The GE IC697MEM719 is a high-capacity CMOS memory expansion module designed for the GE Fanuc Series 90-70 PLC platform. It is engineered to extend both program and data storage capabilities, allowing controllers to execute larger automation logic and manage more complex industrial processes without upgrading the CPU.
Positioned as one of the higher-end memory options in the 90-70 series, the IC697MEM719 is widely used in demanding automation environments where stability, scalability, and long-term system continuity are essential.
Technical Specifications Parameter Details Manufacturer GE Fanuc / Emerson Series 90-70 Series Model Number IC697MEM719 Module Type CMOS Memory Expansion Module Memory Capacity 64 KB / 128 KB / 256 KB / 512 KB (configurable variants) Memory Type CMOS RAM (battery-backed) Function Program & data memory expansion CPU Compatibility IC697CPU771 / IC697CPU772 / IC697PCM711 Installation Type Daughterboard (same slot integration) Data Retention Up to ~6 months (power-off, battery dependent) Battery Life ~10 years shelf life (typical) Operating Temperature 0°C to 60°C Storage Temperature -40°C to 85°C Dimensions (HxWxD) Approx. 3.5 × 13 × 13.5 cm Weight Approx. 0.3 kg
Recommended Related Models
IC697CPU771 High-Performance CPU
IC697CPU772 Advanced Control Processor
IC697PCM711 Programmable Coprocessor Module
IC697MEM715 Memory Expansion Module
IC697MEM717 Mid-Capacity Memory Module
Popular GE 90-70 Series Modules
IC697MDL740 Digital Output Module
IC697MDL753 High-Density Output Module
IC697MDL940 Relay Output Module
IC697BEM731 Bus Expansion Module
IC695CPU310 RX3i Controller
Applications The IC697MEM719 is commonly deployed in large-scale industrial automation systems where memory demand exceeds standard CPU capacity:
Complex manufacturing automation lines
Power generation and grid control systems
Oil, gas, and petrochemical processing plants
Large-scale material handling and logistics systems
Legacy PLC system modernization and expansion
Its high memory capacity makes it especially suitable for systems with extensive logic, historical data logging, and multi-loop process control.
Advantages
High Memory Capacity
Supports up to 512 KB, enabling advanced and data-heavy applications.
Seamless CPU Integration
Works as a daughterboard without requiring additional rack slots.
Expandable Configuration Options
Multiple memory sizes allow flexible system design.
Battery-Backed Data Retention
Helps preserve critical data during power loss scenarios.
Industrial Reliability
Designed for continuous operation in harsh industrial environments.
Efficient System Upgrade Path
Extends PLC capability without full controller replacement.
Technical FAQs 1. What is the main purpose of IC697MEM719?
It expands PLC memory for larger programs and data storage in GE 90-70 systems.
2. What is the maximum memory size?
Up to 512 KB depending on configuration.
3. Which CPUs are compatible?
Commonly used with IC697CPU771, IC697CPU772, and IC697PCM711.
4. Does it require a separate slot?
No, it installs as a daughterboard in the same module slot.
5. Can it retain data during power loss?
Yes, with battery-backed CMOS memory support.
6. What is its physical size?
Approximately 3.5 × 13 × 13.5 cm.
7. What industries use it most?
Heavy industry, utilities, manufacturing, and process automation.
8. Is it still manufactured?
It is a legacy module, typically available through industrial suppliers.
9. Does it improve CPU performance?
Indirectly, by reducing memory limitations and enabling larger programs.
10. Why is it still widely used today?
Because many installed GE 90-70 systems still rely on it for stable long-term operation.
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