GE Fanuc IC693CPU374 PLC Central Processing Unit

The GE Fanuc IC693CPU374 is a high-performance CPU controller for GE Series 90-30 PLC systems. It executes ladder logic and function block programs, processes I/O data, handles arithmetic operations and controls sequential actions for factory automation and process equipment.

This rack-mounted CPU integrates built-in Ethernet and serial communication ports for programming and network interconnection. It is commonly kept as spare parts for maintenance and upgrade of legacy 90-30 control cabinets in manufacturing, water treatment and energy sectors.

Main Specifications

• Brand: GE Fanuc; Model: IC693CPU374; Type: PLC CPU Module
• Applicable System: GE Series 90-30 PLC platform
• Core Tasks: User program execution, I/O management, logic calculation, data storage, communication processing
• Signal Interface: Built-in Ethernet port, RS232 serial port, Series 90-30 backplane connector
• Installation: Plug-in slot mounting on standard Series 90-30 chassis rack
• Memory: Supports user logic memory and register data storage
• Operating Environment: 0℃ ~ +60℃, 5%‑95% RH non‑condensing, industrial anti‑vibration grade
• Certifications: CE, complies with industrial automation EMC and safety standards

Core Functions

• Run PLC user control programs to realize automatic sequence control, interlock protection and closed-loop adjustment of industrial equipment.
• Communicate with various I/O modules via the rack backplane to collect field signals and send out control outputs in real time.
• Support Ethernet and serial communication for program downloading, remote debugging and data exchange with HMI and upper monitoring systems.
• Complete hardware self-diagnosis and fault recording to assist maintenance staff in quickly locating abnormal operating conditions.
• Adopt chassis plug-in design for convenient disassembly and replacement during on-site cabinet maintenance.
• Industrial-hardened circuit design ensures reliable long-term operation for renovation projects of legacy GE Series 90-30 automation systems.

Application Scenarios

• Spare-part replacement for legacy GE Series 90-30 automation cabinets in manufacturing, water treatment and energy industrial sites.
• Core control hardware for assembly lines, pumping stations and auxiliary equipment control systems.
• Maintenance backup inventory for renovation and after-sales maintenance projects of end-of-life GE Fanuc PLC equipment.
• Matching CPU cooperating with Series 90-30 power supply, communication modules and digital/analog I/O modules.
• Retrofit replacement for aged CPUs with program execution errors, communication interruption and hardware fault alarms.

• Global aftermarket spare supply for automation maintenance teams maintaining GE legacy industrial-control equipment worldwide.