Brand:GE Fanuc PLC Item No.:GE IC697MEM733 Product Origin: USA Product Dimensions:127 × 109 × 25 mm Product Weight:0.54 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The GE IC697MEM733 is a high-reliability CMOS expansion memory module designed for the GE Fanuc Series 90-70 PLC platform. It is engineered to extend controller memory capacity, enabling more complex automation programs, larger data handling, and improved execution stability in demanding industrial environments.
As a widely used 32-bit memory expansion solution, it is particularly valued in legacy systems where maintaining long-term operational continuity is more important than replacing the entire PLC architecture.
Technical Specifications
Parameter
Details
Manufacturer
GE Fanuc / Emerson
Series
90-70 Series
Model Number
IC697MEM733
Module Type
CMOS Expansion Memory Module
Memory Capacity
256 KB
Memory Architecture
32-bit CMOS SRAM
CPU Compatibility
IC697CPU780 / 781 / 782 / 788 / 789
Installation Type
Daughterboard (same slot as CPU, no extra rack required)
Data Retention
Battery-backed (system dependent)
Memory Retention Time
~6 months without power (typical)
Battery Type
Lithium battery (long-life design)
Power Requirement
5 VDC via backplane
Error Checking
CPU-driven parity and checksum verification
Operating Temperature
0°C to 60°C
Storage Temperature
-40°C to 85°C
Weight
Approx. 0.5–0.54 kg
Recommended Related Models
IC697CPU780 High-Performance CPU
IC697CPU781 Advanced Controller
IC697CPU789 Redundant CPU System
IC697MEM731 Standard Expansion Memory Module
IC697MEM732 Flash + SRAM Hybrid Memory Module
Popular GE 90-70 Series Modules
IC697MDL740 Digital Output Module
IC697MDL753 High-Density Output Module
IC697MDL940 Relay Output Module
IC697BEM733 Remote I/O Scanner Module
IC697PWR711 Power Supply Module
Applications
The IC697MEM733 is widely deployed in industrial environments requiring expanded memory for stable and complex PLC operations:
Large-scale manufacturing automation systems
Power generation and turbine control systems
Oil & gas processing and refinery control
Chemical and pharmaceutical production lines
Water treatment and utility infrastructure systems
Its 256 KB memory capacity makes it a balanced solution for systems that need more program space without moving to next-generation PLC hardware.
Advantages
Expanded Program Capacity
Increases available memory for larger and more complex PLC logic structures.
Seamless CPU Integration
Installs directly as a daughterboard without consuming additional rack space.
Reliable CMOS Architecture
Ensures stable operation with built-in parity and checksum protection.
Battery-Backed Data Retention
Preserves critical program data during power loss scenarios.
Industrial-Grade Durability
Designed for continuous operation in harsh environments.
Cost-Effective System Extension
Extends PLC lifecycle without requiring full controller replacement.
Technical FAQs
1. What is the main function of IC697MEM733?
It expands PLC memory for program and data storage in GE 90-70 systems.
2. How much memory does it provide?
It provides 256 KB of CMOS expansion memory.
3. Which CPUs are compatible?
It is used with IC697CPU780, 781, 782, 788, and 789 models.
4. Does it require a separate rack slot?
No, it installs directly as a daughterboard in the CPU slot.
5. Does it support power-loss retention?
Yes, with battery-backed CMOS memory support.
6. What happens if power is lost?
Memory is preserved for a limited time (typically up to several months).
7. Is it still manufactured?
It is a legacy module, mainly available through industrial surplus channels.
8. What industries use it most?
Manufacturing, energy, oil & gas, and process automation industries.
9. Does it improve CPU performance?
Indirectly, by reducing memory constraints and allowing 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.
