The VMIVME-5567 (often cross-referenced as IC698CMX016-ED) is a high-speed Reflective Memory (RFM) interface module. It is engineered to allow multiple independent processors to share a common memory space with extremely low latency. This technology is critical in high-performance computing, real-time control, and simulation systems where data must be synchronized across a network of controllers in near-real time without heavy software overhead.

⚙️ Technical Specifications

• Model Numbers: VMIVME-5567-000 / IC698CMX016-ED

• Function: Reflective Memory Interface (Fiber Optic)

• Architecture: VMEbus / PACSystems RX7i compatible

• Data Rate: 2.12 Gbaud

• Memory Capacity: 256 MB of onboard SDRAM

• Physical Interface: Fiber optic cable (Multimode)

• 🌍 Country of Origin: United States

🛠️ Key Capabilities

• Determinism: Provides deterministic data transfer, ensuring that all nodes in a network receive identical data at the same time, which is essential for complex multi-controller synchronization.

• Network Speed: Operates at fiber-optic speeds, allowing for rapid updates of shared data tables across the reflective memory network.

• System Transparency: Once configured, the memory appears as local RAM to the host processor, meaning no complex communication software or heavy protocol stacks are required for data exchange.

• Interrupt Handling: Includes built-in support for network-wide interrupts, allowing one controller to trigger an event in another controller instantaneously.

📋 Functional Characteristics

• Daisy-Chain Topology: Modules are connected in a ring (daisy-chain) configuration via fiber optic cables. Data written to the memory on one node is automatically and instantly copied to the corresponding memory locations on all other nodes in the ring.

• Error Detection: Features integrated CRC (Cyclic Redundancy Check) and parity checking to ensure the integrity of the data being transmitted across the fiber network.

• Hardware Interoperability: While the VMIVME-5567 is a standard VME card, the IC698CMX016-ED variant is designed to integrate into the GE PACSystems RX7i backplane.

📋 Recommended Modules for High-Speed Synchronization

To maintain a high-performance, synchronized control network, the following related components are often used in similar RX7i or VME environments:

1. IC698CPE040 (High-Performance RX7i CPU)

2. IC698ETM001 (Ethernet Interface Module)

3. VMIVME-5565 (Previous generation Reflective Memory)

4. IC698CHS007 (7-Slot VME Chassis)

5. IC698CHS017 (17-Slot VME Chassis)