GE Fanuc IC697CPM790

Technical Specifications

• Processor: 64 MHz 80486DX2 microprocessor with integrated 32-bit floating-point coprocessor.
• Execution Speed: 0.4 µs per Boolean function.
• Memory:
  • 1 MB battery-backed CMOS RAM.
  • 512 KB allocated for user logic/program storage.
  • 512 KB allocated for system/data storage.
  • Firmware: Dedicated flash memory for OS, supports serial port firmware updates.
• I/O Capacity:
  • Simplex Mode: 12,000 discrete I/O points; 8,000 analog I/O points.
  • TMR Redundancy Mode: 2,048 voted discrete inputs/outputs; 1,024 voted analog inputs.
  • Supported I/O: Local/remote IC697 I/O, IC660/IC661 Fieldbus I/O.
• Communication Interfaces:
  • Port 1: RS-232 (for programming, HMI, SNP protocol).
  • Port 2: RS-422/485 (supports Modbus RTU, SNP-X, slave mode).
  • Expansion: Compatible with Ethernet (IC697CMM742) and Profibus DP modules.
  • Protocols: SNP, SRTP, Modbus RTU, GE proprietary bus protocols.
• Electrical & Physical:
  • Power Consumption: 5V DC, 3.3A (backplane-fed, single slot).
  • Dimensions: 140 mm × 110 mm × 44 mm.
  • Weight: 1.36 kg.
  • Operating Temperature: 0°C to 60°C (air-cooled); 0°C to 40°C (natural convection).
  • Certifications: cUL, UL, CE (compliant with industrial EMC and safety standards).

Key Features

1. High-Speed Processing: The 64 MHz processor and 0.4 µs Boolean speed ensure rapid execution of complex control loops and time-critical tasks.
2. GMR/TMR Redundancy: Supports triple-module redundancy (3 CPUs in 3 racks, 2-out-of-3 voting). Enables hot-swap replacement and automatic synchronization for zero-downtime maintenance.
3. Floating-Point Math: Integrated 32-bit FPU handles complex calculations for process control, motion control, and scientific applications.
4. Robust Memory Protection: Combines software password locks and a hardware key switch to safeguard programs and data from unauthorized access.
5. Real-Time Clock (RTC): Battery-backed RTC with ±3.5 seconds/day accuracy for time-stamping events and scheduling tasks.
6. Diagnostic LEDs: Four front-panel LEDs indicate power, run, fault, and communication status for quick troubleshooting.
7. Modular Compatibility: Seamlessly integrates with the Series 90-70 rack system (e.g., IC697CHS790) and a wide range of I/O and communication modules.

Application Scenarios

• Emergency Shutdown (ESD) Systems: Critical safety applications in oil/gas, petrochemical, and power generation to prevent equipment damage and hazards.
• Fire & Gas (F&G) Control: Monitoring and suppression systems in industrial facilities, refineries, and offshore platforms.
• Process Automation: Chemical reactors, batch processing, and continuous manufacturing lines requiring precise, reliable control.
• Power Generation & Distribution: Boiler protection, turbine control, and grid management in thermal, hydro, and nuclear power plants.
• Aerospace & Test Facilities: Simulator interlocks, test stand control, and precision motion systems demanding high accuracy and uptime.
• Heavy Industry: Metal processing, mining, and pulp/paper plants with high noise, vibration, and temperature environments。