GE IC697CPU772

Product Overview

The GE FANUC IC697CPU772 is a high-performance programmable logic controller (PLC) Central Processing Unit designed for the GE Series 90-70 automation platform. As the processing core of a Series 90-70 PLC system, this CPU module executes user application programs, manages I/O operations, handles communication tasks, and provides real-time control capabilities for industrial automation processes.

The IC697CPU772 features an expandable memory architecture and floating-point calculation capability, making it suitable for applications that require reliable logic execution, data processing, and advanced control functions. With its single-slot design, the module can be easily integrated into GE FANUC rack-based PLC systems and works together with IC697 I/O modules, IC660/IC661 bus controller modules, and various communication modules.

Designed for long-term industrial operation, the GE FANUC IC697CPU772 provides a dependable control solution for manufacturing equipment, process automation systems, energy facilities, and other mission-critical industrial applications.

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Technical Specifications

The main technical characteristics of the GE FANUC IC697CPU772 include:

• Manufacturer: GE FANUC Automation
• Product Series: Series 90-70 PLC
• Model Number: IC697CPU772
• Module Type: Expandable Floating Point CPU Module
• Processor: 80C186 microprocessor
• Processor Frequency: 12 MHz
• Installation Position: Single PLC rack slot
• Boolean Execution Speed: Approximately 0.4 microseconds per Boolean function
• Digital I/O Capacity: Up to 2K inputs and outputs in any combination
• Analog I/O Capacity: Supports up to 8K analog I/O points
• Memory Expansion: Supports up to 512 KB battery-backed expansion memory
• Serial Interface: RS-422/485 compatible programmer port
• Programming Method: Software-based configuration through programming computer
• Supported I/O Systems: IC697, IC660, and IC661 series modules
• Power Consumption: Approximately 1.2 A from the 5V backplane supply

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Key Features

Floating-Point Processing Capability

One of the major advantages of the IC697CPU772 is its built-in floating-point calculation support. This capability allows the PLC to perform advanced mathematical operations required in process control, motion applications, measurement systems, and complex automation tasks.

Compared with basic logic-only controllers, the floating-point processing function enables more accurate data handling and improves system flexibility when dealing with analog signals and engineering calculations.

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Expandable Memory Architecture

The IC697CPU772 supports expandable memory configurations, allowing users to increase available program and data storage according to application requirements. Battery-backed memory protection helps maintain critical program information and system data during power interruptions.

This flexible memory structure makes the CPU suitable for both standard automation applications and larger control systems requiring additional processing resources.

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Flexible System Communication

The CPU module communicates with other PLC components through the Series 90-70 rack backplane. It supports connection with various GE FANUC communication modules, intelligent I/O modules, and industrial network interfaces.

The flexible communication design enables integration with:

• Distributed I/O systems
• Operator interfaces
• Industrial communication networks
• Supervisory control systems
• Data monitoring platforms

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Hardware Structure and Composition

The GE FANUC IC697CPU772 consists of several functional sections that work together to provide reliable PLC control performance.

Central Processing Unit

The processor section is responsible for executing PLC application programs, performing logic calculations, controlling I/O scanning operations, and managing system diagnostics.

The 80C186 processor provides stable processing performance for industrial control tasks while maintaining compatibility with the GE Series 90-70 architecture.

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Memory Module Interface

The CPU includes an expandable memory interface that supports additional CMOS memory expansion modules. The battery-backed memory system preserves user programs and important configuration data when system power is removed.

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Backplane Communication Interface

The rear connector interface allows the IC697CPU772 to communicate with modules installed in the same PLC rack. Through the backplane, the CPU exchanges control information with:

• Digital input/output modules
• Analog modules
• Communication modules
• Intelligent option modules

This modular design simplifies system expansion and maintenance.

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Status Indicators and Control Interface

The front panel includes LED indicators and control functions for monitoring operating conditions, including:

• CPU status
• Run mode
• Module health
• Output enable status

These diagnostic features help engineers quickly identify system conditions during operation and maintenance.

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Application Fields

The GE FANUC IC697CPU772 is widely used in industrial environments requiring reliable PLC-based control, including:

Manufacturing Automation

• Production lines
• Assembly equipment
• Packaging systems
• Material handling machines

Process Industries

• Chemical processing
• Water treatment systems
• Industrial production processes
• Batch control applications

Energy and Infrastructure

• Power plant auxiliary systems
• Energy monitoring equipment
• Industrial utility control

Machine Control Systems

• CNC-related automation
• Special-purpose machinery
• Equipment monitoring systems

The CPU module remains valuable in many legacy automation installations where GE Series 90-70 systems continue to provide stable control performance.

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Installation and Maintenance

Before installing the GE FANUC IC697CPU772, ensure that the PLC rack, power supply, memory configuration, and connected modules meet system requirements.

Recommended installation procedures include:

1. Switch off system power before inserting or removing the module.
2. Install the CPU into the designated rack slot.
3. Confirm the memory expansion configuration.
4. Connect the programming communication interface.
5. Verify LED status after powering up the PLC system.

For long-term operation, maintenance engineers should regularly:

• Check battery condition and replace it when necessary
• Inspect rack connectors for oxidation or looseness
• Monitor CPU diagnostic indicators
• Maintain backup copies of PLC programs
• Keep the control cabinet clean and properly ventilated

Proper maintenance helps prevent unexpected downtime and extends the service life of the automation system.

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Advantages of GE FANUC IC697CPU772

• Reliable Series 90-70 PLC control platform
• Floating-point processing support
• Expandable memory design
• Fast Boolean logic execution
• Compatible with multiple GE FANUC I/O modules
• Suitable for complex industrial control applications
• Modular rack-based architecture
• Proven long-term operational stability

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Consult now to obtain the latest technical information and quotation for GE modules!

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