GE IC630CPU301B Programmer Unit

GE IC630CPU301B

GE Fanuc Automation IC630CPU301B is a CPU/Programmer Unit designed for the GE Fanuc Series Three PLC system. It is a legacy programmable controller processor module that provides the main processing, logic execution, and programming interface functions for Series Three PLC applications.

Technical Description

• Manufacturer: GE Fanuc (General Electric Fanuc)
• Series: Series Three PLC
• Model: IC630CPU301B
• Module Type: CPU / Programmer Unit
• Memory Capacity: 4K words
• Connection: Includes 5 ft programming cable
• Function: Central processing unit responsible for PLC program execution, data handling, system control, and communication with I/O modules

The IC630CPU301B contains the PLC processor that performs the control program scan cycle:

1. Reads input signals from connected field devices
2. Executes stored ladder logic/program instructions
3. Updates output states
4. Performs system diagnostics and communication tasks

Application Range

The GE Fanuc IC630CPU301B was used in industrial automation systems such as:

• Manufacturing production lines
• Machine control systems
• Material handling equipment
• Packaging machinery
• Process automation equipment
• Legacy factory control installations

It is mainly found in older GE Series Three PLC installations where maintaining original hardware compatibility is required.

Replacement & Maintenance Notes

• The IC630CPU301B is a discontinued legacy PLC component and is typically sourced through industrial surplus suppliers, refurbished equipment providers, or automation spare-part specialists.
• When replacing this module, users should verify:
  • PLC rack compatibility
  • Existing program backup
  • Firmware/revision compatibility
  • Communication and programming requirements

Conclusion

The GE IC630CPU301B CPU Programmer Unit is a critical processor module for the GE Fanuc Series Three PLC family. Although obsolete, it remains valuable for supporting legacy automation systems where migration to newer PLC platforms is not immediately practical. Proper testing, refurbishment, and inventory management are recommended to ensure reliable operation of existing installations.