GE PACSystems RX3i IC695CRU320CA CPU Module

Name: GE PACSystems RX3i IC695CRU320CA CPU Module
Brand: GE Vernova

Model: IC695CRU320CA

Brand GE Vernova

Series PACSystems RX3i

Model IC695CRU320CA

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Technical Dossier

Product Details And Specifications

GE PACSystems RX3i Series Technical Notes

The Evolution of PACSystems RX3i Architecture

GE introduced the PACSystems RX3i platform in the early 2000s as a successor to the Series 90-30 and Series 90-70 PLC families. The RX3i retained backward compatibility with 90-30 I/O modules via the IC694 adapter interface, enabling phased migration without full system replacement. Early CPU generations (IC695CPU310, IC695CPU315) operated on a 300 MHz processor core with 10 MB user memory. Subsequent revisions introduced the IC695CPU320 and IC695CRU320 lines, expanding memory to 64 MB and adding integrated Ethernet ports. The IC695CRU320CA represents the redundancy-capable variant of the CPU320 generation, supporting synchronized primary/secondary switchover with sub-100ms failover. Later platform evolution introduced the IC695CPE302, IC695CPE305, and IC695CPE330 CPU Expansion modules, which added multi-core processing and IEC 61131-3 structured text optimization. As of 2024, GE Vernova (formerly GE Digital / Emerson GE Automation) has transitioned active development to the PACSystems RX3i CPE400 and CPL410 Linux-based controllers, positioning the CRU320 generation in a sustained-support lifecycle phase. Facilities running IC695CRU320CA units should plan for long-term spare parts management rather than platform migration in the near term.

PACSystems RX3i Full Catalog & Functionalities (SKU List)

CPU & Redundancy Modules

IC695CRU320CA: CPU Redundancy Unit, 64 MB user memory, hot-standby switchover, dual Ethernet ports
IC695CPU320: Standard CPU, 64 MB user memory, single Ethernet, non-redundant configuration
IC695CPU315: Mid-range CPU, 10 MB user memory, single Ethernet, legacy rack compatible
IC695CPU310: Entry CPU, 10 MB user memory, serial port only, Series 90-30 migration target
IC695CPE302: CPU Expansion, dual-core, 64 MB, enhanced motion and process control
IC695CPE305: CPU Expansion, quad-core, 128 MB, high-speed data logging
IC695CPE330: CPU Expansion, Linux-based, 512 MB, IIoT-ready with OPC UA native

Analog & Digital I/O Modules

IC695ALG600: 8-channel analog input, 4–20 mA / 0–10 V, 16-bit resolution
IC695ALG616: 16-channel analog input, configurable range, HART pass-through capable
IC695ALG704: 8-channel analog output, 4–20 mA, 16-bit DAC, loop-powered
IC695MDL664: 32-channel discrete input, 24 VDC, sink/source configurable
IC695MDL754: 32-channel discrete output, 24 VDC, 0.5 A per point, short-circuit protected
IC695MDL940: 16-channel relay output, 2 A per contact, AC/DC mixed load

Communication & Network Adapter Modules

IC695ETM001: Ethernet interface module, 10/100 Mbps, SRTP / Modbus TCP / EGD protocols
IC695PBM300: PROFIBUS DP master, up to 125 slave nodes, 12 Mbps
IC695CMM002: Serial communications module, 2-port RS-232/RS-485, DNP3 / Modbus RTU
IC695RMX128: Redundancy memory exchange module, fiber-optic sync link for CRU320 pairs

Power Supply Modules

IC695PSA040: 40 W AC power supply, 120/240 VAC input, backplane regulated output
IC695PSD040: 40 W DC power supply, 24 VDC input, for field-powered installations

Quality Control for the PACSystems RX3i Range

RX3i modules present specific test challenges due to their high-speed backplane bus (RX3i Universal Backplane operates at 90 MB/s) and the synchronization protocol used by redundant CPU pairs. DriveKNMS applies the following verification procedures to all IC695-series modules prior to dispatch:

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