6U VME Reflective Memory (RFM) Node Card – 5565 RFM Series Compatible

The product is a 6U VMEbus Reflective Memory (RFM) node module, functionally compatible with the 5565 RFM Series VME cards. It is designed for deterministic, low-latency, real-time data sharing in distributed control, simulation, and high-availability industrial systems.

Core Functions

Real-time fiber optic reflective memory data sharing

Deterministic node synchronization across distributed systems

Hardware-based memory mapping and automatic data replication

Interrupt synchronization between nodes

Redundant transmission support for high availability

ECC (Error Correcting Code) data protection to ensure data integrity

Bus and Interfaces

6U VMEbus, P1/P2 connectors

Fiber optic interface:

Multimode or single-mode fiber

Optical connector options: SC / ST

Onboard Memory

128 MB SDRAM (standard configuration)

Supports ECC verification and correction

Fiber Optic Performance

Line rate: 2.125 Gbps

Sustained data throughput:

Non-redundant mode: up to 170 MB/s (64-byte burst)

Redundant mode: up to 87 MB/s

Transmission distance:

Multimode fiber: up to 300 m

Single-mode fiber: up to 10 km

Network Topology and Scalability

Supports up to 256 nodes per network

Supported topologies:

Ring topology

Star topology (requires ACC-5595 hub)

Compatible with redundant ring network architectures for fault tolerance

Latency and CPU Load

Typical transmission delay: ~0.4 μs

CPU-transparent data transfer:

Hardware-level automatic broadcast

No processor intervention required, minimizing CPU load

Power Supply and Consumption

Power rails: +5 V / +12 V / –12 V DC

Typical power consumption: ~5 W

Environmental Specifications

Operating temperature: 0 °C to +55 °C

Relative humidity: 5% to 95%, non-condensing

Mechanical Specifications

Form factor: 6U VME standard size

Weight: approximately 0.5 kg

GE VMIVME-5565-110000｜Bus Reflective Memory Node Card｜