Universal Controller Module: Scalable Backplane for GE RX3i Systems

The IC695CHS012 is a 12-slot universal backplane designed for use in GE's RX3i PACSystems. It serves as the physical and electrical foundation for the RX3i controllers and modules, allowing users to build scalable and robust industrial automation solutions. This backplane provides high-speed connectivity, power distribution, and reliable support for a variety of I/O and communication modules.

Used across diverse industries—from manufacturing to utilities—the IC695CHS012 offers the flexibility needed for complex and high-density control applications.

2. Technical Specifications

The IC695CHS012 is engineered to support the full range of RX3i modules while ensuring optimal system performance and integration.

🔧 Core Specs:

• Total Slots: 12 (1 dedicated for power supply, 1 for CPU or controller, 10 for I/O or specialty modules)

• Power Supply Slot: Slot 1

• Controller Slot: Slot 2

• Dimensions: Approx. 17.7 x 7.5 in. (45 x 19 cm)

• Mounting Type: DIN rail or panel mount

• Compatibility: Supports RX3i CPUs, I/O modules, Ethernet, motion control, and more

• Connector Type: High-speed backplane connectors

This model is suitable for medium to large-scale control systems that require expandability and modular design.

3. Key Features and Advantages

✅ Modular and Scalable Design

• Provides 12 physical slots to house a wide variety of RX3i modules

• Easy system expansion without the need for major rewiring or reconfiguration

✅ High-Speed Communication

• Supports fast data transfer between modules via the backplane

• Ensures real-time communication for mission-critical applications

✅ Industrial Durability

• Built for use in rugged industrial environments

• Backplane connectors are gold-plated for reliability and longevity

✅ Standardized Slot Assignment

• Clear designation of power supply and controller slots ensures consistency

• Simplifies system configuration and maintenance

4. Industrial Applications

The IC695CHS012 is widely used across industries that require centralized or distributed control architectures.

🏭 Typical Applications:

• Power Generation: Monitoring and control of turbines, generators, and switchgear

• Oil & Gas: Wellhead control, pipeline automation, and safety systems

• Manufacturing Plants: Production line automation and robotics

• Water Treatment: SCADA integration and real-time control of pumps/valves

Its flexibility and capacity make it a popular choice for facilities with evolving control needs.

5. Installation and Configuration

🛠️ Installation Steps:

1. Mount the backplane on a DIN rail or securely on a panel.

2. Install the power supply module in Slot 1.

3. Insert the CPU/controller module in Slot 2.

4. Use remaining slots (3–12) for I/O, Ethernet, motion, or specialty modules.

5. Connect backplane to the system power and begin configuration using Proficy Machine Edition (PME).

Proper mounting ensures vibration resistance and signal integrity. GE provides detailed installation manuals for best practices.

6. Maintenance and Troubleshooting

The backplane itself is passive but critical. Periodic checks ensure continued reliability.

🔍 Routine Checks:

• Inspect connectors for dust or oxidation

• Verify tightness of DIN rail or panel mounts

• Check for signs of overheating or arc damage

⚠️ Common Issues:

7. Comparison with Other RX3i Backplanes

Choosing between them depends on control density, cabinet space, and future scalability needs.

8. Conclusion

The IC695CHS012 Universal Controller Module is an essential component in the GE RX3i control ecosystem. With 12 available slots, high-speed communication capabilities, and durable construction, it offers the foundation needed for reliable and scalable automation systems. Whether expanding an existing control rack or building a new setup, this backplane ensures seamless integration and long-term performance.