Archive the program
Save the complete ladder program and record I/O references, timers, counters and any commissioning values before removal.
Series Three CPU and Programming
GE Fanuc IC630CPU301 Series Three CPU/Programmer Unit
The Series Three CPU/programmer assembly with 4K words of user memory and an integrated operator programming interface.
Product Description
IC630CPU301 is the GE Fanuc Series Three CPU/Programmer Unit. It executes the controller program, coordinates the Series Three I/O scan and provides the front programming and operating interface associated with this compact legacy PLC platform.
The official ordering guide identifies the unit with 4K words of memory. In a working system, the CPU is paired with the correct Series Three base and power supply, and its application depends on the installed I/O reference allocation, timer/counter data, operating mode and retained program.
A replacement should not be installed from the catalog number alone. Record the alpha revision, memory and program status, mode-switch position, base wiring, power-supply type and connected programming or communication equipment. Create a verified program record before disturbing an operating CPU whenever the installed unit still permits access.
Technical Specifications
| Brand | GE Fanuc |
|---|---|
| Model | IC630CPU301 |
| Product Type | Series Three CPU/Programmer Unit |
| Country | United States |
| System Family | Series Three PLC |
| User Memory | 4K words |
| Primary Function | Executes user logic and coordinates the Series Three I/O system |
| Programming Interface | Integrated CPU/programmer operator interface |
| System Hardware | Used with a Series Three base unit and compatible power supply |
| I/O Operation | Scans addressed Series Three input and output modules through the base/backplane |
| Service Records | Program, I/O allocation, timer/counter values, operating mode and alpha revision |
| Communication Expansion | Can interface with the Series Three DCM through the documented CPU cable and power arrangement |
Control and Programming Functions
The CPU solves the stored ladder program and updates the Series Three input and output references each scan.
The integrated programming interface supports operator access to program instructions, monitored values and controller modes for the installed Series Three application.
The 4K-word memory capacity is part of the exact CPU identity and should be checked against the saved program before replacement.
Communication accessories such as the Series Three DCM add serial functions but do not replace the need for the correct CPU/base/power-supply combination.
Replacement and Program Restoration
Identify the hardware
Record the IC630CPU301 alpha revision, base-unit size, power-supply catalog number and every connected programmer or communication cable.
Install with power removed
Seat the CPU/programmer assembly in the documented Series Three position without forcing connectors or disturbing adjacent I/O wiring.
Restore and prove
Load the verified program, check controller mode and diagnostics, then validate the I/O sequence with machinery placed in a controlled state.
Product FAQ
How much memory does IC630CPU301 provide?
The official ordering guide identifies IC630CPU301 as a CPU/Programmer Unit with 4K words of memory.
What should be saved before replacing IC630CPU301?
Save the ladder program and record I/O allocation, timer/counter values, operating mode, CPU revision and connected communication hardware.
Does IC630CPU301 operate without a Series Three power supply and base?
No. The CPU/programmer is part of a rack system and requires the compatible base/backplane and power supply.
Why is the alpha revision important for IC630CPU301?
Legacy CPU revisions can differ in firmware behavior and supported features. Preserve the full nameplate rather than reducing the record to the base catalog number.
How should IC630CPU301 be commissioned after program restoration?
Confirm diagnostics and mode, monitor the restored logic, then prove inputs, outputs and machine sequences incrementally with hazards controlled.
Moore Automation
Automation Supply Advantages
Moore Automation combines a broad industrial control product range with service commitments aimed at maintenance and spare-part requirements. Customers can enquire about mature and current hardware across several automation categories.
The stated advantages are 100% original products, fast delivery, a one-year warranty and a 12-hour online response.
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