The GE Fanuc IC693CPU374-GP is a high-performance, single-slot Central Processing Unit designed for the Series 90-30 PLC system. It features a built-in Ethernet interface, providing robust connectivity for industrial automation and real-time data exchange across factory networks.
Core Product Specifications
- Processor Speed: 133 MHz
- User Logic Memory: 240 KB
- Discrete I/O Points: 2,048
- Analog I/O Channels: 1,024
- Communication Ports: One RS-485 (Serial) and one RJ-45 (Ethernet)
- Ethernet Speed: 10/100 Mbps full-duplex
- Typical Current Draw: 1.0 Amps from +5V bus
- Operating Temperature: 0 to 60 degrees Celsius
Physical Characteristics and Logistics
Dimensions: 12.8 cm x 3.5 cm x 9.8 cm (H x W x D) Weight: 0.32 kg (approximately 0.7 lbs) Country of Origin: USA / Japan (varies by manufacturing lot)
Primary Application Fields
This CPU is widely utilized in sectors requiring high-speed processing and reliable networking. Common fields include:
- Water and Wastewater Treatment: Managing pump stations and filtration cycles.
- Material Handling: Controlling complex conveyor systems and automated sorting.
- Food and Beverage: Precision timing for bottling and packaging lines.
- Energy Management: Monitoring power distribution and HVAC systems.
Operating Instructions and Setup
- Installation: Ensure the PLC rack power is off. Insert the IC693CPU374-GP into Slot 1 of the 90-30 baseplate.
- Configuration: Use Proficy Machine Edition (PME) software to configure the Ethernet IP address and hardware settings.
- Wiring: Connect the Ethernet cable to the RJ-45 port for network communication or use the serial port for direct local programming.
- Status LEDs: Monitor the “OK,” “RUN,” and “LAN” indicators on the front panel to verify system health and network activity.
Common Questions & Answers
Q: Can this CPU handle floating-point math? A: Yes, the IC693CPU374-GP supports both integer and floating-point calculations for advanced process control.
Q: Does it require a battery to retain memory? A: Yes, it utilizes a standard lithium battery to maintain the user program and RAM data during power-off states.
Q: Is the Ethernet port used for I/O scanning? A: Yes, it supports SRTP and Ethernet Global Data (EGD), allowing it to exchange data with other controllers and I/O devices over the network.
Industry News: Legacy Support for Series 90-30
As industrial facilities move toward more integrated digital twins, many operators are choosing to maintain their reliable Series 90-30 hardware by upgrading to Ethernet-enabled processors like the CPU374-GP. Recent industry reports highlight that while GE/Emerson has introduced newer RX3i lines, the demand for high-quality refurbished and surplus Series 90-30 modules remains strong due to their proven longevity in harsh environments. Engineering firms are increasingly using these specific CPUs to bridge the gap between legacy hardware and modern Industrial Internet of Things (IIoT) platforms without requiring a full system overhaul.


