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Product Model: GE IC697CGR772
Product Brand: GE Fanuc / GE Intelligent Platforms (Emerson)
Product Series: Series 90-70 PLC Controllers
Product Features:
• Hot standby, dual bus CPU module for redundancy and continuous PLC control.
• 96 MHz 80486DX4 processor with 32-bit floating-point capability and fast Boolean execution.
• Supports up to 2048 discrete I/O and 8000 analog I/O capacity.
• Multiple serial interfaces (1× RS-232, 2× RS-485) with SNP protocol support and battery-backed memory.
Technical Specifications
| Specification | Detail |
|---|---|
| Product Model | GE IC697CGR772 |
| Brand | GE Fanuc / GE Intelligent Platforms (Emerson) |
| Series | Series 90-70 PLC Controllers |
| Module Type | Hot Standby Dual Bus CPU |
| Processor | Intel 80486DX4 @ 96 MHz |
| Boolean Execution Time | ~0.4 µs per Boolean function |
| Scan Time (Typical) | ~5.9 ms |
| User Memory | 512 KB battery-backed CMOS RAM |
| Discrete I/O Capacity | Up to 2048 points |
| Analog I/O Capacity | Up to 8000 points |
| Communication Ports | 1 × RS-232; 2 × RS-485 (SNP) |
| Supported Protocols | SNP |
| Redundancy | Hot standby with bumpless switching |
| LED Indicators | Module OK, RUN, EN, P1, P2, P3, MEM Protect |
| Operating Voltage | 5 V DC |
| Current Consumption | ~3.1 A |
| Program Memory Protection | Switch/key protect options |
- IC697CGR772
Product Role & System Fit
The GE IC697CGR772 occupies a central role in complex industrial automation systems built around the Series 90-70 PLC platform. It is a Hot Standby, dual bus CPU module, engineered to maintain continuous process control and operational availability even in the event of hardware failure. This redundancy capability makes it ideal for mission-critical applications where downtime is unacceptable — such as manufacturing plants, utilities, and materials handling systems.
Within the Series 90-70 architecture, the IC697CGR772 replaces or pairs with another identical CPU module to form a redundant pair. The two CPUs synchronize their states over dual Genie communication buses so that if one fails, the system can automatically switch to the backup CPU with minimal disruption (often called bumpless switching). This level of fault tolerance is vital in environments where a single point of failure could cause costly interruptions or safety risks.
Because the module integrates into standard Series 90-70 backplanes, it works seamlessly with existing I/O modules — including discrete and analog I/O, as well as remote I/O interfaces — enabling large-scale control systems without requiring a complete overhaul of installed hardware.
