I. Basic Information
Full Model：VMIVME-7750-734001 / 350-027750-734001 K
Brand & Origin：GE Fanuc / VMIC, USA Original
Product Positioning
As a 6U VME bus high-performance single-board computer (SBC) of GE VMIVME series, it serves as the core embedded computing main control board, specially designed for industrial measurement and control, aviation testing, energy equipment and military automatic control scenarios requiring high reliability and high real-time performance. As the core main control unit of VME bus systems, it undertakes core tasks such as program operation, centralized data processing, bus protocol scheduling, peripheral resource management, real-time logic control, high-speed data acquisition and closed-loop working condition management. It is the core hardware brain of VME architecture industrial control systems, test and measurement systems and high-end equipment automatic control systems. Widely applied in industrial process control, generator set measurement and control, rail transit equipment, airborne aviation test and military embedded control, it acts as an essential original spare part for replacing faulty old VME main control boards, upgrading system computing power and expanding equipment technical renovation.
Hardware Architecture
It adopts an industrial-grade reinforced embedded architecture, equipped with Intel Pentium III high-speed processor and Intel 815E dedicated chipset, integrated with independent L1/L2 high-speed cache, SODIMM high-speed memory unit, CompactFlash solid-state storage interface, high-speed bus scheduling kernel and hardware fault tolerance monitoring system. Adopting standard 6U VME board structure and industrial-grade reinforced PCB with layered isolated wiring and separated strong and weak current shielding design, it effectively isolates industrial electromagnetic interference and voltage crosstalk. The built-in hardware-level bus error correction, temperature monitoring, power stabilization and operation self-recovery mechanism features strong computing power, large bus throughput, high real-time performance, vibration and impact resistance, wide temperature tolerance and stable long-term operation. Perfectly adapted to VME64x high-speed bus protocol, it thoroughly solves industrial pain points of traditional embedded main controllers such as insufficient computing power, low bus bandwidth, poor real-time performance and easy crash under harsh working conditions.
Mounting Specification
It supports embedded plug-in installation in standard 6U VME rack chassis, matching standard industrial VME chassis and backplane slots with standardized bus electrical docking and buckle reinforced locking structure for vibration resistance, anti-loosening and stable electrical contact, adapting to equipment high-frequency vibration operation conditions. The front panel is integrated with status indicators, bus operation indicators and fault alarm indicators, supporting rapid on-site inspection, bus status judgment and hardware fault location. Featuring compact structure and high integration, it adapts to the dust-proof, moisture-proof and wide-temperature round-the-clock operating environment of closed industrial chassis. It supports live hot-swap maintenance without overall equipment power-off, fully complying with GE VME series board original installation, commissioning and operation specifications.
Compatible Systems
Exclusively compatible with standard VME64x bus architecture chassis, backplanes and various VME expanded I/O boards, communication boards and acquisition boards. Natively adapted to industrial embedded real-time operating systems, it supports the development and operation of various industrial control configuration, measurement and control programs and data acquisition programs. It can be seamlessly connected with upper monitoring systems, on-site acquisition equipment, actuators and testing instruments, supporting parallel networking of multiple VME devices, high-speed data interaction and multi-module collaborative operation, adapting to the construction of various high-end embedded automatic control, measurement and test systems and the upgrading of old systems.
Product Characteristics
An original industrial reinforced VME single-board computer. It completes full-load computing aging, bus pressure test, high and low temperature limit condition verification, full EMC electromagnetic compatibility certification and vibration impact test before factory delivery. Equipped with Pentium III high-performance computing core, it features sufficient computing power and excellent real-time performance. It supports large-capacity memory and solid-state storage expansion with strong program bearing capacity. Native VME64x high-speed bus transmission ensures large throughput and ultra-low delay. The industrial reinforced anti-vibration structure adapts to harsh working conditions. It supports 24/7 uninterrupted high-load continuous operation. Old main control boards of the same series with insufficient computing power, abnormal bus and frequent crashes can be replaced in situ, adapting to VME industrial control system computing power upgrading, hardware iteration and equipment technical renovation.
II. Technical Specifications
1. Core Operation Parameters
Processor: Equipped with Intel Pentium III industrial-grade processor and Intel 815E professional industrial control chipset, integrated with independent hardware operation scheduling unit, it efficiently undertakes high-load tasks such as complex logical operation, large-scale data processing, multi-task parallel scheduling and real-time closed-loop control. Built-in standard L1/L2 high-speed cache ensures fast instruction execution speed and ultra-low task response delay, with no operation stuttering or computing bottleneck during multi-program parallel operation, fully meeting the real-time and computing power requirements of high-end industrial measurement and control, precision equipment control and high-speed data acquisition.
2. Memory & Storage Parameters
Memory Configuration: Equipped with a single standard SODIMM memory slot, supporting up to 512MB industrial-grade SDRAM high-speed memory. It features high memory read-write speed and strong stability with no read-write delay or data disorder under large-batch data processing and multi-task parallel working conditions. Storage Configuration: Natively supports CompactFlash solid-state storage media and compatible with SATA SSD/HDD expanded storage, meeting the expansion requirements of large program resident, massive working condition data caching, system log storage and process formula preservation. It retains complete data after power failure and quickly restores operating state after power-on.
3. Bus Transmission Parameters
Bus Standard: Compatible with VME64x industrial high-speed bus protocol with a maximum burst transmission rate of 160MB/s, featuring large bus throughput and ultra-low data transmission delay, supporting high-speed parallel data interaction and real-time transceiving of large-batch data for multiple VME modules. The built-in hardware-level data verification, error correction and retransmission mechanism effectively avoids data packet loss, transmission disorder and bus congestion caused by industrial interference, ensuring accurate, efficient and stable multi-device collaborative communication of the entire VME system.
4. Electrical Parameters
Standard Power Supply: Adapted to standard +5V, +12V, -12V multi-channel DC power supply of VME chassis, with balanced power consumption and low heat generation. No power attenuation or voltage fluctuation occurs under full-load operation and bus transmission conditions. The power supply loop is integrated with multi-stage filtering, over-current protection, over-voltage self-locking, electrostatic discharge and surge suppression circuits, which can effectively resist instantaneous industrial grid fluctuation, voltage impact and high-frequency clutter interference, avoiding board restart, operation abnormality and bus disconnection caused by abnormal power supply, ensuring long-term full-load stable operation.
5. Environmental Operating Parameters
Operating Temperature：-40℃～+85℃
Storage Temperature：-45℃～+90℃
Operating Humidity：5%~95% RH, non-condensing
The whole machine has passed authoritative industrial EMC, vibration resistance and impact resistance certifications. Adopting military-grade three-proof reinforced coating and enhanced board structure, it has excellent dust-proof, moisture-proof, aging-resistant, vibration-resistant, impact-resistant, wide-temperature resistant and strong electromagnetic interference-resistant performance. It can withstand harsh industrial conditions such as extreme temperature difference, high-frequency equipment vibration, dust accumulation and strong electromagnetic radiation, widely applicable to energy power, rail transit, aviation testing, military automatic control and high-end intelligent manufacturing.
III. Key Features
1. High-Performance Embedded Computing for Complex Measurement & Control Tasks
Equipped with Intel Pentium III industrial-grade processor and 815E industrial control chipset, paired with high-speed cache and large-capacity expanded memory, it features sufficient computing power and strong task scheduling capability, efficiently undertaking complex high-load tasks such as large embedded control programs, multi-loop closed-loop regulation, high-speed data acquisition and analysis, and multi-device collaborative management. The nanosecond-level task response speed ensures full-process system control real-time performance and operation accuracy, thoroughly solving the pain points of weak computing power, multi-task stuttering and response lag of traditional VME main control boards, meeting the strict requirements of high-end equipment precision measurement and control.
2. VME64x High-Speed Bus for Efficient & Stable Network Transmission
Natively compatible with VME64x high-speed bus standard with 160MB/s super-large burst transmission bandwidth, it supports real-time high-efficiency interaction of multi-channel, large-batch and high-frequency data, perfectly adapting to parallel networking of multiple VME modules, distributed data acquisition and cross-device collaborative control scenarios. The hardware-level bus error correction and data retransmission mechanism effectively resists industrial electromagnetic interference, eliminating data packet loss, transmission dislocation and bus blockage, ensuring efficient, accurate and continuous data transmission of the entire VME system, and greatly improving the overall operation efficiency and collaborative stability of the system.
3. Flexible Storage Expansion with Strong Compatibility & Wide Adaptability
It supports SODIMM memory expansion and dual-mode storage expansion of CompactFlash and SATA, enabling flexible configuration of hardware resources according to on-site program scale and data storage requirements, adapting to industrial control and measurement programs of different complexity levels. The combination of large-capacity high-speed memory and solid-state storage can stably undertake long-term continuous data caching, log recording, formula storage and high-frequency data reading and writing tasks without storage overflow or reading and writing faults, fully meeting the needs of long-term system iteration, function upgrading and data expansion.
4. Industrial Reinforced Design for High-Reliability Operation Under Harsh Conditions
Adopting 6U standard reinforced board structure with enhanced vibration and impact resistance design, paired with wide-temperature operating range, three-proof protective coating and multi-level electrical protection mechanism, it fully adapts to harsh industrial conditions such as high temperature, low temperature, high vibration, high dust and strong electromagnetic interference. The built-in hardware fault self-test, temperature monitoring, power stabilization and program self-recovery functions can real-timely detect hardware abnormalities and automatically correct minor operation deviations, greatly reducing the probability of fault downtime and ensuring 24/7 uninterrupted continuous equipment operation, suitable for high-reliability scenarios such as military industry, aviation and electric power.
5. High Compatibility & Efficient In-Situ Replacement
The board dimensions, bus protocol, electrical definition and installation specifications are fully compatible with standard 6U VME chassis and backplane systems. Old VMIVME-7750 series main control boards with faults, insufficient computing power and bus attenuation can be directly replaced in situ. No chassis structure modification, system program reconstruction or bus configuration modification is required. Full-load operation can be realized after normal power-on self-test, greatly shortening the downtime for equipment technical renovation and fault maintenance, and effectively reducing the operation and maintenance costs and downtime losses of high-end industrial control and measurement equipment.
IV. Working Principle
VMIVME-7750-734001 is a dedicated 6U high-speed single-board computer main control board for GE VME systems. As the core operation and control hub of the entire VME architecture equipment, after being inserted into the slot of a standard 6U VME chassis backplane and completing electrical docking and power access, it automatically finishes hardware self-test, processor initialization, memory and storage verification, VME bus handshake, peripheral resource matching and system initialization upon power-on, and enters normal main control operating state.
During normal system operation, relying on the high-speed computing capability of Pentium III processor and 815E chipset, the board cyclically executes embedded control programs, measurement and control algorithms and bus scheduling tasks. It real-timely interacts data with various I/O boards, acquisition boards and communication boards in the chassis through the VME64x high-speed bus, collects on-site working condition data and equipment status signals in real time, outputs accurate control instructions after high-speed operation, logical judgment and algorithm processing, realizing equipment closed-loop regulation, working condition monitoring, data storage and equipment linkage control. Meanwhile, it independently completes bus bandwidth scheduling, task priority allocation and data verification and error correction to ensure orderly parallel operation of multiple modules and tasks.
In the whole operation process, the built-in hardware monitoring and fault tolerance mechanism real-timely monitors power supply voltage, operating temperature, bus status and program operation conditions, automatically completing temperature regulation, power stabilization, bus fault self-recovery and data deviation correction. It can automatically correct and recover from minor electromagnetic interference, bus fluctuation and instantaneous voltage deviation without affecting normal system operation. When detecting hardware abnormality, bus fault or program exception, it immediately latches fault codes and lights alarm indicators to facilitate rapid inspection and maintenance. It continuously provides high-speed, stable and highly reliable core operation and bus scheduling support for VME architecture industrial control and measurement systems, ensuring long-term uninterrupted stable operation of high-end equipment.
V. Application Scenarios
1. VME Architecture Industrial Main Control Systems: As the core main control board of 6U VME chassis, it undertakes core tasks of operation calculation, bus scheduling and equipment linkage management in industrial process control and complete automatic equipment control systems.
2. High-End Test & Measurement Systems: Applied in aerospace testing, precision equipment detection, laboratory measurement and control, and data acquisition and analysis systems, it meets the high-precision and high real-time data processing requirements of high-end testing relying on high-speed computing power and bus performance.
3. Energy & Rail Transit Equipment: Used in generator set measurement and control, rail transit vehicle-mounted control and energy equipment automatic control systems, adapting to the uninterrupted operation requirements of outdoor, mobile and harsh working conditions with wide-temperature, vibration-resistant and high-reliability characteristics.
4. Technical Renovation & Upgrading of Old VME Systems: Replaces old main control boards with insufficient computing power, unstable bus and high failure rate, improving the overall system computing performance, bus transmission efficiency and operation stability, suitable for hardware iteration and system upgrading of high-end equipment.
