Product Overview
The GE Fanuc IC695CMU310-CK is a high-performance MAX ON RX3i 300 MHz CPU designed for industrial automation, process control, and complex manufacturing systems. Part of the RX3i series, this CPU provides robust, high-speed processing capabilities for controlling distributed I/O, motion, and analog/digital process signals. It is engineered to meet the rigorous requirements of high-speed, mission-critical industrial applications where reliability, uptime, and deterministic performance are essential.
The IC695CMU310-CK supports the MAX ON RX3i modular architecture, allowing seamless integration with a wide range of I/O modules, communication modules, and specialty function cards. Its 300 MHz processing speed and advanced instruction set allow for high-speed data processing, real-time control loops, and efficient handling of complex automation tasks, making it ideal for manufacturing plants, power generation, and large-scale industrial processes.
Designed with industrial durability in mind, the CPU offers protection against electrical noise, vibration, and environmental stress, ensuring consistent operation in demanding plant conditions. Its support for redundant configurations and deterministic execution further enhances system reliability for critical automation tasks.

Product Parameters (Technical Specifications)
| Parameter | Description |
|---|---|
| Product Name | GE Fanuc IC695CMU310-CK MAX ON RX3i CPU |
| Part Number | IC695CMU310-CK |
| Processor Speed | 300 MHz |
| Memory | 32 MB user memory (expandable based on system configuration) |
| Supported I/O | Distributed RX3i I/O, analog and digital modules, specialty cards |
| Communication Ports | Serial, Ethernet, optional redundant links |
| Deterministic Execution | Yes, supports real-time processing with low jitter |
| Scan Rate | System-dependent, optimized for high-speed control loops |
| Power Supply | 24 VDC via RX3i backplane |
| Redundancy Support | Optional CPU and network redundancy for high-availability systems |
| Diagnostics | Comprehensive system and module diagnostics via LEDs and software tools |
| Mounting | DIN-rail or panel-mounted via RX3i backplane |
| Operating Temperature | Industrial range: 0°C – 60°C |
| Certifications | UL, CE, and industrial compliance standards |
| Country of Origin | USA / GE-certified manufacturing facility |
| Reliability | Designed for continuous 24/7 operation in industrial environments |
This CPU provides a reliable backbone for large-scale control applications where precise timing, real-time monitoring, and process coordination are critical.
Product Datasheet Description
The GE Fanuc IC695CMU310-CK MAX ON RX3i 300 MHz CPU is designed to act as the central processing unit for modular RX3i automation systems. It handles all logic execution, process data acquisition, I/O control, and communications management. The CPU’s architecture ensures deterministic execution, high-speed processing, and robust data handling for complex industrial tasks.
Key Features
- High-Speed Processing
With a 300 MHz processor, the IC695CMU310-CK can handle complex logic routines, fast I/O scanning, and large-scale data processing without bottlenecks. - Modular Architecture Integration
Fully compatible with RX3i I/O modules, specialty cards, and communication modules, enabling flexible and scalable system design. - Redundant System Support
Supports CPU redundancy and redundant communication links to maximize system uptime in critical industrial applications. - Comprehensive Diagnostics
On-board LEDs and software-based diagnostic tools provide system health monitoring, fault detection, and proactive maintenance alerts. - Deterministic and Real-Time Operation
The CPU is engineered for predictable execution of control logic, ideal for high-speed manufacturing, turbine control, and process automation. - Industrial Reliability
With rugged construction and protection against environmental factors such as vibration, electrical noise, and temperature fluctuations, the CPU ensures reliable long-term operation. - Flexible Connectivity
Supports serial and Ethernet communications, enabling integration with legacy systems, HMI panels, SCADA systems, and modern IIoT networks.
The IC695CMU310-CK’s processing capabilities make it particularly suitable for applications such as packaging lines, chemical processing, power plant control, water treatment automation, and high-speed motion control systems, where timing precision, deterministic logic execution, and large I/O throughput are required.
Country of Origin
The IC695CMU310-CK is manufactured in GE-certified facilities in the United States, ensuring strict quality control, functional testing, and industrial compliance. Each CPU undergoes rigorous verification for memory integrity, processing performance, electrical isolation, and environmental tolerance before shipment, guaranteeing reliable performance in industrial applications.
Product News and Industry Context
The RX3i CPU family, including the IC695CMU310-CK, continues to be widely adopted in legacy and modern GE Fanuc automation installations due to its robustness, scalability, and high-speed processing. Industrial facilities with distributed I/O, complex motion control, and analog/digital integration benefit from the CPU’s deterministic execution and modular expansion capabilities.
This CPU is particularly important in industries aiming for high reliability, process efficiency, and system longevity, including energy generation, chemical production, and heavy manufacturing. Its support for redundant architectures aligns with industry trends toward high-availability control systems.
Recommended Related GE Fanuc Products
For building or expanding a MAX ON RX3i system, the following GE Fanuc modules are commonly used with the IC695CMU310-CK:
| Model | Description |
|---|---|
| IC695CHS021 | High-speed analog input module for RX3i systems |
| IC695ALG221 | Analog input module for precision measurement applications |
| IC695MDL740 | Digital I/O module for distributed process control |
| IC695CMM002 | Ethernet communication module for RX3i integration |
| IC695CHS030 | High-density channel module for critical I/O systems |
| IC695CPU310-CK | Alternative 300 MHz RX3i CPU for redundant or expanded systems |
These modules expand the CPU’s capabilities, allowing for scalable, flexible, and high-performance industrial automation systems tailored to specific application requirements.
Frequently Asked Questions (FAQ)
Q1: What is the main purpose of the IC695CMU310-CK?
A1: It acts as the central processing unit for RX3i automation systems, handling logic execution, I/O processing, and system communication.
Q2: Can it operate in redundant configurations?
A2: Yes, the CPU supports redundancy for high-availability and mission-critical applications.
Q3: What industries commonly use this CPU?
A3: Power generation, chemical processing, water treatment, high-speed manufacturing, and heavy industrial automation.
Q4: What types of modules are compatible with this CPU?
A4: Analog input/output modules, digital I/O modules, communication modules, and specialty function cards in the RX3i family.
Q5: Is it suitable for legacy and modern RX3i systems?
A5: Yes, the CPU is backward-compatible with older RX3i modules while supporting modern expansions and communication standards.
Conclusion
The GE Fanuc IC695CMU310-CK MAX ON RX3i 300 MHz CPU is a high-performance, industrial-grade processor designed for demanding automation environments. Its fast processing, modular integration, real-time deterministic operation, and robust industrial design make it ideal for mission-critical applications in manufacturing, process control, and energy systems. Coupled with complementary RX3i modules, it forms a flexible, scalable, and reliable control platform capable of supporting complex automation tasks, reducing downtime, and ensuring long-term operational efficiency.






