GE Automation IC695CRU320CA Redundant CPU Module

Product Details

IC695CRU320CA Product Description

The GE IC695CRU320-CA is a high-availability redundant CPU module engineered for the GE PACSystems RX3i control platform. Designed to serve as the primary or secondary processing unit within a hot-standby redundancy pair, this module ensures uninterrupted process execution across mission-critical industrial environments. Its role within the control architecture extends far beyond standalone computation — it functions as the synchronization backbone of a fully integrated, layered automation system where every module, bus, and signal path must operate in coordinated harmony.

The IC695CRU320-CA achieves its full potential only when deployed within a coherently designed PACSystems RX3i architecture. At the control layer, it operates in tandem with a secondary IC695CRU320-CA unit, maintaining continuous state synchronization over a dedicated redundancy link. The switchover time between primary and secondary CPUs is typically under 10 milliseconds, ensuring process continuity without operator intervention.

Power integrity is foundational to redundancy. The IC695PSA040 AC power supply and IC695PSD040 DC power supply are the recommended power modules for this platform, each providing regulated voltage to the backplane while supporting independent power feeds for true power-layer redundancy. The IC695CHS016 16-slot universal backplane accommodates the CPU pair alongside I/O and communication modules in a single chassis, while the IC695CHS012 12-slot variant suits more compact panel installations.

At the I/O layer, the IC695ALG600 analog input module and IC695MDL654 discrete output module integrate directly into the RX3i backplane, delivering high-density signal acquisition and actuation under CPU supervision. For distributed I/O expansion, the IC695ETM001 Ethernet transmitter module extends the control network to remote RX3i or RX7i racks, maintaining deterministic communication across geographically distributed process areas.

Communication architecture is equally critical. The IC695PBM300 Profibus DP master module enables the IC695CRU320-CA to manage field device networks including variable frequency drives, smart valve positioners, and remote I/O stations. For EtherNet/IP integration with SCADA systems or historian platforms, the CPU's onboard Ethernet port supports SRTP, Modbus TCP, and OPC-UA protocols natively, enabling Contextual Integration across enterprise and field layers without additional gateway hardware.

HMI connectivity is achieved through direct Ethernet coupling to GE QuickPanel+ operator terminals or third-party SCADA workstations. The CPU's tag-based programming model in Proficy Machine Edition simplifies variable mapping and reduces HMI configuration time during commissioning. At the execution layer, the IC695CRU320-CA coordinates output signals to servo drives, soft starters, and motor control centers through the discrete and analog I/O subsystem, ensuring precise timing and sequencing across all actuator channels.

The IC695CRU320-CA is deployed across a wide spectrum of industrial sectors where process continuity and system reliability are non-negotiable requirements.

In power generation and transmission facilities, the module manages turbine control sequences, excitation system interlocks, and grid synchronization logic. Its hot-standby redundancy architecture ensures that a single CPU failure does not interrupt generation output or trigger protective relay actions.

In oil, gas, and petrochemical plants, the IC695CRU320-CA controls compressor sequencing, pipeline pressure regulation, and emergency shutdown system (ESD) logic. The module's deterministic scan cycle and redundancy switchover capability meet the availability requirements of SIL-rated process safety applications when integrated with appropriate safety I/O modules.

In water and wastewater treatment infrastructure, the CPU manages pump station sequencing, chemical dosing control, and SCADA telemetry across distributed lift stations. Its Ethernet communication capability supports remote monitoring and alarm management without requiring dedicated communication processors.

In mining and metallurgical operations, the module controls conveyor drive sequencing, crusher load management, and flotation cell process loops. The wide operating temperature range and robust backplane design ensure reliable performance in environments with high vibration, dust, and thermal cycling.

In packaging and discrete manufacturing lines, the IC695CRU320-CA coordinates multi-axis motion sequences, vision system triggers, and reject gate actuations at high throughput rates. Its fast scan time and deterministic I/O response support tight cycle time requirements without compromising system stability.

Q1: Is the IC695CRU320-CA compatible with existing PACSystems RX3i I/O modules and backplanes already installed in my facility? Yes. The IC695CRU320-CA is fully compatible with all IC695 and IC694 series I/O modules installed in IC695CHS012 and IC695CHS016 universal backplanes. The module supports mixed-rack configurations where legacy IC694 modules coexist with newer IC695 high-density I/O, enabling phased system upgrades without requiring a full rack replacement. Firmware compatibility should be verified against the Proficy Machine Edition project version prior to installation.

Q2: What is the recommended procedure for commissioning a hot-standby redundancy pair using two IC695CRU320-CA modules? Commissioning begins with configuring both CPUs with identical hardware configurations in Proficy Machine Edition, then designating one as primary and one as secondary via the redundancy configuration parameters. The redundancy synchronization link is established through the dedicated IC695RMX128 redundancy memory transmitter modules installed in both chassis. After initial power-up, the primary CPU performs a full memory synchronization to the secondary before entering RUN mode. Switchover testing should be performed under simulated load conditions to verify sub-10ms transfer times and confirm that all I/O modules resume normal operation without requiring a cold restart.

Q3: What does the 12-Month Warranty from NANKMOS cover, and what is the typical lead time for a replacement unit? NANKMOS provides a 12-Month Warranty on all IC695CRU320-CA units covering manufacturing defects, functional failures under normal operating conditions, and firmware-related hardware faults. Each unit undergoes pre-shipment functional testing including CPU boot verification, memory integrity check, Ethernet port communication test, and backplane interface validation before dispatch. In the event of a warranty claim, NANKMOS maintains in-stock inventory of IC695CRU320-CA modules to support rapid replacement with typical lead times of 3–7 business days for international shipments. For urgent production-critical replacements, expedited shipping arrangements are available upon request.