GE VME7768-320000 Single Board Computer

GE VME7768-320000 Single Board Computer

Product Core Architecture and Positioning

1. Core architecture composition

The VME7768-320000 adopts a core architecture of "high-performance processor+dedicated chipset+VME bus controller" to achieve efficient collaboration between computing power and communication:

-Processor Unit: Equipped with Intel high-performance multi-core processors (specific models can be selected according to configuration, such as the Core i7 series), with a maximum clock speed of 3.6GHz, supporting multi-threaded parallel computing, and possessing powerful floating-point and data processing capabilities, it can meet the complex algorithm operation requirements in real-time control scenarios.

-Storage unit: Integrated DDR4 high-speed memory (supporting up to 64GB), with a read and write speed of up to 2666MT/s, ensuring high-speed data caching and swapping; Equipped with SATA interface solid-state drives (SSDs) and mechanical hard drives (HDDs), supporting RAID 0/1 array configuration, improving the reliability and read-write efficiency of data storage.

-Bus control unit: Equipped with a built-in VME64x bus controller, it supports 32-bit/64 bit address and data buses, with a maximum bus transmission rate of 320MB/s, enabling high-speed data exchange with other modules in the VME bus system (such as I/O modules and communication modules).

-I/O interface unit: integrates rich standard interfaces and industrial specific interfaces, including Ethernet USB、 Serial ports, PCIe expansion slots, etc. can directly connect external devices such as sensors, actuators, and human-machine interfaces without the need for additional adapter modules.

2. Product positioning and core values

As the "computational core" of industrial control systems, VME7768-320000 mainly undertakes three core tasks: ① Real time data processing: quickly collecting and processing various sensor signals from field devices (such as temperature, pressure, speed, etc.), providing data support for control decisions; ② Control logic operation: Run complex control algorithms (such as PID regulation, fuzzy control, etc.), generate precise control instructions and issue them to actuators; ③ System collaborative management: Collaborate with other modules through the VME bus to achieve centralized control and data sharing of multiple devices, while interacting with the upper monitoring system through communication interfaces to support remote monitoring and management.

Its core value lies in combining powerful computing performance with industrial grade reliability, solving the dual pain points of "insufficient computing power" and "poor stability" of traditional computers in industrial environments, and providing efficient and reliable computing solutions for key industrial scenarios.

Core functions and technical features

1. High performance real-time data processing

This single board computer relies on multi-core processors and high-speed storage architecture, and has excellent real-time data processing capabilities:

-Supports parallel acquisition and processing of multi-channel data, and can simultaneously access up to 32 analog signals and 64 digital signals. The data sampling period can be as short as 1ms, ensuring fast response to changes in on-site working conditions.

-Built in hardware acceleration module, optimized for commonly used matrix operations, filtering algorithms, etc. in industrial control, with computational efficiency increased by more than 30% compared to general-purpose computers, which can meet the real-time computational needs of complex control logic.

-Support dual system deployment of real-time operating systems (such as VxWorks, QNX) and general-purpose operating systems (such as Windows Server, Linux). Real time systems are used for core control logic operations, while general-purpose systems are used for data storage and human-computer interaction, balancing real-time performance and usability.

2. Flexible VME bus expansion and communication

Based on the VME64x bus standard, this product has strong system expansion and communication capabilities:

-The VME bus supports hot swappable functionality, allowing for the replacement or addition of VME bus modules (such as analog I/O modules, digital I/O modules, and dedicated communication modules) without shutting down the system, greatly enhancing the maintainability and scalability of the system.

-The bus adopts differential signal transmission technology and has strong anti electromagnetic interference capability. The bus transmission distance can reach 20m, supporting multiple single board computers to form a distributed computing system through VME bus, achieving computing power coordination and load balancing.

-In addition to the VME bus, it also integrates 2 Gigabit Ethernet interfaces (supporting IEEE 802.3 standard), 4 USB 3.0 interfaces, and 2 RS485/RS232 serial ports, supporting industrial communication protocols such as Modbus, Profinet, EtherNet/IP, and can seamlessly interface with upper level monitoring systems and on-site intelligent devices.

3. Industrial grade reliability and environmental adaptability

In response to the harsh operating conditions of industrial sites, VME7768-320000 adopts a comprehensive reliability design:

-Anti interference design: Complies with the IEC 61000-4 electromagnetic compatibility standard, passes EMC testing (including electrostatic discharge immunity, radio frequency electromagnetic field radiation immunity, etc.), and can operate stably in strong electromagnetic interference environments (such as substations, metallurgical workshops).

-Wide environmental adaptability: working temperature range of -40 ℃~85 ℃, humidity range of 5%~95% (no condensation), supporting long-term operation in high and low temperature, high humidity, and high altitude (up to 5000m) environments, suitable for complex industrial scenarios.

-Hardware redundancy and protection: Adopting a dual power module redundancy design, supporting power hot backup, to avoid system shutdown caused by single power failure; The key circuit has overcurrent, overvoltage, and over temperature protection functions, which can effectively prevent hardware damage caused by sudden failures.

-Shock resistance and heat dissipation: adopting fanless heat dissipation design (some models can choose fan assisted heat dissipation), combined with aluminum heat dissipation shell, high heat dissipation efficiency and no mechanical wear; The internal components are reinforced and can withstand 10g peak vibration and 50g impact, making them suitable for scenarios with severe vibrations such as rail transit and aerospace.

4. Rich software support and development tools

GE provides comprehensive software support and development toolchain for this single board computer, reducing the difficulty of system development and deployment

-Provide driver packages for operating systems such as VxWorks and Linux, supporting plug and play of various hardware interfaces and extension modules, reducing the workload of driver development.

-Equipped with the GE Proficy development platform, it integrates control algorithm libraries (such as PID algorithm, predictive control algorithm), data processing tools, and a visual configuration interface. Developers can quickly build control logic through graphical programming without the need to write complex code.

-Supporting remote debugging and firmware upgrade functions, developers can remotely connect to single board computers via Ethernet for program debugging, parameter modification, and firmware updates, without the need for on-site operations, thereby improving development efficiency.

5. Data Security and Storage Management

In response to the security and integrity requirements of industrial data, this product has comprehensive data security and storage management functions:

-Supports hard disk encryption and partition permission management, and can encrypt and store sensitive data (such as control algorithms and operation logs) to prevent unauthorized access or tampering.

-Equipped with redundant storage interfaces, supporting RAID 0/1 array configuration, real-time data backup can be achieved in RAID 1 mode to avoid data loss caused by hard disk failures; Simultaneously supporting external storage devices such as USB flash drives and portable hard drives for data export and backup.

-Equipped with logging function, it can automatically record the system's operating status, fault information, operation records, etc. The log data will not be lost in case of power failure, making it easy to trace faults and maintain the system.

Key technical parameters

processor

Intel Core i7-8700E (6-core 12 thread, main frequency 2.6GHz, highest turbo frequency 4.1GHz)

Supports Intel vPro technology, with high performance and low power consumption characteristics

memory

DDR4 2666MHz， Maximum support for 64GB (2 x 32GB)

ECC verifies memory to improve data storage reliability

Storage interface

2 x SATA 3.0 interface, supporting SSD/HDD; 1 × mSATA interface

Supports RAID 0/1 array configuration

VME bus

VME64x standard, 32/64 bit address/data bus, maximum transfer rate 320MB/s

Support hot swapping and differential signal transmission

network interface

2 x Gigabit Ethernet interface (RJ45), supporting IEEE 802.3ab/g/n

Support link aggregation and redundant backup

Universal I/O interface

4 x USB 3.0 interface; 2 x RS485/RS232 serial ports; 1 x VGA interface; 1 x HDMI interface

Meet the requirements of peripheral connection and display

extended interface

2 x PCIe 3.0 x8 slots; 1 x PCI slot

Support access to dedicated expansion cards

working power supply

DC 24V ± 15% or AC 110/220V ± 10%

Dual power module redundant input

working environment

Temperature -40 ℃~85 ℃; Humidity 5%~95% (no condensation); Altitude ≤ 5000m

Adapt to harsh industrial environments

Anti-interference performance

Compliant with IEC 61000-4-2/3/4/6 standards

Electrostatic discharge ± 8kV, RF radiation immunity 10V/m

mechanical properties

Vibration: 10g peak value (5-2000Hz); Impact: 50g peak (11ms)

Reinforced design, suitable for severe vibration scenarios

Installation method

VME rack installation (3U/6U standard size)

Compliant with VME system rack installation specifications

Applicable scenarios and application areas

VME7768-320000, with its high performance, high reliability, and strong scalability, is widely used in industrial scenarios that require strict real-time and stability requirements, mainly including:

1. Power industry: Used for unit control systems in thermal power plants and hydropower stations (such as DEH digital electro-hydraulic control systems, DCS distributed control systems), as the core computing unit to process signals such as unit speed, pressure, temperature, etc., and run PID regulation algorithms to achieve precise control of the unit, ensuring power generation efficiency and operational safety.

2. Aerospace field: Applied to aircraft ground testing equipment and spacecraft measurement and control systems, it achieves real-time collection and processing of test data in high and low temperature, high vibration environments, supports the operation of complex testing algorithms, and provides data support for equipment performance verification.

3. In the field of rail transit: used for train control systems in subways and high-speed trains (such as ATP train automatic protection systems), processing real-time data such as train speed, position, and track signals, generating braking and acceleration control instructions, ensuring safe train operation and efficient scheduling.

4. Petrochemical industry: Suitable for process control systems of large chemical plants, such as control units of catalytic cracking units and hydrogenation units, real-time processing of process parameters such as reaction temperature, pressure, and liquid level, running advanced control algorithms to optimize production processes, and improving product quality and production efficiency.

5. In the field of national defense and military industry, measurement and control systems for military equipment (such as radar control systems and weapon equipment testing systems) are used to achieve real-time monitoring and data processing of equipment status in extreme environments, ensuring the reliable operation of equipment.

6. In the field of intelligent manufacturing: as the control core of industrial robots and intelligent production lines, it processes sensor data and motion control instructions to achieve precise robot movements and coordinated operation of production lines, thereby improving the level of production automation.