GE PACSystems RX3i PROFINET Controller IC695PNC001-BABA

Technical Dossier

Product Details And Specifications

GE PACSystems RX3i Series: Comprehensive Module Range and Technical Overview

The GE PACSystems RX3i platform is one of the most widely deployed programmable automation controller (PAC) architectures in global heavy industry. Installed across petrochemical refineries, nuclear power generation facilities, offshore platforms, and continuous-process chemical plants, the RX3i backplane-based architecture provides deterministic control with high-availability redundancy options. The IC695PNC001-BABA is a PROFINET IO Controller module within this ecosystem, enabling the RX3i CPU to act as a PROFINET IO controller managing distributed IO devices across an Ethernet network. Its deployment is common in brownfield modernization projects where legacy GE Series 90-30 or Series 90-70 infrastructure is being migrated to Ethernet-based fieldbus without full system replacement.

The Evolution of PACSystems RX3i Architecture

The PACSystems RX3i platform was introduced by GE Fanuc Automation (later GE Intelligent Platforms, now part of Emerson) as a successor to the Series 90-70 rack-based PLC. The RX3i retained backward compatibility with Series 90-70 I/O modules via a universal backplane that supports both the legacy 90-70 bus and the high-speed RX3i PCI backplane simultaneously. Early RX3i CPUs (IC695CPU310, IC695CPU315) operated at lower clock speeds with limited Ethernet capability. Subsequent generations introduced dual-port embedded Ethernet (IC695CPU320), redundancy-capable CPUs (IC695CPE330, IC695CPE400), and eventually the CPE302/CPE305 compact form factor for smaller footprint applications. Communication expansion followed a parallel track: serial modules (IC695CMM002, IC695CMM004) gave way to PROFIBUS (IC695PBM300) and ultimately PROFINET IO controllers (IC695PNC001) as Ethernet-based fieldbus became the industrial standard. The IC695PNC001-BABA revision designation indicates a specific firmware and hardware revision level relevant for compatibility verification with existing RX3i CPU firmware versions. As of 2026, the RX3i platform is in a mature/sustained phase; GE/Emerson continues to provide lifecycle support, but new feature development is concentrated on the CPE400 and RSTi-EP platforms. Long-term maintenance sourcing for IC695 modules is a primary concern for end users with 10–20 year plant lifecycles.

PACSystems RX3i Full Catalog & Functionalities (SKU List)

CPU & Controller Modules

• IC695CPU310: RX3i base CPU, 64MB user memory, single Ethernet port, legacy entry-level controller.
• IC695CPU315: Mid-range RX3i CPU, 64MB memory, enhanced instruction throughput over CPU310.
• IC695CPU320: RX3i CPU with dual embedded Ethernet ports, supports EGD and SRTP protocols.
• IC695CPE302: Compact RX3i CPU, 10MB memory, single Ethernet, reduced rack footprint.
• IC695CPE305: Compact RX3i CPU, 20MB memory, dual Ethernet, USB programming port.
• IC695CPE330: High-performance RX3i CPU, 64MB memory, supports Hot Standby redundancy.
• IC695CPE400: Advanced RX3i CPU, 32MB memory, IEC 61131-3, supports C programming blocks.

PROFINET & Communication Modules

• IC695PNC001-BABA: PROFINET IO Controller, manages up to 128 IO devices, 1Gbps Ethernet, MRP ring support.
• IC695PNC001: Base revision PROFINET IO Controller for RX3i, predecessor to BABA revision.
• IC695CMM002: Serial communications module, 2-port RS-232/RS-485, supports SNP/SNPX/Modbus RTU.
• IC695CMM004: Serial communications module, 4-port RS-232/RS-485, multi-protocol support.
• IC695PBM300: PROFIBUS DP Master module, up to 125 slave devices, 12Mbps.
• IC695ETM001: Ethernet transmitter module, 10/100Mbps, SRTP/EGD/Modbus TCP.

Analog & Digital I/O Modules

• IC695ALG600: 8-channel universal analog input, configurable per channel for V/mA/RTD/TC.
• IC695ALG608: 8-channel analog input, 4–20mA/0–10V, 16-bit resolution.
• IC695ALG616: 16-channel analog input module, high-density process signal acquisition.
• IC695ALG704: 4-channel analog output, 0–20mA/0–10V, 16-bit DAC resolution.
• IC695MDL654: 32-channel 24VDC digital input module, high-density DI for RX3i rack.
• IC695MDL664: 32-channel 24VDC digital output module, 0.5A per point, sourcing type.
• IC695MDL740: 16-channel relay output module, Form C contacts, 2A per point.

Power Supply Modules

• IC695PSA040: 40W AC power supply, 120/240VAC input, for RX3i universal backplane.
• IC695PSD040: 40W DC power supply, 24VDC input, for RX3i universal backplane.

Sourcing Hard-to-Find & Obsolete PACSystems RX3i Parts

DriveKNMS maintains a dedicated inventory program for PACSystems RX3i modules, including discontinued and hard-to-source revisions such as the IC695PNC001-BABA. As GE/Emerson transitions its installed base toward newer platforms, end users operating legacy RX3i systems face increasing lead times through standard distribution channels. DriveKNMS addresses this through: (1) direct stock of tested surplus IC695 modules across CPU, I/O, and communication categories; (2) cross-revision compatibility verification to confirm whether a substitute revision (e.g., IC695PNC001-ABAJ vs. IC695PNC001-BABA) is functionally interchangeable in a given firmware environment; (3) long-term supply agreements for plant operators requiring guaranteed availability over 5–10 year maintenance windows. All modules are supplied with full traceability documentation. Requests for specific revision codes, date codes, or firmware-matched units are accommodated on inquiry.

Quality Control for the PACSystems RX3i Range

RX3i modules present specific test challenges due to their dual-bus backplane architecture (PCI + legacy 90-70 bus) and the tight firmware coupling between CPU and communication modules such as the IC695PNC001-BABA. DriveKNMS applies the following test protocol to all RX3i inventory: (1) Backplane bus integrity test: each module is seated in a live RX3i universal backplane and verified for correct enumeration on both PCI and legacy bus segments; (2) PROFINET stack validation (for IC695PNC001 variants): the module is configured as a PROFINET IO Controller in a test rack with a live IC695CPU320 or CPE330, and IO device discovery, cyclic data exchange, and alarm handling are verified against GE Proficy Machine Edition test scripts; (3) Firmware revision logging: the installed firmware version is recorded and disclosed to the buyer prior to shipment; (4) Thermal cycle burn-in: modules are operated under load for a minimum of 4 hours to screen for latent component failures; (5) Visual and connector inspection: backplane connector pins, faceplate LEDs, and port connectors are inspected under magnification for mechanical damage or corrosion.

For sourcing inquiries on IC695PNC001-BABA or any PACSystems RX3i module:

• Email: [email protected]
• WhatsApp: +86 18359293191
• Web: driveknms.com