GE PMC-5565

The GE PMC-5565 is a Reflective Memory module based on the PCI Mezzanine Card (PMC) standard. It is designed specifically for industrial automation, real-time control, and high-speed data sharing. Through a fiber optic network, it enables deterministic, low-latency data synchronization among multiple nodes. It is commonly used in systems requiring millisecond or even sub-millisecond real-time performance, such as large-scale electromechanical stations, aviation simulation, and laboratory distributed control systems.

Key Technical Specifications

• Memory Capacity: 128 MByte (multimode) or 256 MByte (singlemode) optional. Corresponding model numbers are PMC-5565PIORC-110000, -111000, -210000, and -211000.
• Transmission Rate: 2.12 Gbit/s
• Fiber Optic Interface: Multimode fiber supports a maximum transmission distance of 300 m; singlemode fiber can reach up to 10 km.
• Number of Nodes: Supports a shared memory network with up to 256 nodes.
• Packet Size: Dynamically adjustable from 4 to 64 Bytes.
• Power Supply: 3.3 V or 5 V, with a power consumption of approximately 3 W.
• Operating Temperature: -40 °C to +85 °C
• Dimensions/Weight: Approximately 50 mm × 30 mm, weighing about 10 g.

Product Features

• High-Speed Deterministic Transmission: The fiber optic network achieves nanosecond-level latency, ensuring real-time performance.
• Zero Processor Overhead: Data replication in the network requires no host CPU intervention, reducing system load.
• Flexible Fiber Optic Selection: Multimode is suitable for short distances (≤300 m), while singlemode is for long distances (≤10 km).
• Modular Design: Compliant with the PMC standard, it can be directly inserted into compatible industrial control chassis for easy system expansion.
• High Reliability: Equipped with error detection and correction functions, and supports interrupt signal transmission, making it suitable for harsh industrial environments.
• Multiple Capacity and Interface Combinations: Offers two capacities (128 M and 256 M) and is compatible with various fiber optic types to meet different application needs.

Structure and Composition

• Fiber Optic Transceiver Module: Responsible for receiving, transmitting, and converting optical signals.
• SDRAM Reflective Memory Chip: Stores shared data and supports 64 MByte or 128 MByte specifications.
• PCI Mezzanine Interface: Provides a 64-bit 66 MHz bus and is compatible with 3.3 V/5 V power supplies.
• Control Logic Chip: Implements functions such as data packaging, error detection, and node management.
• Heat Dissipation and Protective Enclosure: A metal enclosure combined with heat sinks meets the requirements of the industrial temperature range.

Typical Application Fields

• Power Systems: Real-time monitoring and protection systems for power plants and substations.
• Aerospace Simulation: Flight simulators and real-time attitude control networks.
• Large-Scale Laboratories: High-speed data sharing between multiple buildings and laboratories.
• Industrial Automation: Real-time collaboration between PLCs, DCS, and embedded controllers.
• Marine and Offshore Platforms: Distributed control and monitoring systems.

Installation and Maintenance Guidelines

Installation

1. Insert the module into a PMC-standard chassis slot and ensure the card slot is locked securely.
2. Before connecting the fiber optic cable, check the cleanliness of the fiber optic end face and use a suitable multimode or singlemode fiber optic patch cord.
3. After powering on, confirm that the supply voltage matches the module’s rated voltage (3.3 V/5 V).

Configuration

1. Use the accompanying configuration software or command-line tool to set the node ID, fiber optic mode (multimode/singlemode), and memory capacity.
2. Each node in the network must be configured with the same communication parameters to ensure data consistency.

Debugging

1. Use diagnostic tools to check the fiber optic link quality (optical power, bit error rate).
2. Verify data synchronization between nodes using monitoring software to ensure latency is within the nanosecond range.

Daily Maintenance

1. Regularly check if fiber optic connections are loose or damaged; replace fiber optic patch cords if necessary.
2. Clean dust from the module’s heat sinks to maintain good heat dissipation.
3. In case of abnormalities (e.g., data asynchrony, increased error rate), first check the fiber optic link and power supply. If needed, contact GE after-sales service to obtain repair authorization.

Safety Precautions

• Ensure power is disconnected during installation to prevent electrostatic discharge from damaging the chip.
• Avoid direct operation of the module in flammable or high-electromagnetic-interference environments.
• Ensure the chassis is properly grounded to prevent electromagnetic noise from affecting data transmission.

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