The GE IC697CPU771 is a high-performance single-slot central processing unit (CPU) module for the GE Fanuc Series 90-70 PLC platform. It is designed to execute real-time industrial control logic, machine automation tasks, and process control operations with high stability and deterministic scan performance.
This CPU is widely used in manufacturing systems, material handling, utilities, and legacy SCADA infrastructures, where reliable long-term operation and expandable I/O control are required. Its architecture makes it a strong choice for both new maintenance support and system upgrades in installed GE automation bases.
Technical Specifications
The IC697CPU771 provides stable processing power with flexible system expansion capability.
| Parameter | Specification |
|---|---|
| Model | IC697CPU771 |
| Product Type | PLC CPU Module |
| Series | GE Fanuc Series 90-70 |
| Processor | 80C186 |
| Clock Speed | 12 MHz |
| Architecture | 16-bit control with floating-point support |
| Memory | 512 KB battery-backed CMOS RAM |
| Memory Expansion | Up to 512 KB additional RAM |
| I/O Capacity | Up to 2,000 discrete I/O points |
| Analog Capacity | Up to 8,000 analog I/O points |
| Execution Speed | ~0.4 µs per Boolean instruction |
| Communication | RS-422 / RS-485 serial port |
| Ethernet Support | Via external communication modules |
| Backplane | VME C.1 standard architecture |
| Programming | Logicmaster / VersaPro / Proficy Machine Edition |
| Slot Requirement | Single-slot rack module |
The module is designed for scalable industrial control systems requiring both discrete and analog signal handling.
Physical Dimensions & Weight
| Parameter | Value |
|---|---|
| Dimensions (L × W × H) | ≈ 263 mm × 58 mm × 28 mm |
| Weight | ≈ 0.45 kg – 1.0 kg |
Its compact single-slot design allows direct installation into standard GE Series 90-70 racks such as CHS750, CHS790, and CHS791 systems.
Recommended Related Models
IC697CPU771 is commonly used with:
- GE IC697CHS790 PLC Rack
- GE IC697PWR711 Power Supply Module
- GE IC697BEM713 Bus Transmitter Module
- GE IC697BEM731 Genius Bus Controller
- GE IC697CMM711 / CMM712 Communication Modules
- GE IC697CMM741 Ethernet Interface Module
These components form a complete GE 90-70 distributed control system architecture.
Popular GE Series 90-70 CPU Modules
- IC697CPU731 – Entry-level 12 MHz CPU
- IC697CPU732 – Standard industrial CPU
- IC697CPU771 – Expandable mid-range CPU
- IC697CPU772 – High-performance CPU
- IC697CPM915 – Floating-point advanced CPU
These CPUs are widely used in long-life industrial automation systems requiring stable deterministic control.
