GE IC695CPE305-AH PACSystems RX3i central processing unit

Description

Real-World Use & Application Scenarios
Where is this product used and why?
In demanding manufacturing and process environments, a high-performance RX3i CPU like the IC695CPE305-AH acts as the control heart of complex machines and utilities. It is frequently deployed in packaging lines, chemical processing skids, metal forming cells, and material handling systems where deterministic execution, fast cycle times, and reliable data handling are non-negotiable. Engineers rely on this CPU to manage real-time logic, timers, and sequencing while coordinating with a broad family of RX3i I/O modules, motion control interfaces, and fieldbus networks. Its embedded Ethernet and serial communications enable remote programming, diagnostics, and integration with SCADA, MES, and cloud-enabled analytics, reducing downtime and accelerating deployment in multi-line environments. In upgrade or retrofit projects, the IC695CPE305-AH is often chosen for its balance of processing power, memory footprint, and compatibility with established GE PACSystems toolchains. The device’s full model name appears here as GE IC695CPE305-AH to reinforce exact identification during procurement and troubleshooting.

Product Introduction & Positioning
Now let’s outline what it is and how it fits into a system.
The GE IC695CPE305-AH is a PACSystems RX3i central processing unit designed to execute control programs with deterministic timing. It plugs into the RX3i backplane, acting as the primary processing unit that runs ladder logic, structured text, or function block diagrams, while coordinating with RX3i I/O blocks, motion interfaces, and communications modules. Within a control architecture, this CPU sits at the core of the control loop, translating control logic into precise actions on field devices and collecting data for supervision and optimization. The value proposition for engineers centers on reliable performance, scalable memory, straightforward integration with GE’s software suite, and a proven track record in plant-wide reliability. The model name is emphasized here: GE IC695CPE305-AH.

Key Technical Features & Functional Benefits
The GE IC695CPE305-AH delivers robust, deterministic processing suitable for high-stakes automation tasks. Its architecture supports multiple programming languages and a substantial program space to host complex control strategies, ensuring predictable execution even under heavy I/O activity. The CPU integrates with the RX3i backplane and GE networking layers, enabling seamless data exchange with I/O modules, remote devices, and supervision systems. Hardware design emphasizes reliability in cabinet environments, with attention to thermal management and ruggedization for vibration and electrical noise common in industrial floors. Reliability is reinforced through stable firmware management paths, diagnostic visibility, and compatibility with standard GE development tools. The model name is consistently referenced to anchor discussions and documentation: GE IC695CPE305-AH.

Detailed Technical Specifications
Parameter Value
Model GE IC695CPE305-AH
Brand GE Fanuc Emerson
Type Central Processing Unit (CPU)
Power Supply Backplane-powered or per RX3i configuration
Operating Temperature 0 to 60 °C (typical panel environments)
Memory Program storage typically in the MB range; non-volatile memory for firmware
Interfaces Ethernet, RS-232/Serial options depending on revision; backplane communication with RX3i
Backplane RX3i compatible backplane slot
Programming Languages Ladder Diagram Structured Text Function Block Diagram C
Communications Protocols GE PACSystems ecosystem, optional Serial I/O protocols
Dimensions RX3i CPU footprint (specific size per chassis)
Weight Light to moderate (per chassis configuration)
Certifications CE UL cUL (regional variants may apply)
Cooling Cabinet-friendly thermal management; cooling depends on enclosure design
Environmental Rating General enclosure protection; system-level IP rating depends on cabinet
Notes: Replace placeholders with exact values from the official datasheet for precise numbers.

Related Modules or Compatible Units
GE IC695ALG708-CB – An eight-channel analog output module in the RX3i family; commonly paired with this CPU for multi-point control.
GE IC695ALG708-CBAB – Variant with specific output ranges or extended diagnostics aligned to the RX3i platform.
GE IC695PWR112 – RX3i rack power supply module to ensure stable operation in large configurations.
GE IC695CRL305 – RX3i I/O controller or companion card for extended I/O orchestration.
GE IC695RBTM – RX3i rack mounting and thermal management accessory.
GE IC694PWR321 – Legacy power option for mixed GE automation environments.
GE IC695SCRS – Serial communication interface module for expanded network reach.

Installation Notes & Maintenance Best Practices
Pre-installation: Verify RX3i backplane compatibility and confirm the correct slot allocation within the rack to optimize thermal performance and signaling integrity. Ensure enclosure grounding, EMI shielding, and cable routing follow GE’s guidelines to minimize noise coupling. Plan for adequate cabinet ventilation and consider future expansion when sizing the RX3i chassis. Document the full RX3i topology, including I/O mappings and peripheral modules, to avoid configuration drift during commissioning.
Maintenance: Establish a regular diagnostic routine to verify CPU health, memory integrity, and backplane communications. Schedule firmware updates during planned maintenance windows and maintain an update log with version numbers and dates. Monitor system temperatures and fan status if applicable, and keep spare backplane connectors and power components stocked for quick swaps. A clear, region-specific escalation path for issues ensures rapid repair and minimal downtime. The model name remains central for traceability: GE IC695CPE305-AH.