GE IC695RMX128 PACSystems RX3i Redundancy Memory Xchange Module with 128 MB Reflective Memory for High-Availability Control
GE IC695RMX128 PACSystems RX3i Redundancy Memory Xchange Module with 128 MB Reflective Memory for High-Availability Control
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Brand:GE Fanuc PLC Item No.:GE IC695RMX128 Product Origin:USA Product Dimensions:145×34×140 mm Product Weight:0.85 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The GE IC695RMX128 Redundancy Memory Xchange Module is a high-availability data exchange component engineered for PACSystems RX3i automation platforms. This rugged module provides 128 MB of reflective memory over a high-speed fiber-optic network, enabling deterministic data sharing between multiple PLCs or between primary and backup CPUs in redundant systems. Its design supports both reflective memory network topologies and dedicated redundancy links, boosting system reliability and minimizing downtime in mission-critical applications.
Technical Specifications
Specification
Details
Module Type
Redundancy Memory Xchange Module
Compatible Platform
GE PACSystems RX3i
User Memory
128 MB SDRAM
Communication
Single-mode fiber-optic, LC connector
Transmission Speed
Up to 2.12 Gbaud (high-speed optical link)
Network Mode
Reflective memory network or CPU redundancy link
Max Network Nodes
Up to 256 nodes in reflective mode
Packet Handling
Dynamically controlled packet size
Hot-Swap Support
Yes (allows replacement without shutdown)
Power Consumption
~580 mA @ 3.3 VDC; ~220 mA @ 5 VDC
Mounting
Standard RX3i universal backplane
Operating Temperature
0°C to +60°C
Storage Temperature
−40°C to +85°C
Isolation
Backplane isolation per PACSystems design
Dimensions (L×W×H)
145×34×140 mm
Weight
Approx. 0.85 kg
The RMX128 enables fast, deterministic synchronization of data without imposing significant load on the PLC CPU, making it ideal for real-time control and distributed automation.
Recommended Related Models
GE IC695CMX128 – Reflective Memory Module (standard memory exchange)
GE IC695CRU320 – Redundant CPU Controller Module
GE IC695PWR330 – Power Supply Module
GE IC695CHS398 – 18-Slot Universal Backplane Chassis
GE IC695ETM001 – Ethernet Communication Module
Popular GE PACSystems Modules
GE IC695ALG600 – Universal Analog Input Module
GE IC695ALG616 – 16-Channel Analog Input Module
GE IC695MDL753 – 32-Point Discrete Output Module
GE IC695DNM200 – DeviceNet Master Module
GE IC695CMM002 – Multi-Protocol Serial Module
Applications
The IC695RMX128 is engineered for industrial systems where continuous operation and real-time data consistency are essential:
Redundant PLC systems requiring seamless failover and synchronization
High-availability process control in energy, water, or power generation
Distributed control systems with multiple PLC network nodes
Manufacturing automation with remote nodes sharing critical status data
Complex installations needing fail-safe data exchange across nodes
Its reflective memory capability ensures that any new data written at one node is automatically propagated to all connected nodes, preserving consistency across the network.
Advantages
High-speed reflective memory link — fast, deterministic data synchronization.
128 MB shared memory — supports substantial data exchange across nodes.
Dual-mode operation — reflective network mode or dedicated redundancy link.
Fiber-optic communication — robust and low-noise data transmission.
Hot-swap capability — module can be replaced without interrupting system operation.
Scalable network support — up to 256 nodes on reflective networks.
By offloading memory synchronization to dedicated hardware, the IC695RMX128 reduces CPU overhead and improves overall system resilience.
Technical FAQs
1. What is the primary function of the IC695RMX128?
It provides high-speed reflective memory and redundancy link capabilities for PACSystems RX3i systems.
2. How much memory does this module offer?
It includes 128 MB of SDRAM shared memory.
3. What communication medium does it use?
It uses single-mode fiber-optic communication with LC connectors.
4. Can this module be hot-swapped?
Yes — hot-insert and removal are supported.
5. How many nodes does it support in reflective memory mode?
Up to 256 nodes.
6. Is it compatible with CPU redundancy systems?
Yes — it can act as a dedicated link between primary and backup CPUs.
7. What data rate does the fiber network support?
Up to 2.12 Gbaud optic link speed.
8. What are typical applications for this module?
Redundant PLC control, reflective memory networks, and distributed automation systems.
9. What backplane does it fit?
It installs in a PACSystems RX3i universal backplane slot.
10. What is the operating temperature range?
Rated for 0°C to +60°C industrial environments.
