The GE IC697CPM790 is a high-performance, single-slot CPU module in the GE Fanuc Series 90-70 PLC platform. It is specifically designed for safety-critical and high-reliability automation systems, including Emergency Shutdown (ESD), fire & gas detection, and Triple Modular Redundancy (TMR) architectures.
Built around a powerful 64 MHz processor, this CPU delivers deterministic control, fast execution cycles, and robust system redundancy support, making it a trusted core controller in mission-critical industrial environments such as oil & gas, power generation, and large-scale process industries.
Technical Specifications
The IC697CPM790 is engineered for high-speed processing and redundant system control.
| Parameter | Specification |
|---|---|
| Model | IC697CPM790 |
| Product Type | PLC CPU Module |
| Series | GE Fanuc Series 90-70 |
| Processor | 64 MHz Intel 80486DX2 |
| Architecture | 32-bit floating point CPU |
| Memory | 1 MB battery-backed CMOS RAM |
| Usable User Memory | Up to 512 KB application program |
| Control System | Triple Modular Redundancy (TMR) support |
| I/O Capacity | Up to 12K discrete I/O (simplex mode) |
| Analog Capacity | Up to 8K analog I/O (simplex mode) |
| Execution Speed | ~0.4 µs per Boolean instruction |
| Communication | Serial RS-485 / backplane communication |
| Programming | Windows / MS-DOS based PLC software |
| Operation Modes | RUN / STOP / REMOTE mode switch |
| Security | Password protection + memory keyswitch |
This CPU is widely recognized for its fault-tolerant control capability and deterministic real-time execution performance.
Physical Dimensions & Weight
| Parameter | Value |
|---|---|
| Dimensions (L × W × H) | 210 mm × 230 mm × 50 mm |
| Weight | ≈ 0.6 kg – 0.8 kg |
Its compact single-slot design allows seamless installation into standard GE Series 90-70 racks such as CHS750, CHS790, CHS791, and related chassis systems.
Recommended Related Models
For a complete redundant control system, IC697CPM790 is typically paired with:
- GE IC697CHS790 PLC Rack
- GE IC697PWR711 Power Supply Module
- GE IC697BEM713 Bus Transmitter Module
- GE IC697BEM731 Genius Bus Controller
- GE IC697RCM711 Redundancy Communication Module
- GE IC697MDL Series I/O Modules
Together, these components form a fully redundant, safety-oriented PLC architecture.
Popular GE Series 90-70 CPU & Control Modules
- IC697CPU772 – Standard high-performance CPU
- IC697CGR935 – Hot standby redundant CPU
- IC697CPU780 – General-purpose control CPU
- IC697CPM790 – TMR safety-critical CPU
- IC697BEM731 – Fieldbus communication module
These CPUs are widely used in high-availability industrial automation systems requiring continuous uptime.
