GE IC695CRU320-EJ – RX3

The GE IC695CRU320-EJ is a high-performance CPU module belonging to the GE RX3i PACSystems family. It serves as the central processing unit for modular programmable automation controllers (PACs), providing the intelligence, flexibility, and processing power required in modern industrial automation environments.

Engineered for reliability and scalability, the IC695CRU320-EJ integrates advanced control, networking, and diagnostics functions, making it suitable for demanding applications such as power generation, oil & gas, water treatment, and manufacturing automation. With its dual redundant capability, fast execution speed, and extensive communication options, this CPU ensures uninterrupted and efficient plant operation.

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Key Features

• High-Speed Processing: Executes logic with microsecond precision for real-time control.

• Redundant Architecture: Supports CPU redundancy for maximum system availability.

• Integrated Ethernet: Built-in 10/100 Mbps Ethernet port for high-speed data communication.

• Advanced Memory Management: Large memory capacity for complex applications and data logging.

• Hot-Swappable Design: Allows component replacement without shutting down the system.

• Diagnostics & Monitoring: Provides comprehensive system health information and event logging.

• Modular Expandability: Fully compatible with GE RX3i I/O modules and communication interfaces.

• Secure Firmware: Designed with password protection and firmware integrity verification.

  
  

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Technical Specifications

Parameter	Specification
Manufacturer	General Electric (GE)
Model Number	IC695CRU320-EJ
Product Type	Central Processing Unit (CPU) Module
Series	PACSystems RX3i
Processor Type	1 GHz 64-bit CPU
Program Memory	64 MB user memory
Data Storage	64 MB non-volatile flash
Ethernet Interface	10/100 Mbps (RJ-45 port)
Serial Ports	One RS-232 / RS-485 configurable port
Redundancy Support	Yes (with synchronized backup CPU)
Scan Rate	0.2 ms typical for 1K Boolean instructions
I/O Compatibility	Supports RX3i discrete and analog I/O modules
Backplane Compatibility	Universal RX3i rack system
Operating Voltage	24 VDC nominal
Power Consumption	Approx. 10 W
Operating Temperature Range	0°C to +60°C
Storage Temperature	-40°C to +85°C
Dimensions	130 mm × 100 mm × 50 mm
Weight	Around 0.45 kg
Certifications	CE, UL, CSA, RoHS compliant

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Applications

The GE IC695CRU320-EJ CPU module is versatile and widely applied in complex automation and control scenarios, including:

• Power Generation & Transmission Systems – For turbine, generator, and substation automation.

• Oil, Gas & Petrochemical Plants – Managing process control, safety, and remote monitoring.

• Water & Wastewater Facilities – Regulating pumps, treatment sequences, and monitoring flow.

• Manufacturing Automation – Handling motion control, machine sequencing, and data acquisition.

• Transportation & Infrastructure – Supervising energy distribution, signaling, and system control.

Its redundancy and communication capabilities make it ideal for mission-critical industrial networks requiring 24/7 uptime.

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Structure and Composition

The IC695CRU320-EJ is composed of several integrated sections designed for robust and efficient operation:

1. Main Processor Board – Handles all logic execution and system communications.

2. Ethernet and Serial Interfaces – Enable seamless integration with SCADA, HMI, and plant networks.

3. Redundancy Synchronization Port – Ensures seamless switchover between primary and backup CPUs.

4. Backplane Connector – Provides communication to RX3i I/O modules and power supply.

5. Status Indicators: Front LEDs display RUN, STOP, ERROR, and COMM states for quick diagnostics.

The board’s high-speed internal bus and memory architecture allow deterministic control and consistent response times across the automation network.

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Installation and Maintenance

• Installation: Mount the CPU into the RX3i rack slot designated for the controller. Connect Ethernet, serial, and redundancy cables as required.

• Configuration: Use GE’s Proficy Machine Edition (PME) software for programming and diagnostics.

• Maintenance: Regularly inspect connectors and ensure firmware is up to date. The hot-swap capability enables module replacement without system shutdown.

• Environmental Care: Operate in a clean, dust-free, temperature-controlled environment to extend component life.

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Advantages

• Ensures continuous system uptime with dual CPU redundancy.

• Scalable architecture supports small to large industrial systems.

• Enhanced security and diagnostics reduce risk and maintenance costs.

• Fully backward-compatible with existing RX3i infrastructure.

• Supported globally by GE’s automation services for long-term reliability.

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Conclusion

The GE IC695CRU320-EJ CPU Module delivers industrial-grade performance, reliability, and flexibility for complex control and automation systems. Its powerful processing capability, integrated redundancy, and robust communication options make it an essential component in any high-availability industrial network. Whether applied in power, energy, or manufacturing sectors, the IC695CRU320-EJ guarantees uninterrupted control and superior operational efficiency in even the most demanding environments.