GE VME7768-320000 - VMEbus High-Performance Single Board Computer (SBC) for Series 90-70 Systems (320000 Configuration)

GE VME7768-320000 – VMEbus High-Performance Single Board Computer (SBC) for Series 90-70 Systems (320000 Configuration)

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Product Introduction:
The VME7768-320000 is a high-performance Single Board Computer (SBC) module specifically designed for the VMEbus architecture within the GE Fanuc Series 90-70 control system family. The “VME7768” identifies it as a VMEbus module from the 7768 product line, and “320000” specifies the high-performance configuration (fast processor, large memory, extensive I/O). This module serves as the central processing unit for VMEbus-based control racks, executing the control program, managing I/O modules on the VME backplane, and handling all communications. It is the VMEbus equivalent of the standard V7768-320000 module but optimized for the VME backplane environment.

Technical Specifications:
Platform: GE Fanuc Series 90-70 VMEbus SBC
Processor: 100 MHz to 133 MHz PowerPC G3
RAM: 128MB to 512MB SDRAM
Flash Memory: 32MB to 128MB
Ethernet: 10/100Base-T + 100Base-FX (Fiber Optic)
Serial Ports: 4 RS-232/RS-485 + 1 RS-422
User I/O: 128 digital I/O points on the SBC
VMEbus: VME64x with DMA and bus master capability
USB: USB 2.0 port
Watchdog: Dual hardware watchdog timers
Form Factor: 6U VME Eurocard (Single Board Computer)
Operating System: VxWorks real-time operating system

Functional Features:
VMEbus Native: Optimized for VME64x backplane with DMA transfers for high-speed I/O.
High-Speed Processing: 133 MHz processor delivers sub-millisecond scan times.
Fiber Optic Ethernet: Noise-immune, long-distance network connectivity for industrial environments.
Large Memory: 512MB RAM supports complex programs and extensive data logging.
Dual Watchdogs: System and application watchdogs ensure maximum reliability.
Remote Programming: Full programming and debugging via Ethernet or serial from a remote workstation.

Application Scenarios:
VMEbus Control Racks: Serves as the main CPU in VMEbus-based control systems for power plants, refineries, and manufacturing.
High-Speed Process Control: Manages fast process loops like combustion control, turbine governor, and reactor temperature.
Legacy System Upgrades: Replaces older VMEbus CPUs in existing Series 90-70 racks with modern, faster hardware.
Test and Measurement: Used in VMEbus-based automated test equipment for electronics and aerospace.

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