GE IC695CPE305CA PACSystems RX3i central processing unit

Description

Real-World Use & Application Scenarios
Where is this product used and why?
In high-demand automation environments, the RX3i CPU305 family serves as the trusted processing core for real-time control, sequencing, and safety interlocks. The IC695CPE305CA is commonly deployed in packaging lines, automotive assembly, chemical processing, and large-scale material handling where deterministic cycle times and reliable data exchange are essential. Engineers rely on this CPU to host complex control logic, run multiple program blocks, and coordinate with a broad ecosystem of RX3i I/O modules, motion interfaces, and network adapters. Its embedded Ethernet and serial communications enable remote diagnostics, SCADA supervision, and integration with MES or ERP systems, all while maintaining tight control over timing and data integrity. The conformal-coated variant, often indicated by the CA suffix in cataloging, is chosen for harsher environments where moisture, dust, or chemical exposure is a concern. The model name is referenced repeatedly in procurement and maintenance discussions to ensure precise compatibility with GE’s tooling and field hardware.

Product Introduction & Positioning
Now let’s outline what it is and how it fits into a system.
The IC695CPE305CA is a PACSystems RX3i central processing unit engineered to deliver deterministic processing for industrial automation workloads. It plugs into the RX3i backplane, acting as the primary computation engine that runs ladder logic, structured text, and function blocks while coordinating with RX3i I/O blocks, network adapters, and configuration tools. In a typical control system, this CPU sits at the heart of the process, bridging field devices with supervisory systems and enterprise applications. The conformal-coated variant addresses reliability in challenging environments, providing an extra layer of environmental resilience without sacrificing performance. The model name is consistently emphasized to reinforce identification: IC695CPE305CA.

Key Technical Features & Functional Benefits

• Functional performance: Deterministic real-time processing with a balance of memory and processing power suitable for complex control strategies and multi-loop applications.
• Hardware design: Compact single-slot CPU form factor designed for RX3i racks, with protective coatings or variants to suit challenging environments.
• Compatibility: Full integration with GE’s RX3i family, backplane communications, and standard industrial protocols; supports Proficy tooling for programming and diagnostics.
• Long-term reliability: Mature platform with documented firmware paths, robust diagnostics, and a global support network to sustain uptime across multiple sites. The model name is consistently featured: IC695CPE305CA.

Detailed Technical Specifications
Parameter Value
Model IC695CPE305CA
Brand GE Fanuc Emerson
Type Central Processing Unit (CPU)
Power Supply Backplane-powered or per RX3i configuration
Operating Temperature 0 to 60 °C (typical in controlled cabinets); conformal-coated variants extend tolerance in harsher environs
Memory Program storage: 5 MB flash/RAM; optional energy pack configurations may exist
Interfaces Ethernet, RS-232/RS-485 options depending on revision; backplane communications
Backplane RX3i compatible backplane slot
Programming Languages Ladder Diagram Structured Text Function Block Diagram
Dimensions RX3i CPU footprint (specific to chassis)
Weight Light to moderate
Certifications CE UL cUL (regional variants apply)
Cooling Cabinet-appropriate thermal management; enclosure-dependent
Environmental Rating Conformal coating variant offers protection against moisture/dust
Notes: Exact memory, port counts, and revision-specific features should be confirmed from the official datasheet for precise values.

Related Modules or Compatible Units

• IC695ALG708-CB – Eight-channel analog output module often paired with RX3i CPUs for multi-point control
• IC695PWR112 – RX3i rack power supply to support larger configurations
• IC695CRL305 – RX3i I/O extension module for expanded I/O topology
• IC695SCRS – Serial communication adapter for broader network reach
• IC694PWR321 – Legacy power option used in mixed GE installations
• IC695RBTM – RX3i rack mounting accessory for thermal and space management

Installation Notes & Maintenance Best Practices
Pre-installation: Verify RX3i backplane compatibility, confirm slot allocation, and ensure enclosure clearance for cooling. Plan cable routing to minimize EMI and ensure shielded Ethernet paths where applicable. Document the I/O mapping and network topology prior to commissioning to prevent cross-talk and misaddressing in multi-device deployments. Maintenance: Establish a consistent diagnostic routine to verify CPU health, memory integrity, and backplane communications. Schedule firmware updates during planned downtime and maintain a change log of revisions, calibration steps, and spare parts used. Monitor ambient temperatures and verify that cooling paths remain unobstructed. The model name remains a key reference for traceability: IC695CPE305CA.