MVME55006E-0163 for digital I/O) and executes time-sensitive logic—for example, controlling conveyor systems in a medium-sized warehouse or monitoring temperature in a regional food storage facility. Its -30°C–65°C operating range and 6U form factor make it ideal for semi-harsh environments like manufacturing workshops, commercial HVAC systems, or mid-scale water treatment plants—where replacing it would require costly rewiring of compatible peripherals and revalidation of basic real-time workflows.

Detailed Parameter Table

Core Advantages and Technical Highlights

Cost-Optimized Performance for Mid-Tier Tasks: Motorola MVME162-P242L delivers 80% of the processing power of Motorola MVME162P-242LE at 70% of the cost, making it suitable for budget-constrained users. A medium-sized packaging plant uses Motorola MVME162-P242L to control 3 conveyor lines—processing sensor data (e.g., “package present” signals) and sending actuation commands with <15 ms latency, which meets the plant’s 1-second cycle time requirements. The 180 MHz MPC603e processor’s RISC architecture ensures efficient execution of real-time control loops, avoiding the performance bottlenecks of entry-level SBCs like Motorola MVME-147-011.

Focused Expansion for Essential I/O Needs: With 1 PMC slot and 1 CompactFlash slot, Motorola MVME162-P242L provides targeted expansion without unnecessary complexity. A small-scale solar farm uses Motorola MVME162-P242L to monitor 10 solar inverters: it adds a PMC serial module to connect to inverters via RS-422 and uses the CompactFlash slot to store daily energy production data (128 MB capacity suffices for 3 months of logs). This setup avoids the $1,200+ cost of Motorola MVME162P-242LE’s extra PMC slot and larger Flash ROM—features the farm does not need.

Low Power + Lightweight Design for Space-Constrained Setups: With 18 W typical power consumption (22% lower than Motorola MVME162P-242LE) and a 720 g weight, Motorola MVME162-P242L fits in compact 6U VME chassis (e.g., 4-slot units) used in commercial buildings. A shopping mall’s HVAC control system uses Motorola MVME162-P242L to manage 8 air handling units—its low power draw reducing the chassis’ power supply requirements, and its lightweight design simplifying installation in ceiling-mounted control cabinets. The module’s VMEbus A32/D32 interface also ensures compatibility with legacy HVAC peripherals like Motorola MVME-340A (serial communication for thermostats).

Typical Application Scenarios

In a medium-sized food distribution warehouse, Motorola MVME162-P242L controls a semi-automated order picking system paired with Motorola MVME55006E-0163 (digital I/O) and Motorola MVME341A (serial communication). It uses its Ethernet port to receive order data from a warehouse management system and its serial port to send picking commands to 12 barcode scanners. The 128 MB SDRAM buffers 1 hour of order data (sufficient for peak picking periods), while the battery-backed SRAM preserves scanner calibration settings during power outages. Motorola MVME162-P242L’s 180 MHz processor ensures command execution within 10 ms, keeping the picking rate at 20 orders per minute—meeting the warehouse’s daily throughput target of 1,500 orders.

For a regional water treatment plant (serving 20,000 residents), Motorola MVME162-P242L acts as a local control hub. It connects to Motorola MVME-177-003 (analog input) to monitor 8 pH sensors and Motorola MVME55006E-0163 (digital I/O) to control 4 chemical dosing pumps. The SBC’s Ethernet port sends hourly water quality reports to a central SCADA system, while the CompactFlash slot stores 1 month of historical data for regulatory compliance. Motorola MVME162-P242L’s -30°C–65°C operating range withstands the plant’s outdoor enclosure temperatures (winter lows of -25°C, summer highs of 60°C), ensuring 99.9% uptime for critical water treatment processes.

Installation Commissioning and Maintenance Instructions

Installation preparation: Before installing Motorola MVME162-P242L, verify the VMEbus chassis has a 6U slot and supports A32/D32 addressing (critical for compatibility with the SBC’s VME interface). Confirm the power supply provides +5V DC (±3%), +12V DC (±4%), and -12V DC (±6%)–use a precision multimeter to avoid voltage ripple that degrades the 180 MHz processor’s performance. Gather tools: anti-static wristband (protects CPU/memory), torque screwdriver (0.5 N·m for 6U mounting), DIMM installer (for memory expansion), and a laptop (for OS configuration via Ethernet). If adding a PMC module, align it with the SBC’s single slot, press gently until seated, and secure with the provided screws (do not over-tighten to avoid damaging the slot).

Maintenance suggestions: For daily upkeep, check Motorola MVME162-P242L’s LEDs–steady power, blinking processor/Ethernet lights, and no fault indicators mean normal operation. Run basic BIST monthly via the host OS to validate CPU/memory integrity; replace the module if errors occur (no user-serviceable components). Clean the SBC’s vents quarterly with compressed air (18 PSI max)–avoid higher pressure to prevent damage to the scaled-back cooling system. Replace the battery-backed SRAM battery annually (3V lithium) to preserve critical data (e.g., HVAC setpoints). Store spare Motorola MVME162-P242L units in anti-static bags (15°C–25°C, 40%–60% humidity) to protect the processor and memory components from environmental damage.