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Real-World Use & Application Scenarios
The Motorola MVME162-023A finds its niche in high-demand industrial automation settings where processing reliability, communication throughput, and real-time control are mission-critical. Commonly used in industrial control systems, defense applications, transportation, and telecommunications, this model handles multitasking and complex control loops with efficiency. The board excels in embedded control environments that require handling multiple IndustryPack I/O modules alongside integrated Ethernet and SCSI interfaces. Its utilization in VMEbus-based infrastructures makes it ideal for ruggedized industrial environments where system uptime and data integrity across diverse communication protocols are essential. Engineers rely on the Motorola MVME162-023A for applications that demand fast, fault-tolerant computing power embedded within control cabinets or distributed automation nodes.
Product Introduction & Positioning
The Motorola MVME162-023A is a single board computer powered by a 25 MHz MC68040 microprocessor, featuring 4 MB of onboard DRAM and equipped with four IndustryPack slots for expandable I/O capabilities. Positioned within the MVME162 family, it integrates robust VMEbus system controller features, making it a core computational and communication node in embedded and industrial control systems. This module’s architecture supports fault-tolerant operation with ECC memories and watchdog timers, suited for installations requiring continuous operation and high data integrity. System integrators often select the MVME162-023A for its balance of processing speed, memory capacity, and versatile interfacing capabilities, ensuring it aligns with complex automation and mission-critical control system needs.
Key Technical Features & Functional Benefits
At the heart of the Motorola MVME162-023A is the enhanced MC68040 microprocessor running at 25 MHz, which incorporates an 8KB cache together with memory management and floating-point units to accelerate control task execution and mathematical processing. The 4 MB of shared DRAM supports dynamic read/write burst modes facilitating rapid data access across both VMEbus and local buses, essential for real-time automation processes. The board’s memory architecture supports ECC, boosting data reliability by detecting and correcting memory errors during operation.
Its hardware design emphasizes modularity and flexibility, featuring four IndustryPack I/O slots that enable customized addition of analog, digital, or specialized communication interfaces. Complemented by onboard SCSI and Ethernet controllers, the MVME162-023A accommodates both mass storage and networked control functions, expanding its applicability. The board’s watchdog timer and multiple 32-bit timers help maintain system stability and support deterministic task scheduling. Despite its advanced features, the module fits within a single VMEbus slot with industrial-grade environmental tolerances, making it well-suited for environments requiring compact, resilient solutions.
- MVME162-023A
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Model | Motorola MVME162-023A |
| Brand | Motorola |
| Product Type | Single Board Computer (VMEbus module) |
| Processor | MC68040 32-bit microprocessor |
| Processor Speed | 25 MHz |
| Onboard Memory | 4 MB DRAM with ECC support |
| SRAM | 512 KB battery-backed SRAM |
| Flash Memory | 1 MB for firmware and monitoring |
| IndustryPack I/O Ports | 4 slots |
| Communication Interfaces | Ethernet (Intel 82596CA), SCSI (NCR 53C710), 2 serial ports (EIA-232-D DCE & configurable) |
| Operating Temperature | 0° to 70° Celsius (forced air cooling) |
| Mounting | Single-width VMEbus slot |
| Dimensions | 233.4 mm (H) × 160 mm (D) × 19.8 mm (W) |
| Weight | Approx. 0.5 kg |
| Certifications | FCC Class A |
| Cooling | Forced air recommended |
| Environmental Rating | Industrial-grade, altitude up to 5,000m |
Related Modules or Compatible Units
MVME162-022A – Similar 25 MHz MC68040 board with 4 MB DRAM but without integrated SCSI.
MVME162-023 – Base variant with comparable specs, earlier firmware version.
MVME162-032 – Increased onboard memory variant with 8 MB DRAM.
MVME167-33B – Higher processing speed and ECC memory for advanced control tasks.
MVME177 – Enhanced CPU module for demanding VMEbus applications.
MVME160 – Entry-level compatible VME module for simpler control applications.
Installation Notes & Maintenance Best Practices
Installation of the Motorola MVME162-023A requires checking VME chassis compatibility with single-width modules and ensuring proper airflow, preferably forced air, to maintain the board’s temperature within specified industrial limits. Proper grounding and shielding are vital to mitigate industrial electromagnetic interference and preserve signal fidelity across the Ethernet, SCSI, and serial ports. Leave sufficient clearance for module removal and future servicing.
Routine maintenance involves inspecting connectors and cooling pathways to prevent dust buildup and corrosion-related issues. Leveraging built-in watchdog timers and software diagnostics supports proactive fault detection. Maintaining firmware via reliable update processes improves performance and addresses evolving security or functionality needs. Keep detailed hardware configuration and update logs to streamline troubleshooting and system audits
