Product Introduction
The GE IC694CPU771 CPU Module is a high-performance central processing unit designed for use with the PACSystems RX3i programmable automation controller (PAC) platform. As one of the most advanced CPUs in the RX3i series, it delivers exceptional processing speed, large memory capacity, and versatile communication options suitable for demanding industrial automation applications.
This CPU integrates seamlessly with other RX3i components, including backplanes, I/O modules, and communication modules. It provides reliable real-time control for complex process automation, motion control, and high-speed machine logic applications. With support for Ethernet, serial, and proprietary GE protocols, the IC694CPU771 ensures flexible connectivity within industrial networks.
Its modular design allows for easy expansion and configuration, enabling engineers to tailor system performance to specific application needs. The robust construction and advanced firmware design provide high reliability and resilience against electrical noise, temperature fluctuations, and vibration—ensuring continuous operation in harsh industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | IC694CPU771 |
| Manufacturer | GE Fanuc / Emerson (PACSystems RX3i Series) |
| Product Type | CPU Module |
| Processor Type | 32-bit RISC Processor |
| Processor Speed | 133 MHz |
| User Memory | 10 MB total (Logic + Data + Config) |
| Non-Volatile Memory | Flash memory for program and configuration storage |
| Communication Ports | 1 Ethernet, 1 Serial (RS-232/RS-485), 1 USB |
| Protocol Support | Modbus TCP/IP, SRTP, EGD, SNP, and serial protocols |
| I/O Capacity | Supports up to 32,000 discrete and analog I/O points |
| Programming Software | Proficy Machine Edition (Logic Developer PLC) |
| Scan Rate | Less than 0.2 ms per 1k of Boolean logic |
| Power Requirements | 5 VDC, 1.1 A (typical) |
| Battery Backup | Yes, with replaceable lithium battery for memory retention |
| Real-Time Clock | Integrated RTC with ±1 minute/month accuracy |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5%–95% non-condensing |
| Shock / Vibration | IEC 60068-2 compliant |
| Mounting Type | RX3i Universal Backplane |
| Dimensions | 130 × 90 × 40 mm |
| Weight | 0.3 kg |
| Certifications | CE, UL, CSA, and RoHS compliant |
Applications
The GE IC694CPU771 CPU Module is used in a wide range of industrial control and automation systems that require reliable, deterministic performance and high scalability. It serves as the central controller for large distributed control architectures, machine automation, and process management.
Key application areas include:
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Power Generation and Distribution: Controls turbine systems, generators, and substations.
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Oil and Gas Automation: Manages process control, drilling systems, and pipeline monitoring.
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Manufacturing Systems: Coordinates robotic assembly lines, packaging, and motion control.
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Water and Wastewater Treatment: Regulates pumps, valves, and purification systems.
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Pharmaceutical and Chemical Plants: Maintains precise process control and batch automation.
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Transportation and Infrastructure: Operates signaling, HVAC, and tunnel automation systems.
The IC694CPU771 provides both flexibility and reliability, making it suitable for mission-critical systems that demand real-time processing, data logging, and seamless integration with supervisory control systems.
Advantages
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High Processing Performance: Advanced 32-bit RISC processor ensures fast execution of logic and data-intensive tasks.
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Large Memory Capacity: 10 MB memory allows complex program storage and extensive data handling.
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Flexible Networking: Integrated Ethernet and serial ports support multiple industrial communication protocols.
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Reliable Operation: Industrial-grade design ensures stable performance under harsh environmental conditions.
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Hot-Swappable Architecture: Modules can be replaced without shutting down the system, minimizing downtime.
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Scalable System Design: Easily expandable with multiple backplanes and I/O modules.
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Comprehensive Diagnostics: Built-in monitoring for CPU health, communication status, and I/O conditions.
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User-Friendly Configuration: Compatible with GE’s Proficy Machine Edition software for seamless development.
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Energy Efficient: Optimized power consumption with high-performance operation.
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Long-Term Support: Backed by GE’s extensive industrial automation ecosystem and service infrastructure.
FAQ
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What type of processor architecture does the IC694CPU771 use?
It uses a 32-bit RISC processor optimized for real-time industrial control applications, offering superior computation speed and efficiency. -
How is user memory divided in the IC694CPU771?
The 10 MB total memory is allocated between user logic, configuration data, and variable storage, ensuring sufficient capacity for large automation projects. -
Can this CPU communicate with third-party devices via Ethernet?
Yes, it supports Modbus TCP/IP and SRTP protocols, enabling communication with a wide range of industrial equipment. -
Does the IC694CPU771 support redundant system configurations?
Yes, it can operate in redundant setups when paired with appropriate RX3i modules and configuration tools. -
What programming environment is used for configuring the CPU?
The CPU is programmed and configured using GE’s Proficy Machine Edition software suite. -
Can the CPU handle mixed I/O modules in a single backplane?
Yes, the IC694CPU771 supports both discrete and analog modules on the same RX3i backplane. -
How does the CPU handle real-time data exchange between racks?
It utilizes the Ethernet Global Data (EGD) protocol to share real-time process variables across multiple controllers and systems. -
What happens if the CPU loses power unexpectedly?
All program and configuration data are stored in non-volatile flash memory, preventing data loss after power restoration. -
Does the IC694CPU771 include built-in diagnostics?
Yes, it continuously monitors CPU health, communication integrity, and module status, providing fault indicators and detailed logs. -
How is synchronization achieved in multi-rack systems?
The CPU coordinates timing and data flow through expansion backplanes and communication links to ensure deterministic control cycles.
Related Models (Same Series / Compatible)
| Model Number | Description |
|---|---|
| IC694CPU311 | Entry-level CPU for RX3i with 64 KB user memory |
| IC695CPU310 | Mid-range RX3i CPU with 10 MB memory |
| IC695CPU315 | Enhanced CPU with dual Ethernet ports |
| IC694CPU350 | Compact CPU with integrated serial interface |
| IC695CPU320 | High-performance CPU for advanced applications |
| IC695CPU340 | RX3i CPU with expanded communication support |
Popular GE Models
| Model Number | Series | Description |
|---|---|---|
| IC695PSA040 | RX3i Series | Power Supply Module (40W) |
| IC695CHS012 | RX3i Series | 12-Slot Universal Backplane |
| IC695ETM001 | RX3i Series | Ethernet Communication Module |
| IC694MDL655 | RX3i Series | 32-Point DC Output Module |
| IC695ALG600 | RX3i Series | Analog Input Module |
| IC695ALG708 | RX3i Series | 8-Channel Analog Output Module |
Company Information
E-mail: [email protected]
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Add: Alishan Building, 2 Lvling Rd, Siming District, Xiamen, Fujian, China, 361006
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