Product Overview

The GE Fanuc IC693CHS391 functions as the high-capacity structural and electrical foundation for expanded Series 90-30 PLC systems. This 100% brand new, original 10-slot expansion baseplate allows engineers to scale their control architecture by adding high-density I/O modules far beyond the limits of a single standalone rack.

While the first slot specifically accommodates the system power supply, the remaining nine slots provide a high-speed communication bus for various digital, analog, and specialty modules.

Technical Specifications

Engineering Advantages

High-Density Scalability
The nine dedicated I/O slots provide maximum expansion capability for complex industrial processes, reducing the need for multiple small racks and simplifying the control cabinet layout.

Simplified Expansion Logic
The baseplate utilizes a standard 25-pin female D-type connector on the right side, allowing for direct "daisy-chaining" to other expansion or remote racks via dedicated GE cables.

Reliable Power Distribution
This unit features a dedicated power supply slot that distributes stabilized +5 VDC and +24 VDC across the backplane, ensuring consistent signal integrity for high-precision analog modules.

Rugged Mechanical Design
Built for harsh environments, the chassis supports secure panel mounting to withstand vibration and thermal fluctuations common in gas turbine control and heavy manufacturing applications.

FAQs

What is the difference between this expansion baseplate and a CPU baseplate?
The IC693CHS391 expansion baseplate cannot host a CPU module directly. It must connect to a CPU baseplate (such as IC693CHS397) using an expansion cable to function as part of the overall PLC system.

How do I set the rack address for this module?
Unlike older systems, the Series 90-30 expansion racks do not require hardware DIP switches for addressing; the system automatically identifies the rack based on its position in the expansion cable chain.

Can I use this baseplate with PACSystems RX3i modules?
While the RX3i system supports some Series 90-30 modules, engineers typically use this baseplate specifically within the legacy Series 90-30 ecosystem to maintain native bus speeds and mechanical compatibility.

Does this unit include the power supply?
No, the power supply is a separate module (such as IC693PWR321 or IC693PWR330) that must be installed in the leftmost slot to provide power to the backplane.