IC695CPU315 GE Fanuc RX3i CPU | 1GHz Celeron M Processor Module

Engineering Profile: GE Fanuc IC695CPU315

The IC695CPU315 serves as a high-performance central processor for the GE Fanuc RX3i PACSystem platform. Driven by a 1.0 GHz Celeron M microprocessor, this module delivers rapid execution speeds required for complex real-time process control. Its architectural integration of 20MB RAM and 20MB NVRAM provides secure data storage and expansive logic handling for sophisticated automation tasks.

Technical Performance Matrix

• Brand: GE Fanuc / Emerson
• Model: IC695CPU315
• Series: RX3i PACSystem
• Processor Type: Celeron M @ 1.0 GHz
• Memory: 20 MB RAM / 20 MB NVRAM
• I/O Capacity: 32 Kb Discrete I/O; 32 Kw Analog I/O
• Program Blocks: Up to 512 blocks (128 KB each)
• Connectivity: 1x RS-232, 1x RS-485 (Modbus RTU, SNP, Serial I/O)
• PCI Standard: Compliant with version 2.2
• Power Draw: 1.2A @ 5V DC / 1.0A @ 3.3V DC
• Operating Temperature: 0°C to 60°C (32°F to 140°F)

Operational Insights & Diagnostic Capability

The IC695CPU315 is engineered for seamless scalability. It supports symbolic variable mapping and is field-upgradable, ensuring your automation logic remains current as process requirements evolve. Diagnostic capabilities are enhanced through its robust communication protocols and internal clock monitoring, which maintains a high timing accuracy (0.01%) for time-sensitive machine synchronization.

Global PLC Spare HUB's Insight

At Global PLC Spare HUB, we view the IC695CPU315 as the premier choice for brownfield retrofits. Because it maintains backward compatibility with most GE Series 90-30 modules and expansion racks, this CPU acts as a strategic bridge between legacy I/O infrastructure and high-speed RX3i processing. It is excellently suited for high-speed motion control, complex batch processing, and multi-axis alignment applications.

Logistics & Quality Assurance

• Global Logistics: Reliable transit via FedEx, UPS, or DHL.
• Dispatch: Orders are processed and prepared for shipment within 24–48 hours.
• Warranty: Every IC695CPU315 unit is supported by our 12-month professional quality guarantee.

Expert Frequently Asked Questions

Q: Why is it critical to use GEIP-approved battery packs only?

A: Third-party battery packs may have different discharge curves or impedance ratings, which can trigger false memory-corruption warnings or premature data loss in the NVRAM.

Q: Can I increase the available user memory for symbolic variables?

A: Yes, the CPU supports auto-located symbolic variables, allowing you to utilize available NVRAM effectively without hard-coded address limits.

Q: How do I handle potential PCI bus communication errors?

A: Ensure your firmware version is updated; since this module complies with PCI 2.2, newer firmware builds often improve handshaking with older Series 90-30 I/O modules.

Q: What is the impact of the 0.01% internal timing drift?

A: For most industrial processes, this is negligible. However, for precision time-stamping (like sequence-of-events logging), we recommend periodically syncing the clock with an external NTP time source.

Q: Is this CPU suitable for replacing a failed Series 90-30 CPU directly?

A: Often yes, but you must verify that your rack power supply has sufficient capacity for the 1.2A @ 5V DC draw of this RX3i processor.

Professional Selection Guidance

• Upgrade Path: If you are migrating from Series 90-30, map your existing program blocks to the RX3i format before attempting a hot-swap to avoid memory block overflows.
• Battery Management: Always keep a spare IC695ACC302 or IC690RBT001 on-site, especially if your application requires long-term configuration retention during facility power-downs.
• Environmental: Given the 60°C maximum rating, ensure your enclosure has active thermal management if installed near power inverters or high-heat drives.

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