GE Fanuc IC693CPU350-BC

Product Overview

The GE Fanuc IC693CPU350-BC is a single-slot CPU module designed for the Series 90-30 programmable logic controller platform. It serves as the central processing unit of a modular automation system, handling user logic, I/O processing, sequencing, data management, and machine-control operations.

This CPU version is built around a 25 MHz 80386EX processor and provides 32 KB of non-configurable user program memory. Historical GE Fanuc documentation identifies this hardware revision with firmware release 9.01 support and describes enhanced floating-point functionality introduced in the same firmware generation.

Core Specifications

• Product family: GE Fanuc Series 90-30
• Module type: Single-slot CPU
• Processor: 80386EX
• Processor speed: 25 MHz
• User program memory: 32 KB
• Typical scan rate: 0.22 ms per 1K of Boolean logic
• Maximum baseplates: 8 total
• Discrete inputs: Up to 2,048 points
• Discrete outputs: Up to 2,048 points
• Operating temperature: 0 to 60°C ambient
• Power requirement: 670 mA from the +5 VDC supply

Control and Communication Functions

The processor is intended to coordinate the different components installed in a Series 90-30 control architecture. It can manage discrete and analog data while executing programmed automation logic.

Communication is handled through the PLC power supply interface for the built-in serial connection. The documented communication environment supports SNP and SNP-X protocols. Additional communication capabilities can be added through compatible Series 90-30 communication modules.

Typical Industrial Applications

This type of controller is suitable for established automation systems where reliable PLC processing is required. Typical applications can include:

• Machine automation
• Material handling equipment
• Packaging systems
• Production-line control
• Process sequencing
• Motor and actuator coordination
• Legacy factory automation systems

Its single-slot design is useful when maintaining an existing control rack while replacing a failed processor without redesigning the complete PLC architecture.

Replacement and Maintenance

When replacing an existing processor, technicians should verify the exact catalog number, hardware revision, firmware compatibility, rack configuration, and installed communication modules before installation. The documented BC version belongs to a specific hardware and firmware generation, so matching the revision is important for legacy equipment.

As an obsolete-generation controller, this product is commonly considered for maintenance stock, system repair, and replacement of existing Series 90-30 equipment rather than for new PLC projects. A suitable replacement should always be evaluated against the original application's program, I/O requirements, and communication architecture.

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