GE V7768-320000 350-9301007768-320000 A0

Description

Product Overview

GE V7768-320000 350-9301007768-320000 A0 is a high-performance single-board computer developed by GE Fanuc Embedded Systems (now Abaco Systems) for demanding industrial, military, and aerospace applications. This VMEbus form factor CPU board is based on the PowerPC architecture and is designed to provide deterministic real-time processing for critical control systems, data acquisition platforms, and simulation environments. GE V7768-320000 350-9301007768-320000 A0 is extensively deployed in GE Mark VI and Mark VIe turbine control systems as a coprocessor for high-speed vibration analysis, generator monitoring, and advanced control algorithms. The module is also widely used in defense applications including radar signal processing, flight simulation, and shipboard combat systems where extended temperature range and long-term product availability are mandatory requirements.

Technical Specifications

GE V7768-320000 350-9301007768-320000 A0 features the following technical specifications:

• Form Factor: 6U VMEbus, single slot width

• Processor: Motorola/Freescale PowerPC 750FX/755, 800 MHz – 1 GHz

• Cache Memory: 32 KB L1 instruction, 32 KB L1 data, 512 KB – 1 MB L2 cache

• Main Memory: 256 MB – 1 GB SDRAM with ECC, soldered

• Flash Memory: 128 MB boot flash, 512 MB application flash

• VMEbus Interface: Master/slave, A32/A24/A16, D64/D32/D16/D8, MBLT64, 2eVME

• Ethernet: 2 x 10/100/1000Base-T ports, front panel accessible

• Serial Ports: 2 x RS-232/RS-422, front panel

• USB: 2 x USB 2.0 ports

• PMC/XMC Sites: 1 x 64-bit PMC site (PCI-X) or 1 x XMC site (PCIe)

• Real-Time Clock: Battery-backed, <2 minutes/month drift

• Watchdog Timer: Programmable, 16 ms to 16 s

• Temperature Sensors: On-chip and board-level thermal monitoring

• Power Consumption: 5 V, 6 A typical; +12 V, 0.5 A; -12 V, 0.1 A

• Cooling: Conduction-cooled or air-cooled variants available

• Operating Temperature: -40°C to +71°C (conduction-cooled), 0°C to +55°C (air-cooled)

• Vibration: 5g RMS, 10–2000 Hz

• Shock: 30g, 11 ms half-sine

• MTBF: >200,000 hours at 40°C ground benign

A defining characteristic of GE V7768-320000 350-9301007768-320000 A0 is its extended lifecycle commitment. Unlike commercial single-board computers that may be discontinued within 3–5 years, the V7768 series is guaranteed for minimum 10–15 years of production availability and 20+ years of repair support—essential for military and critical infrastructure applications with 30+ year system lifecycles.

Advantages & Features

GE V7768-320000 350-9301007768-320000 A0 represents the gold standard for rugged embedded computing in long-lifecycle applications. Key advantages include:

• Extended Temperature Operation: Conduction-cooled variants operate from -40°C to +71°C without fans—ideal for harsh environments

• Deterministic Performance: PowerPC architecture eliminates unpredictable latency spikes common in x86 processors

• Long-Term Availability: Minimum 15-year production lifecycle with full form, fit, and function compatibility

• Legacy Software Compatibility: Binary compatibility with applications developed for previous V7xxx series boards

• Ruggedization: Conformal coating, shock mounting, and mil-spec component selection

• ECC Memory: Single-bit error correction, double-bit error detection protects against soft errors in high-reliability applications

For GE turbine control systems requiring high-speed vibration analysis, GE V7768-320000 350-9301007768-320000 A0 provides the deterministic processing power necessary for real-time FFT computation and machinery protection. The PowerPC architecture’s predictable interrupt latency ensures that critical protection algorithms execute within guaranteed time windows regardless of CPU loading.

Application Examples

Typical applications for GE V7768-320000 350-9301007768-320000 A0 include:

• Turbine Control: Real-time vibration analysis, shaft orbit plotting, and blade pass frequency monitoring in GE Mark VI/Mark VIe systems

• Flight Simulation: High-fidelity aerodynamic model computation, visual system interfacing, and instructor station processing

• Radar Signal Processing: Pulse-Doppler processing, target tracking, and beamforming

• Shipboard Combat Systems: Command and decision processing, weapon control interfacing, and sensor fusion

• Industrial Inspection: High-speed image acquisition and real-time defect detection

A North American nuclear utility operates 24 GE V7768-320000 350-9301007768-320000 A0 boards across four nuclear steam turbine generator sets. These boards perform continuous online vibration monitoring and rotor dynamic analysis, providing early warning of developing mechanical issues. The utility selected the V7768 specifically for its extended temperature rating and 20-year repair support commitment, ensuring availability of replacement modules throughout the plant’s remaining 25-year license period.

Competitive Comparison

Primary competitors to GE V7768-320000 350-9301007768-320000 A0 include Curtiss-Wright VPX6-185, Kontron VMP5, and Artesyn MVME6100. Comparative analysis:

GE V7768-320000 350-9301007768-320000 A0 maintains distinct advantages in GE turbine control applications. While other PowerPC VME boards are mechanically compatible, only the V7768 series is fully validated with GE’s Mark VI/Mark VIe I/O network and real-time operating system. Attempting to substitute alternative boards requires extensive requalification and may void OEM warranties.

Selection Recommendations & Precautions

1. Model Verification: GE V7768-320000 350-9301007768-320000 A0 includes specific processor speed, memory configuration, and environmental rating. Verify that the complete part number matches your application requirements. The “A0” suffix indicates the current production revision with enhanced ECC memory support.

2. Cooling Configuration: GE V7768-320000 350-9301007768-320000 A0 is available in air-cooled (0°C to +55°C) and conduction-cooled (-40°C to +71°C) variants. Select the appropriate variant for your installation environment. Conduction-cooled modules require mating chassis cold plates and cannot be intermixed with air-cooled modules in the same system.

3. Firmware Compatibility: For Mark VI/Mark VIe applications, verify that the board’s firmware version is compatible with your specific ToolboxST release and turbine control application. Field firmware upgrades are available through GE service.

4. Memory Configuration: Standard configuration includes 512 MB SDRAM. For applications requiring larger memory (vibration analysis with extended recording), specify 1 GB configuration. Memory is soldered and not field-upgradable.

5. PMC/XMC Site: The board includes one expansion site for additional I/O capabilities. For turbine applications, this is typically populated with a high-speed analog input module for vibration signal acquisition.

6. Spare Parts Strategy: Given the critical nature of turbine protection and extended system lifecycles, maintain minimum one spare GE V7768-320000 350-9301007768-320000 A0 per two installed units. For nuclear applications, N+2 sparing is recommended.

When sourcing GE V7768-320000 350-9301007768-320000 A0 for GE turbine control applications, procurement exclusively through GE’s embedded systems channel or authorized Abaco Systems distribution is strongly recommended. The module remains in active production with full factory support and long-term supply commitment. Units from surplus brokers may be older processor revisions, may lack current firmware, or may have undocumented repair history. For nuclear safety-related applications, only new, factory-sealed modules with complete MIL-STD-883 screening and full traceability documentation should be accepted. GE/Abaco offers a lifetime repair program ensuring continued support for the V7768 series through at least 2035—a critical consideration for applications requiring 20+ year operational life.

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