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- IC697MEM731
- Memory Expander
- USA
- 233 × 41 × 152 mm
- 0.45 kg
- Xiamen, China
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Product Overview
The GE IC697MEM731 Memory Expander is a high-capacity memory expansion module engineered for the GE Fanuc Series 90-70 PLC platform. Designed to significantly increase the memory resources available to compatible CPU modules, the IC697MEM731 enables industrial controllers to execute larger control programs, manage more process data, and support increasingly sophisticated automation applications.
Modern industrial control systems often require expanded memory to accommodate complex ladder logic, structured programming, communication protocols, recipe management, historical data logging, alarm processing, and diagnostic functions. The IC697MEM731 provides an efficient solution by extending the controller’s program and data memory while maintaining seamless integration with the Series 90-70 architecture.
Manufactured with industrial-grade electronic components, the module delivers reliable data retention, fast memory access, and long-term operational stability under demanding production conditions. Its rugged construction ensures dependable operation in environments exposed to vibration, electrical noise, and continuous-duty industrial cycles.
With dimensions of 233 × 41 × 152 mm and an approximate weight of 0.45 kg, the IC697MEM731 provides substantial memory expansion while maintaining a compact rack-mounted design suitable for industrial control cabinets.
Typical applications include automotive manufacturing, power generation, oil and gas processing, chemical production, water and wastewater treatment, mining operations, pharmaceutical manufacturing, food and beverage processing, material handling systems, and large-scale industrial automation projects.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | GE Fanuc |
| Model | IC697MEM731 |
| Product Type | Memory Expander Module |
| PLC Platform | GE Fanuc Series 90-70 |
| Primary Function | PLC Memory Expansion |
| Memory Function | Program and Data Memory Expansion |
| Installation Method | Rack-Mounted Module |
| Communication Interface | High-Speed Internal PLC Bus |
| Data Integrity | Industrial Memory Protection |
| Cooling Method | Natural Air Convection |
| Installation Environment | Industrial Control Cabinet |
| Dimensions | 233 × 41 × 152 mm |
| Weight | Approximately 0.45 kg |
Function and Working Principle
The IC697MEM731 increases the available memory capacity of compatible Series 90-70 CPU modules, allowing the controller to execute larger automation programs while storing additional process information and operational data.
Typical Memory Architecture
Engineering Workstation
↓
GE Fanuc Series 90-70 CPU
↓
IC697MEM731 Memory Expander
↓
Expanded Program Memory
↓
Expanded Data Storage
↓
Industrial Automation System
During controller operation, the CPU continuously accesses the expanded memory for executing user applications, managing communication buffers, storing process variables, recording diagnostics, and maintaining system data.
Primary operating functions include:
- PLC memory expansion
- Increased application capacity
- Expanded process data storage
- Enhanced communication buffer allocation
- Support for complex automation logic
- Reliable data retention
- Stable CPU communication
- High-speed memory access
- Continuous industrial operation
- Improved controller scalability
These capabilities allow engineers to implement larger and more advanced automation systems without compromising controller performance.
Role in Industrial Control Systems
Within a GE Fanuc Series 90-70 automation system, the IC697MEM731 serves as a dedicated memory expansion module that extends the controller’s capability to handle complex industrial applications.
Typical automation architecture:
Industrial Sensors
↓
Digital and Analog I/O Modules
↓
GE Fanuc Series 90-70 CPU
↓
IC697MEM731 Memory Expander
↓
Expanded Control Program
↓
Industrial Equipment
The additional memory enables the controller to manage larger control strategies, advanced communication functions, extensive diagnostics, and increased operational data.
Industrial Applications
Manufacturing Automation
Typical applications include:
- Automotive production lines
- Robotic assembly systems
- Packaging machinery
- Conveyor automation
- CNC machining centers
Process Industries
Suitable for:
- Chemical processing plants
- Petrochemical facilities
- Oil and gas production
- Cement manufacturing
- Pulp and paper mills
Power Generation
Frequently installed in:
- Turbine control systems
- Generator auxiliary controls
- Boiler automation
- Electrical distribution systems
- Plant monitoring applications
Water and Wastewater Treatment
Ideal for:
- Pump stations
- Filtration systems
- Chemical dosing equipment
- SCADA integration
- Remote monitoring systems
Material Handling
Common applications include:
- Automated warehouses
- Conveyor systems
- Crane automation
- Sorting equipment
- Logistics distribution centers
Food and Beverage Processing
Widely used in:
- Filling machines
- Packaging systems
- Mixing equipment
- Conveyor automation
- Production monitoring
Installation and System Integration
Before installation, engineers should verify:
- CPU compatibility
- Rack slot availability
- Memory expansion requirements
- PLC firmware version
- Power supply capacity
- Module condition
- Backplane integrity
- Cabinet ventilation
- Environmental operating conditions
- Backup of the PLC application
Recommended Installation Procedure
- Disconnect system power.
- Back up the PLC application.
- Verify CPU and rack compatibility.
- Install the IC697MEM731 into the designated rack slot.
- Secure the module properly.
- Inspect module seating and connections.
- Restore system power.
- Verify module recognition by the CPU.
- Confirm expanded memory capacity.
- Download the PLC application if required.
- Perform diagnostic testing.
- Complete commissioning.
Proper installation ensures reliable communication between the CPU and memory expansion module while maximizing long-term system performance.
Compatible System Components
| Component | Function |
|---|---|
| GE Fanuc Series 90-70 CPU | PLC program execution |
| IC697MEM731 | Memory expansion |
| Power Supply Module | System power |
| Digital Input Modules | Signal acquisition |
| Digital Output Modules | Equipment control |
| Analog I/O Modules | Process monitoring |
| Ethernet Communication Module | Industrial networking |
| Genius Bus Controller | Distributed I/O communication |
| HMI Panel | Operator interface |
| SCADA System | Plant supervision |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| IC697MEM731 | Memory Expander | High-capacity PLC memory expansion |
| IC697MEM719 | Memory Expander | Advanced memory expansion |
| IC697MEM717 | Memory Expander | Enhanced memory capacity |
| IC697CPU772 | CPU Module | High-performance automation |
| IC697CHS790 | PLC Rack | Series 90-70 rack expansion |
Key Advantages
- Fully compatible with GE Fanuc Series 90-70 PLC systems
- Expands available PLC memory resources
- Supports larger automation applications
- Increases process data storage capacity
- High-speed internal CPU communication
- Reliable industrial-grade memory technology
- Rack-mounted modular design
- Easy installation and maintenance
- Suitable for complex industrial automation projects
- Long-term operational reliability
- Dimensions 233 × 41 × 152 mm
- Approximate weight 0.45 kg
Technical FAQs
What is the GE IC697MEM731?
The IC697MEM731 is a memory expansion module designed to increase the available program and data memory of compatible GE Fanuc Series 90-70 PLC controllers.
What is its primary function?
Its primary function is to expand PLC memory capacity, enabling larger control programs, additional data storage, improved communication capabilities, and advanced diagnostics.
What are the physical dimensions?
The module measures 233 × 41 × 152 mm.
What is the approximate weight?
The module weighs approximately 0.45 kg.
Which PLC platform is compatible?
The IC697MEM731 is designed for compatible GE Fanuc Series 90-70 PLC systems.
Why is additional PLC memory important?
Additional memory enables controllers to execute more complex automation programs, manage larger databases, process additional communication tasks, and improve overall system flexibility.
Which industries commonly use this module?
It is widely used in manufacturing, oil and gas, power generation, mining, chemical processing, pharmaceuticals, water treatment, food and beverage production, logistics, and process automation.
Where is the IC697MEM731 installed?
The module is installed in a compatible GE Fanuc Series 90-70 PLC rack, where it communicates directly with the CPU through the high-speed backplane.
Does installing the module affect existing PLC programs?
Existing PLC programs generally remain compatible, although engineers should verify controller configuration and available memory after installation.
Is the IC697MEM731 suitable for continuous industrial operation?
Yes. The module is designed for reliable 24/7 operation in demanding industrial environments requiring long-term memory stability and dependable automation performance.
Conclusion
The GE IC697MEM731 Memory Expander is a reliable and high-capacity memory expansion solution for GE Fanuc Series 90-70 PLC systems. By extending available program and data memory, it enables controllers to support larger automation projects, more advanced process control strategies, enhanced diagnostics, and expanded communication capabilities.
With compact dimensions of 233 × 41 × 152 mm and an approximate weight of 0.45 kg, the IC697MEM731 integrates easily into existing Series 90-70 PLC racks while delivering dependable long-term performance. When used with compatible CPU modules, I/O systems, communication processors, HMIs, and SCADA platforms, it improves controller scalability, enhances system efficiency, and supports reliable industrial automation across a wide range of industries.