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IC698CMX016 PACSystems RX7i Control Memory Xchange 16MB Memory IC698C IC698CM IC698CMX PDFsupply als

SKU 2173264  UPC 0339764907615


MSRP $6950

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Other Available Revisions for the IC698CMX016 IC698CMX016-AAIC698CMX016-BAIC698CMX016-CBIC698CMX016-DCIC698CMX016-ED

Common misspellings:
  • 1C698CMX016
  • IC69bCMX016
  • IC698CMXo16
  • IC698CMX0l6
  • IC698CMX016

Technical Specifications for IC698CMX016

ManufacturerGE Fanuc
SeriesRX7i PACSystems
Part NumberIC698CMX016
Product TypeReflective Memory Module
Module TypeRedundancy Module
ApplicationsReflective networks, hot standby CPU redundancy systems
Reflective Memory128 MB
Transfer Rate2.1 GB/s
Optic Network Speed2.12 Gbaud
InstallationRX7i PACSystems rack

Product Description

The IC698CMX016 is a Control Memory Xchange module from the GE Fanuc RX7i Series. IC698CMX016 is a communication module used for the PACSystems RX7i programmable controllers. The PACSystems RX7i Controller functions to port applications from one hardware environment to another. The communication modules that are easily installed in these modules accessorise the distribution of input-output and control. An array of configurations and protocols are supported by these communication modules. One such module is the IC698CMX016 that is a Control Memory Xchange Module. 

The IC698CMX016 facilitates the transfer of information between devices and PLCs. This transmission is carried out on a network of 2.12 gigabaud fibre optic wires. This network can host 256 nodes that are all congruous with 5565 devices. The network uses a reflective memory technology. These nodes are connected to one another forming a daisy loop pattern so that the receiver of each node is connected to the transmitter. This connectivity ensures that any change in status communicated to one node is relayed without delay to all the other nodes.

This control memory Xchange module has an effective data rate of 2.12 gigabaud in addition to 16 megabytes of reflective memory to store and process data. The IC698CMX016 has data a transfer rate that varies from 6.2 megabytes per second to 3.2 megabytes per second, depending on the density of redundant information. The module's access time varies between 400 nanoseconds and 200 nanoseconds. The IC698CMX016 is installed using a 62.5-micron core LC type connector. The IC698CMX016 hosts 5-volt buses that require a minimum current of 1.2 amperes to function.

The IC698CMX016 Module is a reflective memory module that comes from the RX7i PACSystems by GE Fanuc Automation. This module provides a high communications exchange rate between CPUs and different devices attached to the RX7i PLC system. This module is easy to install and easy to configure according to the standards and requirements of the RX7i PACSystems series. It can be installed in one of the RX7i PLC racks and it does not require the use of any additional protocols to operate. The effective data rate used by the GE Fanuc Automation IC698CMX016 Reflective Memory Module is 2.12 Gigabauds and it does not provide electrical isolation between its connections. The reflective memory capacity available goes up to 16 Megabytes and the maximum supported distance between nodes is up to 300 meters.

The GE Fanuc Automation IC698CMX016 Reflective Memory Module has an access time of 400 ns in the worst-case scenario and an access time of 200 ns at best. It has a transfer rate of 6.2 Megabytes per second without the use of redundant transfers and a rate of 3.2 Megabytes per second with the redundant transfers. The GE Fanuc Automation IC698CMX016 Reflective Memory Module is used with LC-type connectors and fiber-optic multimode cables (up to 1000 meters long). This module operates with a current of 1.2 Amps that is drawn from a 5 Volts Bus. The software used with this module is the Proficy Machine Edition Logic Developer software in version 4.5 or later. The module comes with 256 nodes per network and it can perform redundant transfer mode operations, which reduce the chance of data being dropped or lost from the network.

Technical Information


Physical size

PCB: 6.299” W x 9.187” H

Packet size

Dynamic, automatically controlled by Memory Xchange module

User memory


Operating voltage

+5VDC (from power supply)

Current requirements



â–         Fiber optic LC type, conforms to IEC 61754-20

â–         Zirconium ceramic ferrule

â–         Insertion loss: 0.35 dB (maximum)

â–         Return loss: -30dB

â–         Temperature Range: -20°C to +85°C


Troubleshooting IC698CMX016

Troubleshooting information is available on IC698CMX016's website page; it also includes a datasheet user-manual and a wiring diagram.

Repair your IC698CMX016

PDF Supply can repair your IC698CMX016 in 3-5 business days. And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.



Customer Questions and Answers

  • Question:  What is an IC698CMX016?  Answer:  The IC698CMX016 is a Control Memory Xchange module from the GE Fanuc RX7i Series. 
  • Question:  What does IC698CMX016 provide?  Answer:  This module operates as a node on a reflective memory network or as a dedicated link between CPUs in an RX7i system. 
  • Question:  What is reflective memory technology/a reflective memory network?  Answer:  A reflective memory network can contain up to 256 nodes. Each node can be any reflective memory device that is compatible with the 5565 family. So, when data is written to 1 node, all nodes on the network are automatically updated with the new data. 
  • Question:  How are the nodes in a reflective memory network connected?  Answer:  Each node is connected in a daisy-chained loop using fiber optic cables. The transmitter of the first node is tied to the receiver of the second. The transmitter of the second node is tied to the receiver of the third, and so on, until the loop is completed back at the receiver of the first node. 
  • Question:  When used as a node, what does the IC698CMX016 do?  Answer:  When used as a node on a reflective memory network, the RMX module provides deterministic sharing of data among PLCs and other computing devices on a high-speed fiber optic network. 
  • Question:  How many Memory Xchange modules does an RX7i rack support?  Answer:  A PACSystem RX7i main rack supports a maximum of 4 Memory Xchange modules.
  • Question:  What should I do if my IC698CMX016 is not working properly?  Answer:  Your IC698CMX016 may need repair.

For more information on the IC698CMX016 Control Memory Xchange Module of the GE Fanuc RX7i Series, please see the Datasheet User-Manual.


Part Number

Hardware Version

Firmware Version














(Initial Release)



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