Description

The IC697CPM925 is a high-performance, single-slot Central Processing Unit (CPU) designed for the GE Fanuc Series 90-70 industrial control platform. Powered by a 64 MHz 80486DX2 microprocessor, this unit is engineered for demanding automation environments such as oil refining, chemical processing, and power generation. It provides 1 Mbyte of battery-backed memory and advanced floating-point calculation capabilities to handle complex industrial algorithms. By integrating high-speed Boolean execution (0.4 microseconds) and extensive I/O support, the IC697CPM925 serves as a critical component in maintaining process stability and reducing operational downtime in large-scale system architectures.

Features

• Processing Power: Equipped with an 80486DX2 64 MHz processor for intensive logic operations and integrated floating-point support.
• Memory: Features 1 Mbyte of battery-backed user logic RAM for secure program storage.
• Security & Access: Includes a three-position operation mode switch and remote programmer keyswitch for memory protection, complemented by software-based password control.
• Maintenance & Diagnostics: Features four status LEDs (Run, OK, I/O Force, Battery) for real-time monitoring and in-system upgradable firmware.
• Configuration: Fully software-driven configuration, eliminating the need for manual DIP switches or jumpers.
• Communication: Supports programming via Ethernet TCP/IP or the SNP port using compatible MS-DOS or Windows-based software.

Applications

The IC697CPM925 is suitable for large-scale automation systems requiring high-density I/O management and complex logic processing. Typical applications include:

• Oil and gas refining processes
• Chemical and petrochemical manufacturing
• Power generation and distribution control
• Large-scale discrete and process automation architectures

Technical Specifications

Installation Guidelines

• Handling: This module contains sensitive electronic components. Use proper ESD (Electrostatic Discharge) protection when handling.
• Mounting: Designed for installation in a standard Series 90-70 rack. Ensure the module is fully seated in the backplane connector before securing the locking screws.
• Power: Always ensure the rack power supply is turned off before inserting or removing the CPU module to prevent electrical damage.
• Grounding: Ensure the rack assembly is properly grounded to the cabinet chassis to minimize EMI/RFI interference.
• Environment: Maintain ambient operating temperatures between 0 and 60 deg C. Ensure adequate ventilation within the control panel to prevent overheating.

FAQ

Is the IC697CPM925 compatible with existing Series 90-70 I/O?

Yes, this CPU supports both legacy IC660/IC661 and standard IC697 I/O modules, allowing for flexible integration into existing system architectures.

How is the memory protected during power loss?

The unit features 1 Mbyte of battery-backed user logic RAM, which preserves the program and data during power cycles. It is recommended to monitor the battery status LED to ensure timely replacement.