Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | GE Fanuc / GE Intelligent Platforms |
| Model Number | IC698CMX016 |
| Alternate Part Numbers | VMIVME-5567-000, 350-005567-000 |
| Product Type | Control Memory Exchange Module |
| Product Series | PACSystems RX7i |
| Memory Capacity | 16MB SDRAM Reflective Memory with Parity |
| Communication Technology | Reflective Memory Fiber Optic Network |
| Fiber Interface | Dual LC Multimode Fiber Ports (TX/RX) |
| Transmission Speed | 2.12 Gbaud |
| Fiber Distance | Up to 300 m (984 ft) multimode fiber |
| Data Transfer Rate | 43 MB/s to 174 MB/s depending on packet size |
| Packet Size | Dynamic 4 to 64 bytes |
| Network Capacity | Up to 256 nodes |
| Power Supply | +5VDC from backplane |
| Current Consumption | Approx. 1.8A |
| Installation | Single RX7i rack slot |
| Configuration Software | Proficy Machine Edition Logic Developer PLC v4.5 or later |
| Operating Temperature | -20°C to +85°C |
Product Introduction
GE Fanuc IC698CMX016 Overview
The GE Fanuc IC698CMX016 VMIVME-5567-000 350-005567-000 is a Control Memory Exchange module designed for PACSystems RX7i controllers. It uses reflective memory technology to distribute deterministic data between PLC systems and compatible devices over a fiber optic network without requiring continuous CPU intervention.
The module is mainly used in systems where synchronized data exchange is critical, such as coordinated motion, simulation platforms, test systems, and distributed control architectures. Its 16MB memory capacity, fiber optic interface, and compatibility with VMIC 5565 family devices make it suitable for maintaining existing high-speed control networks.

IC698CMX016 VMIVME-5567-000 350-005567-000
Application Scenarios & Field Pitfalls (The Engineer’s Perspective)
Engineering Pain Point
A common issue in large automation systems is keeping multiple controllers synchronized without adding excessive communication overhead. A conventional network may introduce unpredictable delays, especially when several PLCs exchange high-priority data simultaneously. Reflective memory solves a specific problem: every node receives updated shared memory data with deterministic timing. When an IC698CMX016 fails, the symptom may look like a PLC communication problem, but the actual fault can be the memory network node, fiber path, or configuration.
Typical Applications
- Power Generation – Turbine control and simulation systems requiring synchronized controller data exchange.
- Automotive Manufacturing – High-speed production lines where multiple PLCs coordinate motion and machine sequences.
- Aerospace Test Systems – Real-time test benches requiring deterministic data distribution between control computers.
- Process Automation – Distributed PLC architectures requiring fast communication between control stations and supervisory systems.
Technical Pitfalls to Avoid
- Verify Firmware and Configuration Compatibility
The IC698CMX016 requires proper RX7i CPU firmware and configuration support. Confirm CPU revision and Proficy Machine Edition version before installation.
- Inspect Fiber Connections Carefully
Fiber optic faults are often mistaken for module failures. Check LC connectors, fiber cleanliness, signal indicators, and optical power levels before replacing hardware.
- Confirm Network Architecture
Reflective memory networks depend on correct node configuration and fiber topology. A replacement module may require address or configuration verification before joining an existing network.
Related Products
- GE Fanuc IC698CPE020
RX7i CPU module used as the primary controller in systems that may include IC698CMX016 communication modules. Handles application execution while the CMX module manages reflective memory exchange. - GE Fanuc IC698CPE030
Higher-performance RX7i CPU option. Used in larger control systems requiring additional processing capacity. - GE Fanuc IC698ETM001
Ethernet interface module for RX7i systems. Provides standard Ethernet communication but does not replace reflective memory functions. - VMIC VMIVME-5565 Series
Reflective memory VME modules compatible with the same communication technology. Commonly used in hybrid VME and PLC architectures. - GE Fanuc IC698PSA350
RX7i power supply module. Provides rack power required for modules including . - GE Fanuc IC698CHS009
RX7i nine-slot chassis used for mounting CPU, communication, and I/O modules. - GE Fanuc IC698ACC701
RX7i rack accessory module used for system expansion and configuration requirements. - GE Fanuc IC698CPE010
RX7i CPU module for smaller PACSystems applications where may be integrated for external data exchange.
