GE Fanuc RX3i PACSystems Modules: IC694CHS392 Baseplate & Full Series

Technical Dossier

Product Details And Specifications

GE Fanuc RX3i PACSystems Series Technical Notes

The GE Fanuc RX3i PACSystems 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 oil & gas platforms, pulp and paper mills, and large-scale water treatment infrastructure, the RX3i series succeeded the Series 90-30 (IC693) and Series 90-70 (IC697) platforms while maintaining backward compatibility through a dual-bus backplane architecture. The IC694 module family operates on the RX3i universal backplane, supporting both the high-speed PCI backplane bus and the legacy serial backplane bus simultaneously — a design decision that enabled direct migration of IC693 I/O modules into RX3i racks without hardware redesign. This architectural continuity made the RX3i the default upgrade path for tens of thousands of Series 90-30 installations worldwide, cementing its position as a long-lifecycle platform with an installed base that continues to require spare parts, replacement modules, and lifecycle extension support well into the 2020s.

RX3i PACSystems Full Catalog & Functionalities (SKU List)

Baseplates & Rack Infrastructure

• IC694CHS392: 12-slot RX3i universal baseplate, supports PCI and serial backplane bus, 10.4A @ 5VDC backplane current capacity, DIN rail or panel mount.
• IC694CHS398: 12-slot RX3i baseplate with integrated power supply slot, enhanced thermal management for high-density I/O configurations.
• IC694CHS391: 9-slot RX3i universal baseplate, reduced-footprint variant for space-constrained panel installations.
• IC695CHS012: 12-slot RX3i main rack, PCI-bus only, designed for IC695 CPU and high-speed module installations.
• IC695CHS016: 16-slot RX3i expansion rack, supports up to 16 I/O modules, used in large-scale distributed I/O architectures.

CPU & Controller Modules

• IC695CPE302: RX3i dual-core CPU, 1.4 GHz, 64 MB user memory, dual Ethernet ports, supports C programming and IEC 61131-3.
• IC695CPE305: RX3i CPU, 1.4 GHz, 32 MB user memory, single Ethernet port, standard-tier controller for mid-complexity applications.
• IC695CPE310: RX3i CPU, 1.4 GHz, 64 MB user memory, enhanced instruction set, supports motion control coordination.
• IC695CPE330: RX3i high-performance CPU, 1.4 GHz dual-core, 128 MB user memory, designed for large-scale process control with high I/O point counts.
• IC695CPE400: RX3i Linux-based PAC controller, 1.2 GHz ARM, supports containerized applications, IEC 61131-3, and C/C++ user programs.

Discrete Input Modules (DI)

• IC694MDL340: 32-point 24VDC discrete input module, sourcing, 0.5ms filter, compatible with RX3i and Series 90-30 racks.
• IC694MDL390: 32-point 24VDC discrete input module, sinking, high-density format, 1ms filter time.
• IC694MDL230: 16-point 120VAC discrete input module, optically isolated, for high-voltage field device interfacing.

Discrete Output Modules (DO)

• IC694MDL740: 32-point 24VDC discrete output module, sourcing, 0.5A per point, short-circuit protected.
• IC694MDL742: 32-point 24VDC discrete output module, sinking configuration, 0.5A per point.
• IC694MDL930: 16-point relay output module, Form C contacts, 2A per point, for high-current actuator control.

Analog Input Modules (AI)

• IC694ALG220: 4-channel analog input, 4–20mA / 0–10V selectable, 12-bit resolution, for process variable monitoring.
• IC694ALG221: 8-channel analog input, 4–20mA / 0–10V, 12-bit resolution, high-density process measurement.
• IC694ALG222: 16-channel analog input, 4–20mA, 12-bit, designed for large-scale sensor arrays in refinery and chemical plant applications.

Analog Output Modules (AO)

• IC694ALG390: 4-channel analog output, 4–20mA / 0–10V, 12-bit resolution, for control valve and actuator positioning.
• IC694ALG391: 8-channel analog output, 4–20mA, 12-bit, high-density control output for multi-loop process control.

Communication & Network Modules

• IC695PNC001: PROFINET Controller module, manages up to 128 PROFINET I/O devices, 100 Mbps, IRT and RT communication classes.
• IC695ETM001: EtherNet/IP and SRTP communication module, dual RJ45 ports, supports explicit and implicit messaging.
• IC694BEM331: Genius Bus Controller, manages Genius I/O bus segments, backward-compatible with legacy Genius field devices.

Power Supply Modules

• IC695PSA040: 40W AC/DC power supply for RX3i racks, 120/240VAC input, 5VDC and 3.3VDC backplane output, with diagnostics.
• IC695PSD040: 40W DC power supply, 24VDC input, for installations with DC-only power infrastructure.

Quality Control for the RX3i PACSystems Range

RX3i modules present specific quality verification challenges due to the dual-bus backplane architecture and the complexity of intelligent I/O modules with onboard microprocessors. DriveKNMS applies a structured test protocol to all RX3i inventory prior to dispatch. Baseplate modules (IC694CHS392 and related) are inspected for backplane connector pin integrity, PCB trace continuity across all 12 slot positions, and mechanical alignment of the DIN rail mounting hardware. CPU modules (IC695CPE302, IC695CPE305, IC695CPE310) are powered in a live RX3i test rack running Proficy Machine Edition, verified for successful program load/store cycles, Ethernet port link establishment, and fault table clear operations. Analog I/O modules are bench-tested against calibrated signal sources and loads to verify channel-level accuracy within published specifications. Communication modules (IC695PNC001, IC695ETM001) are tested for network enumeration and data exchange with a reference I/O device. All modules that pass testing are assigned a QC pass record. Modules with repairable faults are routed to component-level repair before re-test. Modules with non-repairable faults are quarantined and not sold.