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GE IC693CPU364-FK CPU module

The GE IC693CPU364-FK CPU module is a high-performance controller for the Series 90-30 PLC family, combining PLC processing, Ethernet networking, and expandable I/O capability in a single-slot module.

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GE IC693CPU364-FK

1. Product Overview

The GE IC693CPU364-FK is a GE Fanuc Series 90-30 PLC CPU module designed for industrial automation control applications. It integrates a high-performance processor with an embedded Ethernet communication interface, providing PLC logic execution, system management, and network connectivity functions. The module is a single-slot CPU unit commonly used in legacy GE Fanuc Series 90-30 control systems.

The CPU364-FK revision belongs to the CPU364 family and provides 240 KB configurable user memory, a 25 MHz 80386EX processor, built-in Ethernet communication, and support for distributed I/O expansion.


2. Technical Parameters

Parameter Specification
Manufacturer GE Fanuc (now part of Emerson Automation)
Model IC693CPU364-FK
Product Family Series 90-30 PLC
Module Type Single-slot CPU processor module
Processor Intel 80386EX
Processor Speed 25 MHz
User Memory 240 KB (245,760 bytes)
Memory Type RAM + Flash
Typical Scan Rate 0.22 ms per 1K Boolean logic
Discrete Inputs Up to 2,048 points (%I)
Discrete Outputs Up to 2,048 points (%Q)
Internal Coils 4,096 bits (%M)
Temporary Outputs 256 bits (%T)
Global Memory 1,280 bits (%G)
Baseplates Supported Up to 8 (1 CPU rack + 7 expansion/remote racks)
Operating Temperature 0 to 60 °C
Power Consumption Approx. 1.51 A at +5 VDC
Serial Communication SNP/SNPX via power supply port
Ethernet Interface Embedded Ethernet (10BASE-T / AAUI)
   

3. Product Features

3.1 High-Speed PLC Processing

The IC693CPU364-FK uses a 25 MHz 80386EX processor, providing faster scan execution compared with earlier Series 90-30 CPUs. It supports complex ladder logic, sequencing, arithmetic operations, and process control tasks.

3.2 Integrated Ethernet Communication

The CPU includes an onboard Ethernet interface, eliminating the need for a separate communication module. It supports PLC networking, programming access, and industrial data exchange through Ethernet networks.

3.3 Flexible Memory Configuration

The 240 KB user memory can be allocated among program storage, register memory (%R), analog input (%AI), and analog output (%AQ) areas according to application requirements.

3.4 Expansion Capability

The module supports up to eight Series 90-30 baseplates, allowing expansion with additional digital I/O, analog modules, communication modules, and specialty modules.

3.5 Industrial Reliability

Designed for continuous industrial operation, the CPU provides battery-backed clock functions, Flash memory storage, fault monitoring, and robust PLC control capabilities.


4. Structural Composition

The IC693CPU364-FK mainly consists of:

  • CPU processor board
    • 80386EX microprocessor
    • System firmware
    • PLC execution engine
  • Memory system
    • RAM for operating data
    • Flash memory for firmware/application storage
  • Ethernet communication interface
    • Embedded Ethernet controller
    • Ethernet connector interface
  • Serial communication interface
    • SNP/SNPX communication through PLC power supply connector
  • Front panel indicators
    • CPU status LEDs
    • Ethernet status indicators
    • Communication status indicators
  • Backplane connector
    • Provides connection to Series 90-30 rack system

 


5. Application Fields

The GE IC693CPU364-FK is widely used in legacy industrial automation systems, including:

  • Manufacturing automation
    • Assembly lines
    • Packaging machines
    • Material handling systems
  • Process industries
    • Chemical processing
    • Water treatment
    • Energy facilities
  • Machine control
    • CNC auxiliary systems
    • Production equipment
    • Automated testing systems
  • Infrastructure systems
    • Building automation
    • Utility monitoring
    • Remote I/O control

Its Ethernet capability makes it suitable for integration with SCADA systems, HMIs, and industrial networks.


6. Advantages

  • Integrated Ethernet communication
  • Proven GE Fanuc Series 90-30 platform
  • Good compatibility with existing Series 90-30 hardware
  • Flexible memory allocation
  • Supports distributed I/O architectures
  • Reliable for long-term industrial operation

7. Conclusion

The GE IC693CPU364-FK CPU module is a high-performance controller for the Series 90-30 PLC family, combining PLC processing, Ethernet networking, and expandable I/O capability in a single-slot module. Although it is now considered a legacy product, it remains valuable for maintaining existing industrial automation installations where Series 90-30 systems are still in service.

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