GE IC695ACC302-AB Ruggedized Battery Backup Module

Product Overview

GE IC695ACC302-AB Ruggedized Battery Backup Module: Industrial Resilience for Harsh Environments

The GE IC695ACC302-AB is a purpose-engineered battery backup module designed for the GE PACSystems RX3i programmable logic controller platform. Built to sustain critical memory retention and real-time clock functions during power interruptions, this module is an indispensable component in continuous production lines, heavy industrial facilities, and safety-critical automation architectures where unplanned downtime carries severe operational and financial consequences.

Engineered to GE’s stringent industrial-grade standards, the IC695ACC302-AB delivers consistent, dependable backup power across a wide range of demanding site conditions — including high ambient temperatures, elevated humidity, airborne particulate contamination, mechanical vibration, and electromagnetic interference (EMI) common to oil and gas platforms, mining operations, steel mills, and water treatment plants. Its ruggedized construction ensures that the PACSystems RX3i CPU retains program data, configuration parameters, and system variables even during extended mains power failures, protecting years of engineering investment and preventing costly re-commissioning.

Rugged Specifications Table

Comprehensive Protection Solutions

The IC695ACC302-AB does not operate in isolation — it is a critical node within a broader, layered protection architecture. In a fully configured PACSystems RX3i control cabinet, this battery backup module works in concert with the IC695PSA040 or IC695PSD040 power supply modules to ensure that both primary power delivery and backup retention are maintained under fault conditions. The RX3i backplane — typically the IC695CHS016 or IC695CHS012 — provides the structural and electrical foundation that ties these components together.

On the I/O side, discrete and analog modules such as the IC695MDL664 digital output module and IC695ALG600 analog input module depend on the CPU’s uninterrupted operation to maintain accurate field signal processing. A power interruption without proper battery backup can corrupt I/O configuration tables and force a full system restart — an unacceptable outcome in continuous process environments. The IC695ACC302-AB eliminates this risk by keeping the CPU’s SRAM and clock circuits energized throughout the outage.

For facilities running distributed control architectures, the IC695ACC302-AB also protects the communication configuration stored in modules such as the IC695ETM001 Ethernet interface module and IC695PBM300 PROFIBUS master module. Losing these configurations mid-process can sever communication between the PLC and field devices — including variable frequency drives (VFDs), smart transmitters, and remote I/O stations — triggering cascading faults across the production line.

In safety-instrumented system (SIS) environments, where the RX3i platform may interface with dedicated safety modules or relay output modules such as the IC695MDL940, maintaining CPU integrity during power transients is a fundamental requirement of IEC 61511 functional safety compliance. The IC695ACC302-AB directly supports this requirement by ensuring that safety logic and trip parameters are never lost due to power anomalies.

Terminal block assemblies, marshalling panels, and control cabinet wiring infrastructure all benefit indirectly from the stability this module provides — because a CPU that retains its program state on power restoration eliminates the need for manual re-initialization, reducing both maintenance labor and the risk of human error during restart procedures.

Application in Critical Infrastructure

In oil and gas upstream and midstream operations, PACSystems RX3i controllers equipped with the IC695ACC302-AB manage wellhead automation, pipeline SCADA nodes, and compressor station control. These sites frequently experience voltage sags, generator switchovers, and UPS transitions — all scenarios where battery-backed CPU memory retention is non-negotiable. The module ensures that the controller resumes normal operation immediately upon power restoration, without operator intervention.

In underground and open-pit mining, where vibration, dust ingress, and electrical noise from heavy machinery are constant challenges, the IC695ACC302-AB’s robust construction maintains reliable backup function even in the harshest rack environments. Conveyor control systems, crusher automation, and ventilation management PLCs all benefit from the assurance that a power event will not result in a cold-start condition.

In power generation and grid substations, where the RX3i platform may control turbine auxiliaries, switchgear sequencing, or transformer protection logic, the IC695ACC302-AB provides the last line of defense against data loss during planned and unplanned outages. Utilities operating under NERC CIP or IEC 62351 cybersecurity and reliability frameworks recognize the operational value of components that eliminate single points of failure in control system power architecture.

In water and wastewater treatment facilities, continuous process control — including dosing pump sequencing, filtration stage management, and effluent monitoring — requires that PLC programs remain intact across power interruptions. Municipal operators rely on the IC695ACC302-AB to ensure that treatment processes resume automatically and safely, without requiring manual program reload from engineering workstations.

In metallurgical and steel production environments, where furnace control, rolling mill automation, and ladle tracking systems operate around the clock, any unplanned CPU restart introduces quality risk and potential equipment damage. The IC695ACC302-AB is a standard spare part recommendation for any RX3i-based control system in these facilities.

Security & Quality FAQ

Q1: What does the 12-month warranty cover for the IC695ACC302-AB?
The 12-month warranty covers all manufacturing defects and functional failures under normal operating conditions from the date of shipment. If the module fails to perform its battery backup function within the warranty period due to a product defect, TOPNLMS will provide a replacement or full refund. The warranty does not cover damage resulting from incorrect installation, overvoltage events beyond rated tolerance, or physical mishandling.

Q2: How is each IC695ACC302-AB tested before shipment?
Every unit undergoes a multi-point pre-shipment inspection that includes visual examination for physical integrity, functional verification of battery charge retention, and compatibility confirmation against the PACSystems RX3i platform specification. Units that do not meet GE’s original performance benchmarks are quarantined and not offered for sale. A test report is available upon request for critical infrastructure procurement.

Q3: Is the IC695ACC302-AB compatible with all PACSystems RX3i CPU variants?
The IC695ACC302-AB is designed for use with the PACSystems RX3i CPU family, including the IC695CPE302, IC695CPE305, IC695CPE310, IC695CPE330, and IC695CPE400 series processors. Compatibility with specific firmware revisions should be confirmed against GE’s PACSystems RX3i Hardware Reference Manual (GFK-2314). TOPNLMS technical support can assist with compatibility verification prior to purchase.

Q4: Can TOPNLMS support long-term and repeat supply of the IC695ACC302-AB?
Yes. TOPNLMS maintains dedicated inventory of GE PACSystems RX3i spare parts, including the IC695ACC302-AB, to support both emergency replacement and planned maintenance programs. We offer volume pricing for MRO (maintenance, repair, and operations) procurement contracts and can provide lead-time commitments for scheduled shutdowns and turnaround projects. Contact our team to discuss long-term supply agreements.