GE IC693CPU351-DF – Series 90-30 Single-Slot High-Performance CPU Module

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Product Introduction:

The IC693CPU351-DF, manufactured by GE Fanuc (Emerson Automation), is a high-performance single-slot CPU module designed for the GE Series 90-30 PLC system. Built around a 25MHz 80386EX processor, it delivers robust computational power, expanded memory, and extensive I/O and communication capabilities. Engineered for complex industrial automation tasks requiring fast logic execution, large program storage, and seamless network integration, it serves as the central control unit for mid-to-large-scale PLC applications.

Technical Specifications

Manufacturer: GE Fanuc (Emerson Automation)
Model: IC693CPU351-DF
Series: GE Series 90-30 PLC System
Processor: 80386EX, 25MHz clock speed
User Memory: 240KB configurable (firmware v9.0+); 80KB (pre-v9.0)
I/O Capacity:
- Discrete Inputs (%I): 2048 points
- Discrete Outputs (%Q): 2048 points
- Analog Inputs (%AI): 32,640 words (max)
- Analog Outputs (%AQ): 32,640 words (max)
System Expansion: Supports up to 8 racks (1 CPU baseplate + 7 expansion/remote I/O baseplates)
Scan Rate: 0.22ms per 1K Boolean logic (typical)
Communication Ports:
- 3 built-in serial ports
- Port 0 (power connector): SNP/SNP-X slave
- Ports 1 & 2: SNP/SNP-X master/slave, RTU slave, Serial I/O Write
Power Consumption: 5VDC at 890mA (max)
Physical Dimensions: 127mm × 127mm × 76mm (W×H×D)
Weight: 0.5kg (1.1lbs)
Operating Temperature: 0°C to +60°C (32°F to 140°F)
Storage Temperature: -40°C to +70°C (-40°F to 158°F)
Relative Humidity: 5%–95% (non-condensing)
Certifications: CE, UL 508, CSA (industrial safety & EMC compliance)
Mounting: DIN rail or Series 90-30 baseplate
Battery Backup: Real-time clock (RTC) and memory retention

Key Features

High-Speed Processing: 25MHz 80386EX processor ensures fast execution of complex control logic.
Expanded Memory: 240KB user memory supports large programs, data logging, and advanced algorithms.
Massive I/O Support: Controls up to 4096 discrete and 65,280 analog points for large-scale process control.
Multi-Protocol Communication: Three serial ports enable seamless integration with SCADA, HMI, and third-party devices.
System Expandability: Connects up to 7 expansion/remote I/O racks for distributed control architectures.
Battery-Backed RTC: Maintains accurate time and data during power outages.
Diagnostic & Status LEDs: Indicators for power, run, fault, and communication status.
Key Switch: Provides RUN/STOP mode control and write protection for program security.
Rugged Construction: Designed for harsh industrial environments with wide temperature and humidity tolerance.