Description
Product Model: IC600LX648L
Product Brand: GE Fanuc (General Electric)
Product Series: Series Six PLC Memory Modules
Product Features:
• 32K logic memory and 16K register memory — expanded storage for GE Series Six PLCs.
• Designed for GE Fanuc Series Six controllers to support larger or more complex automation logic.
• Backplane-mounted module with robust industrial reliability and long service life.
• Enables legacy system upgrades and program memory expansion without major redesign.
Technical Specifications Table
| Specification | Detail |
|---|---|
| Model | IC600LX648L |
| Brand | GE Fanuc (General Electric) |
| Series | Series Six PLC Memory Modules |
| Memory Type | Logic + Register Memory |
| Logic Memory Capacity | 32 Kilobytes (K) |
| Register Memory Capacity | 16 Kilobytes (K) |
| Module Type | LX Series Combined Memory Module |
| Backplane Compatibility | GE Fanuc IC600L / Series Six PLC Backplane |
| Operating Temperature | Industrial range (typical legacy PLC spec) |
| Mounting | Backplane slot in Series Six PLC rack |
| Weight | ~0.14 kg |
- IC600LX648L
Product Role & System Fit
In industrial automation, Programmable Logic Controllers (PLCs) are only as capable as their memory systems allow them to be. The IC600LX648L from GE Fanuc is a legacy memory expansion module designed specifically for the Series Six PLC platform — one of GE’s earliest and most enduring programmable controller architectures. With 32K of logic memory and 16K of register memory, this module enables larger control programs, more extensive data handling, and better flexibility in complex automated systems.
The Series Six platform — including CPU units, I/O modules, and memory expansion cards — was widely adopted across manufacturing, process control, and utility automation in the 1980s and 1990s. Despite its age, many industrial facilities still operate machines and control lines built around Series Six systems. In those contexts, the IC600LX648L plays a critical role by providing expanded memory for ladder logic or sequential programs without replacing the entire PLC system.
Located in the CPU rack and interfacing directly with the backplane, the IC600LX648L enhances an existing controller’s capacity to manage logic execution, variable storage, and runtime data. This becomes particularly important as control strategies become more complex — for instance, in test stands, packaging lines, sorting conveyors, or older process plants with layered control sequences.
Memory expansion modules like IC600LX648L fill the gap for maintenance engineers and system integrators who need to support operational upgrades or preserve legacy automation without transitioning to newer PLC platforms. The compatibility with Series Six racks and CPUs means these modules serve as drop-in enhancements without custom wiring or major hardware changes.




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