The GE Fanuc IC697CPX935-CD is a high-performance Central Processing Unit belonging to the Series 90-70 family. This module is designed for complex industrial applications requiring fast execution speeds and large memory capacity. It features an advanced floating-point processor, making it ideal for motion control, process control, and high-level math functions within a Distributed Control System (DCS) or PLC environment.
Technical Specifications and Data
Product Identification The IC697CPX935-CD is a single-slot CPU module compatible with the IC697 standard rack architecture.
Memory Capacity This unit is equipped with 1 MB of battery-backed CMOS RAM. It supports extensive program storage and data logging, ensuring that critical logic is maintained even during power loss.
Dimensions The module follows the standard Series 90-70 form factor, measuring approximately 285 mm x 195 mm x 35 mm. It occupies one full slot in the system chassis.
Weight The shipping weight for this CPU module is approximately 0.82 kg (1.8 lbs).
Country of Origin This product is manufactured in the United States.
Microprocessor It utilizes an 80486DX2 microprocessor with a clock speed of 64 MHz, providing efficient processing for demanding logic cycles.
Application Fields
The IC697CPX935-CD is widely utilized in large-scale industrial automation projects, including:
- Oil and Gas Refineries: Managing complex PID loops and safety shutdowns.
- Automotive Manufacturing: Coordinating high-speed assembly lines and robotic synchronization.
- Water Treatment Facilities: Monitoring large-scale sensor networks and chemical dosing systems.
- Power Generation: Acting as the primary logic controller for auxiliary plant systems.
Operating Instructions
For optimal performance and hardware longevity, please adhere to the following instructions:
- Battery Installation: Before powering the rack, ensure a fresh lithium battery is connected to the CPU to retain the RAM contents.
- Rack Placement: Insert the module into Slot 1 of the IC697 rack. Ensure the plastic levers are fully engaged to seat the connectors into the backplane.
- Firmware Compatibility: Verify that the “CD” revision suffix matches your software requirements, as different hardware revisions may require specific versions of Logicmaster or Proficy Machine Edition.
- Thermal Management: Maintain adequate airflow within the cabinet. The high-speed processor generates heat that must be dissipated to prevent thermal throttling or hardware failure.
Common Questions and Answers (Q&A)
Q: Does the IC697CPX935-CD support floating-point math? A: Yes, it includes a built-in math coprocessor that handles 32-bit and 64-bit floating-point operations natively, significantly increasing the speed of complex calculations.
Q: What do the LED indicators on the front panel signify? A: The “OK” LED indicates the module has passed its power-up self-test. The “RUN” LED shows that the CPU is actively executing logic, and the “BATT” LED warns when the internal battery voltage is low.
Q: Can I upgrade the memory on this specific module? A: The 1 MB RAM is fixed on the board. If your application exceeds this capacity, you may need to look at higher-tier models within the CPX series.
Related Industry News
Recent shifts in the industrial automation market have seen a resurgence in the utilization of Series 90-70 components. While newer platforms are available, many facilities are choosing to maintain their IC697 systems due to their proven reliability in harsh environments. Service providers are increasingly offering specialized diagnostic tools for the CPX935 series to help plant managers predict potential failures before they occur, effectively extending the lifecycle of these robust controllers by another decade. This “maintenance-first” approach is helping industries reduce electronic waste while maintaining peak operational efficiency.


