GE IC697CPU771K CPU Module: High-Performance Processing for Series 90-70 Systems

This CPU module serves as the central processing unit for GE Fanuc Series 90-70 programmable logic controllers. It features an embedded 80C186 microprocessor running at 12 megahertz for efficient program execution. Automation engineers choose this processor for its fast Boolean execution and robust system performance.

Technical Specifications and Physical Design

The GE IC697CPU771K occupies a single slot within Series 90-70 rack assemblies. Its 80C816DX microprocessor delivers Boolean execution speeds of 0.4 microseconds per function. The unit weighs approximately 0.45 kilograms, fitting compactly into standard PLC chassis configurations. An onboard battery provides memory backup to preserve user programs and system data.

Processing Architecture and Execution Speed

This CPU module executes Boolean logic at 0.4 microseconds per function for rapid program scanning. Its 12 megahertz clock speed ensures responsive control of industrial processes. The processor supports floating point math, enabling complex calculations within user applications. Such performance makes it suitable for demanding automation tasks.

Memory Capacity and System Integration

The module supports up to 512 kilobytes of RAM for extensive user program storage. It accommodates 2 kilobytes of discrete I-O memory and 8 kilobytes of analog I-O memory. A single RS-485 serial port provides communication connectivity for programming and networking. Many facilities rely on this Series 90-70 processor for their core automation infrastructure.