The GE Fanuc IC600LX612L is a robust memory expansion module designed for the Series Six family of Programmable Logic Controllers (PLCs). This specific module provides critical storage capacity for user logic, register data, and system configuration, ensuring high-speed execution and reliability in demanding industrial environments.
Technical Specifications & Datasheet
General Parameters
- Manufacturer: GE Fanuc (Now GE Automation & Controls)
- Model Number: IC600LX612L
- Series: Series Six (6)
- Memory Type: CMOS RAM / Lithium Battery Backed
- Capacity: Standard 8K – 16K (Configuration dependent)
- Compatibility: Series Six Central Processing Units (CPUs)
Physical Attributes
- Dimensions: 11.5 x 7.5 x 1.2 inches (Approx.)
- Weight: 1.45 lbs (0.66 kg)
- Country of Origin: USA
- Mounting Type: Plug-in module for CPU rack
Application Fields
The IC600LX612L is widely utilized in legacy industrial systems that require stable, non-volatile memory for complex automation tasks:
- Automotive Assembly: Managing logic for robotic welding and conveyor synchronization.
- Power Generation: Reliable data logging and control sequences for turbine management.
- Water Treatment: Storing PID control loops and chemical dosing schedules.
- Food & Beverage: High-speed packaging and bottling line logic.
Product Usage Instructions
- Safety First: Ensure all power to the PLC rack is disconnected before attempting to install or remove the memory module to prevent electrostatic discharge (ESD) or short circuits.
- Battery Check: Verify that the onboard lithium battery is functional. This battery is essential for retaining data when the main power is switched off.
- Installation: Align the module with the dedicated memory slot on the Series Six CPU board. Firmly press until the connectors are fully seated.
- Configuration: Use the Logicmaster programming software to initialize the memory and allocate register space according to your application needs.
- Status Monitoring: Check the “Battery Low” LED on the CPU faceplate regularly. If lit, replace the battery on the IC600LX612L module immediately.
Q&A: Common Questions
Q: Can I replace the battery while the PLC is running? A: It is generally recommended to replace the battery while the system is powered up (to avoid data loss), but only if the module is safely accessible and local safety protocols allow.
Q: Why is my PLC failing to load the program after a power cycle? A: This is usually caused by a depleted battery on the IC600LX612L or a failure in the CMOS RAM chip itself. Check the battery voltage first.
Q: Is the IC600LX612L compatible with Series 90-30 or 90-70? A: No, this module is strictly designed for the Series Six architecture and is not interchangeable with newer Series 90 systems.
Industry News & Trends
The GE Fanuc Series Six remains a legendary platform in the automation world, often referred to as the “workhorse” of the 1980s and 90s. While GE has moved toward the PACSystems RX3i platforms, the market for components like the IC600LX612L remains highly active.
Recent industry trends show an increase in “Legacy Extension” strategies. Rather than performing a multi-million dollar “rip-and-replace” overhaul, many facilities are opting to maintain their existing Series Six systems using high-quality refurbished memory modules. This approach minimizes downtime and leverages the proven stability of the original GE hardware while integrating modern Ethernet gateways for data collection. Experts suggest that keeping spare IC600LX612L modules in stock is a critical step for risk management in aging plants.




