Product Details
Product Description
The Honeywell 900C31-0021 CPU C30 Module was part of the HC900 Controller series, serving as a central processing unit for distributed control and automation systems. Although now discontinued by the manufacturer, this module provided reliable processing power for industrial applications requiring programmable logic and advanced control functions. Compact and lightweight, it was designed for integration into HC900 racks and offered dependable performance in process control environments.
Key Features
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Manufacturer: Honeywell
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Model Number: 900C31-0021
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Type: Controller CPU C30 Module
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Category: Controls & Indicators / CPU Control Board
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Weight: 0.45 lbs (≈ 0.2 kg)
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Status: Discontinued by manufacturer
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Application: Central processing for HC900 control systems
Application Scenarios
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Process Control Systems: Provided CPU functionality for Honeywell HC900 controllers
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Industrial Automation: Supported programmable logic and control in manufacturing and energy sectors
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Legacy Systems: Used in earlier HC900 installations requiring CPU C30 modules
FAQ
Q: Is the 900C31-0021 still in production? A: No, it has been discontinued by Honeywell.
Q: What was its primary function? A: It served as the CPU for HC900 controllers, handling logic and control tasks.
Q: What is the weight of the module? A: Approximately 0.45 lbs (0.2 kg).
Q: How does it compare to the Honeywell 900C30-0460 CPU? A: The 900C31-0021 was an earlier generation CPU, while the 900C30-0460 offers expanded I/O capacity, larger memory, and support for modern communication protocols.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.