The GE Fanuc VMIVME-5565-110000 is a high-performance Reflective Memory interface designed for VMEbus systems. This module allows data to be shared between up to 256 independent systems at extremely high speeds, providing a deterministic and low-latency solution for real-time distributed computing and complex simulation environments.
Technical Specifications & Datasheet
General Parameters
- Manufacturer: GE Fanuc (Abaco Systems / AMETEK)
- Model Number: VMIVME-5565-110000
- Interface Type: VMEbus (6U form factor)
- Memory Capacity: 128 MB SDRAM
- Data Transfer Rate: 170 MB/s (sustainable)
- Network Topology: Ring or Star (via Hub)
- Connection: Fiber optic (Multimode)
Physical Attributes
- Dimensions: 6U VMEbus Standard (approx. 160mm x 233mm)
- Weight: 1.1 lbs (0.50 kg)
- Country of Origin: USA
- Power Requirements: +5VDC at 3.5A (Typical)
Application Fields
The VMIVME-5565 series is the industry standard for systems where microsecond-level synchronization is mandatory:
- Flight Simulation: Connecting cockpit controls, visual engines, and motion bases with zero perceptible lag.
- Power Grid Simulation: Real-time monitoring and hardware-in-the-loop (HIL) testing for utility protection.
- High-Energy Physics: Synchronizing data acquisition across distributed particle accelerators.
- Industrial Turbines: Managing high-speed control loops in multi-engine power generation plants.
Product Usage Instructions
- Fiber Connection: Ensure the fiber optic cables are clean. Connect the “TX” (Transmit) of one node to the “RX” (Receive) of the next node in a ring configuration.
- Addressing: Configure the VMEbus base address using the onboard jumpers or software settings to avoid conflicts with other modules in the rack.
- Initialization: Use the provided drivers to map the 128MB reflective memory into your local CPU’s address space. Data written to this space is automatically replicated across all nodes.
- Interrupt Management: Configure the interrupt registers to notify the local CPU when specific memory locations are updated by a remote node.
- Status Monitoring: Monitor the onboard diagnostic LEDs. A “LINK” LED indicates a solid fiber connection, while “DATA” indicates active network traffic.
Q&A: Common Questions
Q: How many nodes can I have in a single Reflective Memory network? A: You can connect up to 256 nodes. However, for very large networks, using a Reflective Memory Hub is recommended to reduce overall ring latency.
Q: Is the VMIVME-5565-110000 compatible with different operating systems? A: Yes, it is widely supported across VxWorks, Windows, and Linux environments, provided the appropriate VMIVME-5565 drivers are installed.
Q: What happens if one node in the ring loses power? A: In a standard ring configuration, a powered-down node will break the ring. For critical applications, redundant bypass switches or hubs should be used to maintain network integrity.
Industry News & Trends
Reflective Memory technology, represented by the VMIVME-5565 series, continues to be the “gold standard” for deterministic data sharing. Despite the rise of high-speed Ethernet (10GbE/40GbE), Reflective Memory remains superior in applications where jitter and protocol overhead must be eliminated.
Recent industry developments show a trend toward “Hybrid VME-PCIe” environments. Many facilities are now using the VMIVME-5565-110000 in legacy VME racks while bridging the data to modern PC-based servers using PCIe-5565RC cards. This allow engineers to utilize modern processing power while keeping their reliable VME-based I/O and simulation hardware intact. As global demand for high-fidelity digital twins and real-time simulators grows, the market for stable, fiber-optic reflective memory nodes remains exceptionally strong.


