Understanding the IC693CPU313 Embedded CPU Baseplate
For maintenance engineers working with GE Fanuc Series 90-30 systems, the IC693CPU313 offers a compact, integrated solution. This baseplate combines a turbo CPU with five I/O slots, simplifying system design and reducing wiring complexity. Its embedded design means fewer components to troubleshoot, which can speed up repairs and minimize downtime.
The IC693CPU313 is part of the Series 90-30 family, a widely used PLC platform in manufacturing and process industries. By integrating the CPU directly into the baseplate, GE Fanuc created a space-saving unit that still supports a range of I/O modules. This makes it a practical choice for applications where panel space is limited.
Technical Specifications and Performance
The IC693CPU313 uses an 80188 processor running at 10 MHz, providing a typical scan rate of 0.6 milliseconds per 1K of Boolean logic. This performance is suitable for mid-speed control tasks, such as conveyor monitoring or batch processing. The user program memory is 12 Kbytes, which is adequate for moderate-sized logic programs.
This baseplate supports up to 160 discrete input points and 320 discrete output points, combined. For analog signals, it handles 64 words of analog input and 32 words of analog output. The unit draws 410 mA from the +5 VDC bus voltage, which is supplied by the power supply module installed in the dedicated slot.

The IC693CPU313 operates in temperatures from 32 to 140 degrees Fahrenheit (0 to 60 degrees Celsius), making it suitable for typical industrial environments. It includes one serial port that supports SNP slave and SNP-X slave protocols, allowing communication with programming devices or HMIs.
Application Scenarios in Industrial Settings
In a typical material handling application, the IC693CPU313 can manage a series of conveyors and diverters. Its five I/O slots can accommodate discrete input modules for sensors and output modules for motor starters. The embedded CPU handles logic execution and communication with a central SCADA system via the SNP protocol.
Another common use is in packaging machinery, where the IC693CPU313 controls timing and sequencing. The timer and counter instructions built into the CPU allow precise control of filling, sealing, and labeling operations. Maintenance engineers appreciate the non-expandable design, which reduces the number of potential failure points.
Compatibility and Integration Considerations
The IC693CPU313 is compatible with other Series 90-30 components, including option modules and power supplies. However, it does not support CCM and PCM modules, so engineers must verify module compatibility before installation. The baseplate has a dedicated slot for the power supply, which also houses the battery for RAM backup.

For memory retention, the IC693CPU313 uses a super capacitor or high-charge capacitor that maintains RAM contents when power is removed. Optional EPROM or EEPROM can be used for more permanent data storage. This flexibility helps engineers choose the right memory strategy for their application.
Frequently Asked Questions About the IC693CPU313
What is the maximum user memory for the IC693CPU313?
The IC693CPU313 has a maximum user program memory of 12 Kbytes. For baseplates manufactured before Release 7, the memory is 6 Kbytes. Always check the release version when sourcing a used unit.
How many I/O points can the IC693CPU313 support?
The IC693CPU313 supports up to 160 discrete input points and 320 discrete output points, combined. It also handles 64 words of analog input and 32 words of analog output. These limits apply to the entire system, not per slot.
What communication protocols does the IC693CPU313 support?
The IC693CPU313 has one serial port that supports SNP slave and SNP-X slave protocols. The connector is located on the PLC power supply. This allows connection to programming tools or operator interfaces.
Why Choose AutoDCSTech for Your IC693CPU313 Needs
AutoDCSTech offers the GE Fanuc IC693CPU313 as part of its extensive inventory of industrial automation spare parts. Our team understands the importance of reliable components for maintaining production uptime. We provide detailed product information to help engineers make informed decisions.
Please verify the current lifecycle status and availability of the IC693CPU313 with AutoDCSTech before ordering. Our knowledgeable staff can assist with compatibility questions and ensure you receive the correct part for your Series 90-30 system.
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