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Product Model: IC697CGR772-AA
Product Brand: GE Fanuc / Emerson Automation
Product Series: Series 90-70
Product Features:
• Fault-tolerant hot standby CPU with dual bus architecture for high system uptime.
• Fast processing via embedded 96 MHz 80486DX4 microprocessor with 0.4 μs boolean execution time.
• Extensive I/O support: 2048 discrete inputs, 2048 discrete outputs, up to 8K analog I/O.
• Wide compatibility with IC660/IC661/IC697 I/O modules for flexible automation configurations.
Technical Specifications Table
| Specification | Detail |
|---|---|
| Model | IC697CGR772-AA |
| Series | GE Fanuc Series 90-70 |
| Processor | 80486DX4 @ 96 MHz |
| Boolean Execution | 0.4 µs per function |
| Memory | 512 KB battery-backed CMOS RAM |
| Discrete Inputs | Up to 2048 |
| Discrete Outputs | Up to 2048 |
| Analog I/O | Up to 8000 |
| Communication Ports | 1× RS-232, 2× RS-485 |
| Protocol Support | GE SNP |
| Power | 5 V DC @ ~3.1 A |
| Operating Temp | 0 °C to 50 °C |
| Status Indicators | Module OK, RUN, EN, P1, P2, P3, MEM Protect |
- IC697CGR772-AA
Product Role & System Fit
At its core, the IC697CGR772-AA is a hot standby, dual bus CPU module intended for redundancy applications in PLC systems. Unlike a standard standalone controller module, this CPU is engineered to operate as part of a dual-CPU arrangement in which one unit actively manages control logic while another stands ready to take over with minimal disruption if the active unit fails. This architecture is indispensable in systems where control continuity and fault tolerance are non-negotiable.
Compatibility within the GE ecosystem is a defining strength. The controller integrates seamlessly with GE Fanuc and Emerson I/O families — including IC660, IC661, and IC697 cards — allowing engineers to assemble tailored I/O configurations without sacrificing system coherence. In redundant architectures, synchronization between primary and secondary CPUs is maintained continuously, supported by hardware-level communication and status LEDs that provide at-a-glance health checks on system status.
Another noteworthy aspect of how this module fits into larger automation systems is its communication flexibility. Equipped with serial interfaces supporting RS-232 and RS-485 protocols, the CPU can serve as both a control authority and a communication bridge to operator interfaces, HMIs, and remote diagnostics systems. This breadth of connectivity is essential in large plants where data exchange across networks is critical for supervisory control and data acquisition (SCADA) integration.
Because of its processing capabilities and memory architecture, the IC697CGR772-AA is often deployed in hybrid legacy-modern systems where newer PLC elements must integrate with older machinery still in operation. This adaptability extends system life and provides a migration path toward newer automation standards without operational interruption
Related Models
• IC697CGR772-CA – Alternate revision with upgraded firmware and extended lifecycle support.
• IC697CGR772-EA – Enhanced variant optimized for higher I/O density.
• IC697CGR772-FA – Factory-tested module with updated diagnostics LED logic.
• IC697CGR772-GA – Revised hardware series with improved thermal tolerance.
• IC697CPU780 – High-performance non-redundant CPU in the Series 90-70 lineup.
• IC697RCM711 – Redundancy Communication Module required for dual CPU setups
• IC697BEM713 – Bus transmitter module used in redundant bus architectures.
• IC697ACC702 – Terminator plug essential for backplane signal integrity
