900H02-0202 Honeywell HC900 32-Bit Redundant Processor
Manufacturer: Honeywell
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Part Number: 900H02-0202 + 900TEK-0101
Condition：New with Original Package
Product Type: Redundant Controllers
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The Honeywell 900H02-0202 serves as the central processing powerhouse for the HC900 Hybrid Control System. This 32-bit microprocessor-based controller manages complex process logic, data acquisition, and multi-protocol communication for high-demand automation environments. When paired with the included 900TEK-0101 Terminal Kit, it provides a complete, secure interface for I/O rack wiring. We supply this set as 100% brand new and original, offering a mission-critical solution for industries requiring non-stop operation, such as thermal processing, water treatment, and specialty chemical production.
Technical Specifications
| Component | Feature | Specification Details |
| 900H02-0202 | Type | Redundant Controller Module (CPU) |
| Processor | 32-bit Microprocessor | |
| Memory | 8 MB Flash, 16 MB RAM | |
| I/O Capacity | Up to 4000 points | |
| Scan Rate | 10 ms (typical) | |
| Ports | Ethernet (Modbus TCP/IP), RS-485 (RTU) | |
| 900TEK-0101 | Type | Terminal Block Wiring Kit |
| Connection | Heavy-duty screw-type terminals | |
| Material | High-density industrial plastic | |
| Compatibility | HC900 I/O Racks |
Engineering Advantages
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Bumpless Redundancy Transition: The 900H02-0202 supports full CPU redundancy. In the event of a primary processor failure, the secondary CPU assumes control instantly without disrupting the process signal, ensuring 99.999% system availability.
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Massive I/O Scalability: This module handles up to 4000 I/O points, allowing engineers to consolidate multiple control loops into a single HC900 system. This scalability reduces cabinet footprint and simplifies network topography.
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Secure Terminal Integration: The 900TEK-0101 terminal kit features robust screw-type connections that prevent wire loosening due to industrial vibration. The modular design enables rapid field maintenance and clean cable management within the rack.
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Versatile Communication Gateway: Dual-protocol support (Modbus TCP/IP and RS-485) allows the controller to bridge data between legacy field devices and modern SCADA systems simultaneously. It executes high-speed data transfers via Ethernet for real-time monitoring.
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Hardened Logic Execution: The 10 ms typical scan rate provides the deterministic performance required for fast-acting safety interlocks and precision thermal PID loops, maintaining process variables within tight tolerances.
FAQs
Q: Can I run the 900H02-0202 as a standalone (non-redundant) controller?
A: Yes. While designed for redundancy, the 900H02-0202 functions perfectly in non-redundant configurations. You can add a second module later to upgrade the system to high-availability status without replacing the original unit.
Q: Does the 900TEK-0101 kit support high-vibration environments?
A: Absolutely. The terminal kit utilizes industrial-grade screw terminals designed to maintain a gas-tight connection, preventing oxidation and physical decoupling even in proximity to heavy rotating machinery.
Q: Is the memory expandable on this CPU?
A: The module comes with a fixed 8 MB Flash and 16 MB RAM architecture, which provides ample space for the 4000 I/O point capacity and complex function block programming standard in HC900 systems.
Q: How do I verify the "Brand New" status of these parts?
A: Every 900H02-0202 and 900TEK-0101 we ship arrives in original Honeywell factory packaging with intact security seals and matching serial numbers for full traceability and E-E-A-T compliance.