Product Overview

The GE IC693CPU352 is a central processing unit (CPU) module designed for the GE Fanuc Series 90-30 Programmable Logic Controller (PLC) platform. It serves as the main processing component of a compatible PLC system, executing control logic, managing data, and coordinating communication with connected automation equipment.

Equipped with a 25 MHz 80386EX processor, the module supports industrial control applications that require dependable logic execution and flexible system expansion. It can operate with a CPU baseplate and up to seven additional expansion or remote baseplates, allowing users to configure an automation system according to their input, output, and communication requirements. <Cite refs={["turn159890search12","turn159890search13"]}/>

For manufacturers maintaining established production lines, the IC693CPU352 provides a practical option for servicing existing Series 90-30 installations. Sourcing the correct replacement CPU can help reduce downtime and preserve the original control architecture without requiring an immediate system-wide upgrade.

Technical Specifications

Main Functions and Features

Reliable PLC Processing

The CPU executes the control program that governs connected industrial equipment. It evaluates logic conditions, processes internal data, and updates control decisions according to the programmed sequence.

This processing capability supports applications such as machine sequencing, equipment interlocking, production coordination, and process monitoring. Actual performance depends on the complexity of the control program and the overall PLC configuration.

Flexible Memory Configuration

The module provides program and data-memory capabilities for a range of control tasks. With firmware Release 9.0 or later, the documented maximum user program memory reaches 240 KB. Earlier firmware versions support a different memory limit.

Because configured register and analog data areas affect the memory available for user logic, engineers should review the existing project configuration before replacing the CPU or changing firmware.

Expandable System Architecture

A Series 90-30 system can use up to eight baseplates in total, including the CPU baseplate. Additional expansion or remote baseplates allow the PLC to support a larger collection of I/O modules and other compatible components.

This architecture helps users adapt an established control system to the needs of a particular machine or process. However, the selected baseplates, modules, power supply, and communication hardware must all be compatible with the intended configuration.

Serial Communication Support

The CPU supports serial communication for exchanging data with compatible industrial devices. Depending on the port and configuration, supported functions include SNP/SNPX and RTU-related communication. Additional network protocols may require optional communication modules.

This flexibility helps integrate PLC control with operator interfaces, supervisory systems, and other automation equipment. Engineers should confirm the required protocol, interface wiring, and software settings before commissioning.

Floating-Point Calculations

The CPU352 supports floating-point calculations through its built-in math coprocessor, helping the PLC handle numerical operations that involve decimal values. Such calculations can be useful in measurement processing, engineering calculations, and control algorithms.

The availability and behavior of particular functions should be checked against the installed firmware and programming environment.

Industrial Applications

The GE IC693CPU352 can be used in compatible Series 90-30 PLC installations across a variety of industrial sectors.

Manufacturing and assembly lines: The CPU executes machine sequences, coordinates production steps, and processes input signals from sensors and switches.

Packaging and material handling: It can support control logic for conveyors, packaging machinery, and related equipment when the application matches the capabilities of the installed PLC system.

Process automation: In suitable configurations, the module manages control logic and exchanges data with field I/O and supervisory equipment.

Utilities and infrastructure: Industrial facilities may use established Series 90-30 systems to manage auxiliary equipment, monitoring functions, and supporting processes.

Legacy equipment maintenance: For plants that continue to operate existing GE Fanuc PLCs, sourcing a compatible CPU can help extend the service life of installed machinery and avoid unnecessary changes to validated control programs.

These examples describe potential applications rather than guaranteeing compatibility with every machine or process.

Installation and Maintenance Guidelines

Correct identification and installation are essential when replacing a PLC processor.

Before purchasing, compare the model number and hardware revision with the installed CPU. Review the baseplate type, firmware version, program backup, memory configuration, and communication requirements. A matching model number alone does not guarantee that a replacement can be commissioned without further configuration checks.

Before handling the module, follow the equipment manufacturer's isolation procedures and use suitable electrostatic-discharge precautions. Install the CPU in the designated baseplate slot and verify that it is properly seated.

After installation, qualified personnel should confirm the power supply, CPU status indicators, communication links, and PLC operating mode. Restore the control program and configuration as required, then test the relevant I/O points and machine interlocks before returning the equipment to normal operation.

Routine maintenance should include checking diagnostic messages, keeping a verified copy of the control program, and documenting changes to hardware or firmware. These practices can make future troubleshooting and replacement work more efficient.

Why Choose Our Company for GE PLC Spare Parts?

Our company specializes in industrial automation components and spare parts for customers maintaining production equipment and established control systems.

We understand that finding a suitable replacement CPU is often time-sensitive, especially when a PLC failure affects an entire production line. Our team supports customers with product identification and sourcing for a wide range of industrial automation components.

• Industry experience: We have long-term experience in industrial control and automation spare parts.

• Broad sourcing capabilities: We handle common products as well as hard-to-find and discontinued components.

• Competitive pricing: We aim to provide cost-effective solutions for industrial maintenance projects.

• Quality assurance: We support product identification and condition checks appropriate to the supplied item.

• 15-day replacement support: Qualifying quality problems are eligible for free replacement within 15 days, subject to agreed terms and verification.

Availability, product condition, delivery time, and warranty terms should be confirmed when requesting a quotation.