GE IC693CPU372
GE IC693CPU372 - Image 2

GE IC693CPU372

  • Product Introduction: This is the flagship CPU module in the GE Fanuc 90-30 PLC family. It features 512KB of user memory, dual Ethernet ports, a hardware math coprocessor (FPU), and support for up to 4096 I/O points. The IC693CPU372 is designed for large-scale, complex automation systems requiring high-speed logic execution, extensive data handling, floating-point PID control, and redundant network architecture. It is the most powerful CPU in the 90-30 lineup.
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Category: SKU: GE IC693CPU372

Description

GE IC693CPU372

  • Technical Specifications:
    • User Memory: 512KB (expandable to 1MB with optional module)
    • Program Memory: 512KB non-volatile flash
    • Data Memory: 512KB battery-backed RAM
    • Math Coprocessor: Hardware FPU — 32-bit floating-point
    • Ethernet Ports: 2x 10/100 Mbps RJ-45
    • I/O Capacity: Up to 4096 discrete or 1024 analog points
    • Scan Time: 0.2ms per 1K words (with FPU)
    • Backplane Bus: Genius Bus, 10Mbps
    • Power Consumption: ~7W
    • Operating Temperature: 0°C to 60°C
    • Dimensions: Full-width IC693 module
  • Functional Features:
    • Largest memory in 90-30 family — supports complex programs with thousands of rungs
    • Hardware for real-time PID control, motion profiling, and data analysis
    • Dual Ethernet: programming + HMI/SCADA simultaneous operation
    • Supports Genius Bus master and slave modes
    • Supports peer-to-peer GDLR at maximum speed
    • Battery-backed RAM with 5-year lithium battery
    • 6 LED status indicators on front panel
    • Compatible with all 90-30 I/O modules
  • Application Scenarios:
    • Large process control plants (oil & gas, chemical, power generation)
    • Redundant PLC architectures with dual CPU hot-standby
    • High-speed motion control with 10+ servo axes
    • Complex batch processing with recipe management
    • SCADA integration with thousands of data points
    • DCS replacement in medium-scale plants
  • Performance Parameters:
    • Floating-Point Execution: 0.3 microseconds per operation (hardware FPU)
    • Boolean Scan: 0.2ms per 1K instructions
    • Ethernet: 10Mbps full-duplex per port
    • Genius Bus: 10Mbps, supports up to 31 modules
    • PID Loop Execution: 10ms per 16 loops (typical)
    • MTBF: >250,000 hours
  • Material Composition:
    • Housing: UL94 V-0 polycarbonate/ABS blend
    • PCB: 10-layer FR-4, gold-plated edge connector
    • Battery: 3.6V lithium, 5-year life, front-accessible
    • Ethernet: Dual RJ-45 with integrated isolation transformers
    • Isolation: 500V RMS optical isolation
  • Structural Features:
    • Full-width IC693 module (largest in the family)
    • Front panel: 6 LEDs + 2 RJ-45 ports + battery door
    • Heavy-duty backplane connector with locking mechanism
    • DIN-rail or chassis mount
  • Working Principle:
    • The main CPU handles Boolean logic and program flow. The hardware FPU offloads all floating-point calculations (PID, math functions, trigonometry). Dual Ethernet ports operate independently. The Genius Bus polls all I/O modules in the chassis. The scan cycle is extremely fast due to the FPU and large memory buffer. Battery-backed RAM preserves all data on power loss.
  • Installation Requirements:
    • IC693CHS330 or IC693ACC330 chassis (full-size rack)
    • Connect Ethernet port 1 to engineering station, port 2 to plant network
    • Use CAT5e/CAT6 shielded cable
    • Configure IP addresses on separate subnets
    • Ensure chassis power supply is rated for full load (IC693PWR330, 10A minimum)
  • Usage Precautions:
    • Replace battery every 5 years — critical for data retention
    • Do not connect both Ethernet ports to the same network segment
    • For 4096 I/O points, use remote I/O racks (Genius Bus extends to 2km with repeaters)
    • Use UPS on chassis power to prevent unexpected power loss
    • Do not hot-swap — always power down before module changes
    • For maximum reliability, implement redundant CPU configuration (IC693CPU372 + IC693CPU372 in hot-standby)

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