Product Overview
The IC693CHS392K is a 10-slot expansion I/O baseplate built for the GE Series 90-30 platform. Emerson now owns the line, but the original GE Fanuc and GE Intelligent Platforms engineering still defines how this hardware performs in the field. As an expansion base, it adds I/O capacity to a Series 90-30 system rather than acting as the primary rack.
This revision K unit carries a 25-pin female expansion connector and supports a maximum expansion distance of up to 50 feet (15 m). It mounts on a panel, which suits control cabinets where floor or rack space is already committed.
What the IC693CHS392K Does in a Control System
A Series 90-30 CPU rack handles the processor and core I/O. When an application outgrows that local capacity, an expansion baseplate extends the system without forcing a full controller replacement. Each of the 10 I/O slots accepts Series 90-30 modules, so the baseplate becomes the physical and electrical backbone for distributed points.
The 25-pin female connector links this base back to the host rack. The 15 m ceiling gives layout flexibility: you can place the expansion cabinet away from the main panel, which matters when field devices sit far from the control room.
Technical Specifications
| Specification | Value |
|---|---|
| Model | IC693CHS392K |
| Series | Series 90-30 |
| Baseplate Type | Expansion I/O base |
| Number of Slots | 10 I/O slots |
| Expansion Connector | 25-pin female |
| Max Expansion Distance | Up to 50 feet (15 m) |
| Mounting | Panel mount |
| Original Manufacturer | GE Fanuc / GE Intelligent Platforms |
| Current Owner | Emerson |
Buyer’s Guide: Matching This Baseplate to Your System
Before you commit, confirm three things. First, verify that your host rack is a Series 90-30 CPU base with an available expansion port. Second, check that 10 slots cover your planned I/O count with room for future points. Third, measure the physical run between the host rack and the new panel location — if it exceeds 15 m, this baseplate will not reach.
Panel mounting means you need a flat, vibration-controlled surface inside the enclosure. Leave clearance for module insertion and for the expansion cable bend radius at the 25-pin connector.
Because the IC693CHS392K is discontinued (End of Sale), availability depends on remaining stock. Oil AutoTech specializes in fast-dispatch spares for oil, gas and industrial automation, so it is worth asking about current inventory before you redesign around a different platform.
Applications and Integration
Series 90-30 systems still run in upstream oil and gas skids, pipeline compressor stations, and water treatment plants. A 10-slot expansion base often appears when a station adds instrumentation — pressure transmitters, level switches, valve feedback — without replacing the existing CPU.
The 15 m expansion distance supports a practical split: keep the CPU rack in a climate-controlled room and push the expansion base closer to the process area. That reduces field wiring runs and keeps sensitive electronics out of harsh zones.
Integration Note
Wiring into an existing Series 90-30 expansion bus may require the correct expansion cable and connector mating. Confirm cable type, length, and gateway requirements with your supplier before installation.
Maintenance and Reliability
Inspect the baseplate periodically for loose module seating, dust buildup, and connector integrity. Heat and vibration are the main wear factors in panel-mounted installations. Keep the cabinet filter clean and verify that the 25-pin connector stays fully seated.
For safety-related or high-availability loops, follow your site’s maintenance procedures and the manufacturer’s documentation. Do not attempt internal repairs on the baseplate.
Frequently Asked Questions
Is the IC693CHS392K still available?
It is discontinued (End of Sale). Contact Oil AutoTech today for pricing and availability of remaining stock.
How many I/O modules can this baseplate hold?
It provides 10 I/O slots for Series 90-30 modules.
What is the maximum distance from the host rack?
Up to 50 feet (15 m) using the expansion connector.
What connector does it use?
A 25-pin female expansion connector.
How does it mount?
It is designed for panel mounting inside a control cabinet.
