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GE IC695RMX128 Redundancy Memory Module

The IC695RMX128 is an essential infrastructure component for high-availability automation architectures that require zero down-time tolerance. It establishes a dedicated, high-speed fiber-optic bridge between dual-redundant PACSystems RX3i controller racks. By maintaining deterministic, real-time synchronization of the internal CPU memory registers, it ensures the standby processor is continually updated with active loop parameters, timer values, and physical input states.

The hardware features an onboard 128 MB shared-memory architecture that completely bypasses normal backplane communication latencies. The module uses standard LC-type fiber optic connectors, allowing long-distance isolation between redundant racks to safeguard against localized physical hazards like fire or power surges. If the active CPU encounters a hardware trap or connection loss, the backup rack takes control over the I/O network seamlessly, without disrupting downstream processes or field actuators.

• Deterministic Synchronization: Operates at a blistering 2.125 Gbps transfer rate over fiber, assuring that huge process variable tables are updated instantly between CPU units.

• Bumpless Bumpless Switchover: Integrates natively with RX3i Redundant CPU programming, supporting seamless control transitions during primary chassis power cuts or processor errors.

• Optical Isolation Barriers: Fiber-optic linking ensures total electrical isolation between control racks, suppressing dangerous common-mode voltage surges or electromagnetic noise interference (EMI).

• Simplified Configuration Architecture: Fully managed within Proficy Machine Edition software, eliminating the need for complex, manual synchronization code blocks.

The critical fail-safe capabilities of the IC695RMX128 make it standard equipment across mission-critical sectors including:

• Continuous Chemical Processing: Preventing unplanned shutdowns in exothermic reaction chambers and hazardous chemical dosing lines.

• Oil and Gas Pipelines: Coordinating remote pump station interlocks, compressor control loops, and main safety shutdown (ESD) monitoring nodes.

• Municipal Water Distribution: Keeping large-scale water treatment filtration plants, high-pressure pumps, and telemetry logging clusters online continuously.

• Power Grid Generation: Managing turbine control synchronization and high-voltage substation switching loops where process dropping is not an option.

1. Can you use standard fiber cables with the IC695RMX128 module?

Yes, the IC695RMX128 utilizes standard multi-mode fiber optic cabling featuring LC-type terminations. For optimal performance over distances up to 300 meters, high-quality 50/125 micrometer multi-mode optical fiber is highly recommended.

2. How many RMX modules are needed to build a complete redundant RX3i configuration?

A complete hot-standby system setup requires exactly two IC695RMX128 modules—one installed in the primary controller chassis and the other located within the secondary/backup controller chassis, linked directly via fiber cables.

3. What do the front-panel status LED lights display during system setup?

The module provides three distinct LED indicators: OK reflects the internal health and backplane communication state; Link indicates a successful optical handshake with the remote rack; and Active confirms if the module is actively transferring process synchronization packets.

Do you provide global shipping services?

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

2. What payment methods and currencies do you accept?

To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.

How many parts do you currently have in stock?

We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.

Who can I contact if I encounter any problems?

Our experienced customer service team will handle any issues after you place your order.