The General Electric IC697CGR772 is a high-performance Central Processing Unit (CPU) module designed for the Series 90-70 Programmable Logic Controller (PLC) platform. Engineered for critical industrial environments, this module features a 96 MHz 80486DX4 microprocessor and supports 32-bit floating-point calculations, making it suitable for complex real-time control of machinery, material handling systems, and process automation.

Features

• Designed specifically for hot-standby CPU redundancy applications to eliminate single points of failure.
• Features a 96 MHz 80486DX4 microprocessor with a Boolean execution time of 0.4 microseconds.
• Equipped with 512 Kbytes of battery-backed fast CMOS RAM.
• Provides support for up to 2048 discrete inputs, 2048 discrete outputs, and 8000 analog I/O points.
• Compatible with the full range of IC697 family I/O modules, as well as IC660/IC661 I/O products via bus controllers.
• Includes a three-position Run/Stop switch and a memory protect keyswitch for enhanced operational security.

Technical Specifications

Applications

• CPU Redundancy: Enables bumpless transfer and automatic synchronization in high-availability systems.
• Water & Waste Management: Monitoring pump status and tank level alarms.
• Manufacturing: Control of injection molding, mining, and food processing lines.
• Infrastructure: Large-scale HVAC monitoring and elevator control systems.

Installation Guidelines

• Ensure the PLC rack is powered down before inserting or removing the CPU module to prevent electrical damage.
• The module occupies a single slot in the IC697 backplane (compatible with IC697CHS750, 790, 791).
• Ensure proper grounding of the rack assembly to minimize electromagnetic interference (EMI).
• Handle the module using ESD-safe practices to protect sensitive internal components.
• Verify that the battery for the CMOS RAM is installed and functional to maintain program memory during power cycles.

FAQs

What is the primary function of the IC697CGR772?

The IC697CGR772 is a CPU module designed for hot-standby redundancy in Series 90-70 PLC systems, providing fault tolerance and high availability for critical industrial processes.

Does this module support floating-point math?

Yes, the IC697CGR772 is capable of 32-bit floating-point calculations, allowing it to handle complex mathematical operations required for advanced process control.

Can this module be used with existing IC697 I/O?

Yes, it is fully compatible with the IC697 family of discrete and analog I/O modules, as well as various specialty and communication modules.