GE IC698CMX016-ED

The GE IC698CMX016-ED is a Control Memory Xchange (CMX) module belonging to the GE Fanuc (now Emerson Automation) PACSystems RX7i series. Specifically designed for industrial automation systems, it enables high-speed transmission and sharing of deterministic data between different PLCs. Its core function lies in achieving real-time data synchronization among multiple nodes via a fiber optic network, and it finds extensive application in distributed control systems across manufacturing, energy, chemical, and other sectors.

Product Parameters

Basic Parameters

• Model: IC698CMX016-ED
• Series: PACSystems RX7i / Series 90-70
• Storage Capacity: 16 MB reflective memory (SDRAM + flash memory)
• Data Transfer Rate: 6.2 MB/s to 3.2 MB/s (depending on the density of redundant information), with a maximum network transmission rate ranging from 43 MB/s (for 4-byte packets) to 174 MB/s (for 64-byte packets).
• Interface Type: LC fiber optic ports, supporting a transmission speed of 2.12 Gbaud, daisy-chain connection mode, and up to 256 nodes.
• Operating Voltage: +5V DC, maximum current 1.8 A.
• Operating Temperature: 0°C to 60°C (some sources state 0°C to 55°C).
• Dimensions: 105 mm × 45 mm × 25 mm (some sources provide the same dimensions).

Environment and Protection

• Protection Rating: IP67 (not clearly specified in some sources).
• Humidity Range: 5% to 95% non-condensing humidity.

Product Features

High Performance and Reliability

• High-Speed Data Transmission: Enables low-latency data sharing through a fiber optic network, supporting real-time control requirements.
• Redundant Design: Supports redundant transmission modes to ensure data integrity.
• Parity Check Function: Built-in data verification mechanism to reduce transmission errors.

Ease of Use and Expandability

• Hot-Swappable Design: Allows for online installation and replacement, reducing downtime.
• Modular Expansion: Compatible with VMIC 5565 series reflective memory devices, facilitating network expansion.
• Diagnostic Functions: Equipped with status indicators such as OK, CONFIG, OWN DATA, and SIGNAL DETECT for easy troubleshooting.

Energy Efficiency and Safety

• Low Power Consumption: Power consumption is less than 5 W, meeting industrial energy efficiency standards.
• Robust Design: Suitable for harsh industrial environments, resistant to vibration (5 g to 2 kHz) and shock (30 g).

Structure and Composition

Physical Structure

• Shape: Single-slot module with dimensions of 105 mm × 45 mm × 25 mm, adopting DIN rail mounting.
• Ports: Equipped with LC fiber optic ports (TX/RX) supporting multimode fiber transmission.
• Interface: Connected to the RX7i system backplane via the VME bus.

Core Components

• Reflective Memory: 16 MB SDRAM + flash memory for data caching and persistent storage.
• Communication Protocols: Supports dynamic packet sizes (4-64 bytes) and is compatible with protocols such as Modbus TCP/IP and EtherNet/IP.

Application Fields

Industrial Automation

• Manufacturing: Automotive assembly lines, food and beverage production lines, packaging machinery, etc.
• Energy: Power plants, water treatment plants, oil and gas industry.
• Process Control: Chemical plants, pharmaceutical factories, power system monitoring.
• Special Scenarios: Aerospace, national defense, robot motion control.

Typical Uses

• Program migration and backup: Migrating control programs between different PLCs, supporting system upgrades and fault recovery.
• Distributed data acquisition: Achieving data synchronization among multiple nodes, suitable for large-scale industrial networks.
• Real-time monitoring: Optimizing production processes in conjunction with HMI and SCADA systems.

Installation and Maintenance

Installation Method

• Physical Installation: Fixed to the RX7i control cabinet backplane via DIN rail, occupying a single I/O slot.
• Configuration Requirements: Network parameters need to be configured using Machine Edition (ME) Logic Developer software.

Maintenance and Troubleshooting

• Hot-Swappable Operation: Supports online module replacement without downtime.
• Diagnostic Tools: Quickly determine the module status through status indicators (OK, CONFIG, etc.).
• Software Support: Provides remote diagnostic functions, capable of detecting network errors and automatically repairing them.

Notes

• Environmental Requirements: Avoid high-temperature, high-humidity, or strong electromagnetic interference environments.
• Compatibility: Only applicable to the GE Fanuc RX7i system and must match the reflective memory network protocol.

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