GE Fanuc IC698CMX016 PACSystem RX7i Control Memory Xchange Module

IC698CMX016 PACSystem RX7i Control Memory Xchange Overview

The GE Fanuc IC698CMX016 serves as a high-performance Control Memory Xchange (CMX) module. It enables deterministic data sharing across PACSystem RX7i platforms. This module utilizes reflective memory technology to synchronize data between multiple PLCs. It operates independently of the CPU to ensure zero processing overhead. The IC698CMX016 supports high-speed fiber optic networking. It remains compatible with VMIC 5565 series devices for seamless system integration.

Technical Specifications

• Brand: GE Fanuc (Current support via Emerson Automation)
• Model: IC698CMX016
• Series: PACSystem RX7i
• Module Type: Control Memory Xchange (CMX)
• User Memory: 16 MB SDRAM with parity
• Transmission Speed: 2.12 Gbaud data rate
• Network Transfer Rate: 43 MB/s up to 174 MB/s
• Packet Size: Dynamic 4-byte to 64-byte packets
• Node Capacity: Supports up to 256 nodes per network
• Communication Interface: Multi-mode Fiber Optic via LC connectors
• Operating Voltage: +5VDC from the backplane
• Current Requirement: 1.8 Amps
• Insertion Loss: Maximum 0.35 dB
• Operating Temperature: -20°C to +85°C
• Physical Size: 6.299 x 9.187 inches (Single-slot module)

Installation and Compatibility

• Install the IC698CMX016 into any single slot of an RX7i rack.
• Ensure the RX7i CPU utilizes firmware release 2.00 or higher.
• Use Proficy Machine Edition (PME) Logic Developer version 4.5 or later.
• Connect nodes using a daisy-chain loop via multi-mode fiber optic cables.
• The module integrates perfectly with VMIC 5565 reflective memory hardware.

Diagnostics and Maintenance

• OK LED: Indicates the module passed internal power-up diagnostics.
• CONFIG LED: Signals that hardware configuration matches software settings.
• OWN DATA LED: Illuminates when the module detects its own data packet.
• SIGNAL DETECT LED: Confirms a valid optical signal at the RX port.
• Error Detection: Built-in network error monitoring ensures reliable data integrity.

Typical Application Scenarios

• High-speed deterministic data synchronization between multiple PACSystem RX7i controllers.
• Real-time data sharing in complex distributed control systems (DCS).
• Connecting PLCs to specialized high-speed field devices and simulators.
• Redundant transfer mode operations for mission-critical automation processes.

Global PLC Spare HUB's Insight

The IC698CMX016 is essential for engineers requiring ultra-low latency. It bypasses standard network protocols to provide direct memory-to-memory updates. This module is ideal for large-scale power generation and manufacturing systems. It provides consistent performance without taxing primary controller resources.

Shipping and Warranty

• Warranty: Includes a comprehensive 12-month warranty.
• Shipping Partners: Worldwide express delivery via FedEx, UPS, and DHL.
• Dispatch Time: Orders ship within 24 to 48 hours.
• Packaging List: One GE Fanuc IC698CMX016 module in protective packaging.

Frequently Asked Questions (FAQ)

Does the IC698CMX016 require specific CPU logic to transfer data?

No, this module is CPU independent and handles data synchronization automatically.

What is the maximum distance supported by the fiber optic ports?

The module supports multi-mode fiber media up to 300 meters (984 feet).

How do I troubleshoot a lack of communication between nodes?

Check the SIGNAL DETECT LED to confirm physical fiber connectivity first.

Can I mix this module with different reflective memory brands?

It is specifically designed for compatibility with the VMIC 5565 family.

Selection and Purchasing Guide

• Verify your PACSystem RX7i CPU firmware version before purchasing.
• Confirm your network node count does not exceed the 256-node limit.
• Select high-quality LC fiber optic cables to minimize insertion loss.
• Match the memory size (16MB) with other nodes in your reflective network.

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