GE IC693CHS391 10-Slot Expansion Baseplate – Series 90-30 Programmable Controller
When a Series 90-30 PLC system runs out of I/O slots, production lines stall, retrofit projects grind to a halt, and engineers face costly system redesigns. The GE IC693CHS391 eliminates that bottleneck by providing a dedicated 10-slot expansion baseplate that seamlessly extends your existing Series 90-30 rack — keeping your automation architecture intact and your operations running without interruption.
Within the IC693 Series 90-30 family, the IC693CHS391 occupies a critical position as the standard 10-slot expansion chassis. It is one of the most widely deployed expansion baseplates in GE’s Series 90-30 ecosystem, trusted across thousands of industrial installations worldwide. Its compatibility with the full range of Series 90-30 I/O and specialty modules makes it an indispensable component for any engineer scaling or maintaining a GE PLC system.
Technical Specifications
- Part Number: IC693CHS391
- Manufacturer: GE (General Electric Automation / GE Vernova)
- Series: Series 90-30 Programmable Controller
- Type: 10-Slot Expansion Baseplate
- Slot Configuration: 10 module slots (no CPU slot)
- Backplane Bus: Series 90-30 parallel backplane
- Power Supply: Requires a Series 90-30 compatible power supply module (e.g., IC693PWR321, IC693PWR330)
- Connection: Expansion cable to CPU baseplate (IC693CBL300 or equivalent)
- Module Compatibility: All Series 90-30 I/O modules, specialty modules, and communications modules
- Weight: Approx. 920 g
- Condition Available: New, Refurbished, Used-Tested
Key Features & Benefits
- Maximum I/O Expansion: Adds 10 full-size module slots to your Series 90-30 system, supporting up to 80 additional discrete I/O points per slot depending on module type.
- Plug-and-Play Compatibility: Designed to work natively with all Series 90-30 I/O, analog, and specialty modules — no firmware changes required.
- Robust Industrial Construction: Built to GE’s industrial-grade standards for reliable operation in harsh factory environments including vibration, dust, and temperature variation.
- Scalable Architecture: Supports multi-rack configurations, allowing engineers to expand systems incrementally without replacing the CPU or main rack.
- Long Service Life: Passive backplane design with no active components ensures exceptional longevity and minimal maintenance requirements.
- Cost-Effective Retrofit: Extend the life of existing Series 90-30 investments rather than migrating to a new platform — protecting capital expenditure.
Industry & Equipment Applications
- Automotive Manufacturing: Body assembly lines, paint shop conveyors, and robotic welding cells requiring high I/O density.
- Food & Beverage Processing: Bottling lines, packaging machines, and conveyor control systems.
- Water & Wastewater Treatment: Pump station control, SCADA-integrated monitoring panels.
- Oil & Gas: Wellhead control panels, compressor station automation.
- Power Generation & Utilities: Substation automation, turbine auxiliary control.
- Pulp & Paper: Process line control, drive coordination systems.
- General Factory Automation: Any facility running GE Series 90-30 PLCs requiring I/O expansion.
System Integration & Compatible Parts
The IC693CHS391 integrates directly into GE Series 90-30 multi-rack systems. Key compatible components include:
- CPU Modules: IC693CPU311, IC693CPU313, IC693CPU321, IC693CPU331, IC693CPU340, IC693CPU341, IC693CPU350, IC693CPU360, IC693CPU363, IC693CPU364, IC693CPU374
- Power Supplies: IC693PWR321, IC693PWR322, IC693PWR330, IC693PWR331
- Expansion Cables: IC693CBL300, IC693CBL301, IC693CBL302, IC693CBL303
- Main Baseplates: IC693CHS392 (5-slot), IC693CHS393 (10-slot main), IC693CHS398 (5-slot)
- I/O Modules: IC693MDL240, IC693MDL241, IC693MDL645, IC693ALG220, IC693ALG221, and full Series 90-30 I/O range
Our Quality Assurance Process
At Konmask.com, every GE IC693CHS391 unit undergoes a rigorous multi-stage inspection before shipment:
- Visual Inspection: Backplane connectors, slot guides, and housing checked for physical damage or corrosion.
- Functional Verification: Backplane bus continuity and connector integrity tested where applicable.
- Authenticity Check: Part number, revision label, and manufacturer markings verified against GE documentation.
- ESD-Safe Packaging: All units packed in anti-static bags with foam cushioning for safe international transit.
- Traceability: Batch records maintained for full supply chain transparency.
How to Order
- Submit an inquiry via the Contact / Request a Quote button on this page.
- Provide your required quantity, preferred condition (New / Refurbished / Used-Tested), and delivery timeline.
- Our technical sales team will respond within 24 business hours with availability, lead time, and a formal quotation.
- Upon order confirmation, we arrange ESD-safe packaging and international shipping via DHL, FedEx, or UPS.
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation: 100% focused on PLC, DCS, HMI, and automation components — not a generalist marketplace.
- ✅ Global B2B Supply: Serving engineering teams, MRO buyers, and system integrators across 50+ countries.
- ✅ Technical Expertise: Our team includes experienced automation engineers who can assist with compatibility and application questions.
- ✅ Fast Response: Inquiry-to-quote in under 24 hours for most stocked items.
- ✅ Secure Transactions: Professional B2B invoicing, export documentation, and compliance support.
- ✅ Warranty & Support: All units backed by our quality guarantee and post-sale technical support.
Frequently Asked Questions
Q: What is the difference between IC693CHS391 and IC693CHS393?
A: The IC693CHS391 is an expansion baseplate (no CPU slot), while the IC693CHS393 is a 10-slot main baseplate that includes a CPU slot. The CHS391 must be connected to a main rack via an expansion cable.
Q: How many IC693CHS391 expansion racks can I connect to one Series 90-30 CPU?
A: The Series 90-30 system supports up to 7 expansion racks (plus the main rack), for a total of 8 racks per CPU, depending on the CPU model and I/O count limits.
Q: Does the IC693CHS391 require a separate power supply?
A: Yes. Each IC693CHS391 expansion rack requires its own Series 90-30 compatible power supply module installed in the rack’s power supply slot.
Q: Is the IC693CHS391 still in production?
A: GE’s Series 90-30 line has reached end-of-life for new production. However, Konmask.com maintains stock of new-surplus and refurbished units to support ongoing maintenance and retrofit projects.
Q: Can I use any Series 90-30 I/O module in the IC693CHS391?
A: Yes. All 10 slots accept the full range of Series 90-30 discrete, analog, specialty, and communications modules.
Q: What expansion cable do I need to connect the IC693CHS391 to my main rack?
A: GE offers several expansion cable lengths: IC693CBL300 (0.6m), IC693CBL301 (1.0m), IC693CBL302 (2.0m), and IC693CBL303 (3.0m). Select based on physical rack spacing.
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