Description
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Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | GE Fanuc / GE Intelligent Platforms |
| Model | IC698CMX016-ED |
| Product Type | Control Memory Xchange Module |
| Controller Platform | PACSystems RX7i |
| Memory Type | Reflective memory with parity |
| Memory Capacity | 16 MB |
| Network Technology | Reflective memory over fiber optics |
| Optical Data Rate | 2.12 Gbaud |
| Fiber Connector | LC type, separate TX and RX ports |
| Maximum Network Nodes | 256 |
| Backplane Power Supply | +5 VDC |
| Maximum Backplane Current | 1.8 A |
| Form Factor | Single-slot module |
| Configuration Software | Proficy Machine Edition, Logic Developer-PLC version 4.5 or later |
| CPU Compatibility | RX7i CPU firmware version 2.0 or later |
Specifications are based on the GE Fanuc PACSystems RX7i Memory Xchange Modules manual.
Product Introduction (Anti-Template)
Operating as the data-sharing interface for the PACSystems RX7i platform, the GE Fanuc IC698CMX016-ED uses reflective-memory technology to distribute data among compatible PLCs and computing devices over a high-speed fiber-optic network. Its 16 MB memory with parity supports deterministic data exchange, while the network can accommodate up to 256 compatible nodes. Data written to one node is automatically propagated to other nodes on the network.
This module is intended for applications that require predictable data updates across distributed control or computing equipment. Before ordering a replacement, verify the RX7i CPU firmware, module revision, network configuration, and compatibility with the existing reflective-memory devices. The CMX module is not interchangeable with the RX7i Redundancy Memory Xchange (RMX) module for dedicated CPU redundancy-link applications.
IC698CMX016-ED
IC698CMX016-ED
IC698CMX016-ED
IC698CMX016-ED
QC, Procurement & Logistics SOP
- Inbound Verification: Check the IC698CMX016-ED nameplate, revision markings, connector condition, and housing for damage. Confirm that the supplied unit matches the requested hardware and firmware revision.
- Live Rig Testing: Confirm the available test scope before purchase. Where compatible RX7i equipment is available, verify power-up status, configuration indicators, optical signal detection, and network communication.
- QA & Anti-Static Packaging: Inspect the optical connectors and board condition. Package the module in ESD-protective material, with suitable protection for the fiber-optic interface.
- Global Logistics & Export Compliance: Confirm destination, shipping method, commercial documents, and applicable customs classification. Air and sea freight options can be arranged according to the order requirements.
Technical Pitfalls & Integration Warnings
- Firmware Revision Mismatch: The RX7i Memory Xchange module requires a compatible RX7i CPU firmware release. The documented minimum is version 2.0, and configuration software version 4.5 or later is specified. A mismatch between the installed system and engineering environment can prevent correct configuration.
- DIP Switch / Configuration Errors: The module’s node parameters are software-configured; the manual specifies no jumper or switch settings for the CMX module. Confirm the Node ID, network memory offset, and redundant-transfer settings in the project. Duplicate node IDs or incorrect offsets can disrupt expected data sharing.
- Fiber and Connector Incompatibility: Check the existing network’s fiber type, cable length, and LC connector arrangement before installation. The documented CMX module supports multimode fiber, with a stated maximum distance of 30.48 m (100 ft). Incorrect TX/RX routing or incompatible fiber can prevent the network ring from operating.
- ESD and Live Replacement Risks: Electrostatic discharge can damage the circuit board. GE Fanuc also warns against inserting or removing the module while rack power is applied, as this can stop the CPU, damage equipment, or cause personal injury. Isolate power and follow the site’s approved maintenance procedure.
Frequently Asked Questions (FAQ)
Q1: What does the IC698CMX016-ED do?
It provides reflective-memory data exchange between compatible PLCs and computing devices on a fiber-optic network. It is a communication and memory-sharing module, not a conventional analog or digital I/O module.
Q2: How many devices can be connected to the network?
The documented reflective-memory network supports up to 256 nodes, including compatible CMX/RMX modules and other devices from the VMIC 5565 family.
Q3: Is the IC698CMX016-ED compatible with all RX7i CPUs?
Compatibility must be checked against the installed CPU and firmware. GE Fanuc specifies RX7i CPU firmware version 2.0 or later and Proficy Machine Edition Logic Developer-PLC version 4.5 or later for the documented configuration.
Q4: Can this module replace an IC698RMX016?
Not automatically. The IC698CMX016 is a general-purpose Control Memory Xchange module. The IC698RMX016 supports dedicated CPU redundancy-link operation in compatible redundant RX7i systems. Confirm the intended function before selecting a replacement.
Q5: Can the module be hot-swapped while the rack is running?
Do not assume hot-swap support. The manufacturer manual explicitly instructs users not to insert or remove Memory Xchange modules with power applied. Follow the approved shutdown and isolation procedure.
Q6: What is the typical international delivery lead time?
Lead time depends on stock status, the requested revision, condition, and destination. Confirm availability and dispatch timing before issuing the purchase order.
Q7: Can you arrange international shipping and export documents?
Shipping options and applicable commercial documents can be discussed based on the destination. Confirm freight charges, delivery estimates, and documentation requirements before dispatch.
