GE Fanuc IC695RMX128 RX3i Redundant Memory Module

The GE Fanuc IC695RMX128 is a redundant memory module designed for PACSystem RX3i hot‑standby PLC systems. It stores mirrored runtime data for primary and standby CPUs, ensures complete state synchronization during redundancy switch‑over, and prevents data loss when master CPU hardware failure occurs.

This rack‑slot module provides 128K memory space for redundant data mirroring, works cooperatively with IC695CRU320 redundancy unit. It supports continuous data backup and fault status diagnosis. It serves as critical aftermarket spare for maintenance, overhaul and retrofitting of power and process‑industry high‑reliability PLC cabinets.

Main Specifications

• Brand: GE Fanuc; Model:IC695RMX128; Type: RX3i Redundant Memory Module
• Applicable System: GE PACSystem RX3i hot‑standby redundant PLC platform
• Memory Size: 128K mirrored redundant memory; Cooperate with: IC695CRU320 redundancy switch module
• Function: Runtime data mirror storage, master‑standby state backup, data consistency guarantee, hardware fault detection
• Feature: Rack slot‑mount installation, high‑speed data mirroring, non‑volatile backup support, industrial anti‑interference hardware
• Installation: Slot‑mount inside RX3i redundant PLC chassis
• Power: Back‑plane powered; Operating Environment:0℃ ~ +60℃, 5%‑95% RH non‑condensing
• Certifications: CE compliant for high‑availability industrial automation applications

Core Functions

• Store real‑time mirrored data of primary CPU, keep logic variables, register values and process data synchronized for standby CPU.
• Provide complete data backup foundation for bumpless switch‑over, avoid system state loss during master‑CPU failure switching.
• Coordinate with IC695CRU320 redundancy module to verify data consistency between master and standby control units.
• Perform self‑diagnosis on internal memory hardware, report memory error alarm to PLC system once abnormality occurs.
• On‑board LED indicators show module running status and fault information for commissioning and daily site troubleshooting.
• Standard slot‑in modular structure facilitates disassembly and replacement during redundant PLC cabinet overhaul work.

Application Scenarios

• Redundant data storage component for GE PACSystem RX3i hot‑standby PLC control systems.
• Critical spare‑part for power‑plant, chemical and water‑treatment high‑availability redundant PLC cabinets.
• Retrofit and spare replacement for legacy IC695RMX128 memory‑module high‑reliability‑system upgrade projects.
• Redundant PLC rack overhaul, redundancy‑system debugging and faulty redundant‑memory‑module replacement tasks.
• Spare‑parts inventory for high‑availability automation integrators and energy‑industry engineering contractors.

• Global aftermarket spare supply for technical teams maintaining GE RX3i redundant automation hardware.