High-Reliability DCS Processor 24VDC | Foxboro RH916FK
Manufacturer: Foxboro
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Part Number: RH916FK
Condition：New with Original Package
Product Type: Distributed Control Systems
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The Foxboro RH916FK serves as a high-performance computational core for Foxboro I/A Series and Spectrum Distributed Control Systems (DCS). This module consolidates three critical industrial functions—data acquisition, real-time processing, and high-speed communication—into a single, space-saving footprint. By integrating these tasks, the RH916FK simplifies system architecture and eliminates latency between disparate control components. We provide this module as 100% brand new and original, ensuring the highest level of execution for mission-critical industrial loops where process downtime carries significant financial risk.
Technical Specifications
| Feature | Specification Details |
| Model Number | RH916FK |
| System Compatibility | Foxboro I/A Series / Spectrum DCS |
| Processor Config | Single (Supports Dual for Fault-Tolerance) |
| Onboard Memory | 16 MB SDRAM / 32 MB Flash |
| Input Voltage | 24 VDC (Redundant Supply Compatible) |
| Power Consumption | Max ~8.5 W per module |
| Operating Temp | 0 °C to +60 °C (32 °F to 140 °F) |
| Humidity Range | 5% – 95% Non-condensing |
| Dimensions (H×W×D) | 14.7 x 5.15 x 11.4 cm |
| Weight | 2.0 kg |
Engineering Advantages
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Optional Fault-Tolerant Architecture: The RH916FK supports dual-processor pairing. In this configuration, the system executes automatic, bumpless failover if the primary unit encounters a fault, maintaining uninterrupted process control in hazardous or high-output environments.
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Consolidated Logic Execution: By combining acquisition and processing on one card, this module removes the bottleneck of inter-module data transfer. This results in faster loop response times and tighter control over volatile process variables.
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Hardened Power Resilience: The module operates on a 24 VDC feed and natively supports redundant power connections. This protects the onboard 32 MB Flash and 16 MB SDRAM from data corruption during localized power fluctuations.
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High-Density Thermal Management: Despite its compact 5.15 cm width, the RH916FK utilizes advanced heat dissipation to maintain a stable 60 °C operating threshold. This allows for high-density cabinet mounting without requiring specialized active cooling systems.
FAQs
Q: Can I use the RH916FK to replace legacy Spectrum DCS processors?
A: Yes. The RH916FK maintains full compatibility with both legacy Spectrum DCS and modern I/A Series platforms, making it an ideal choice for system life-extension projects.
Q: Does this module require a specific baseplate for fault-tolerant setups?
A: To enable fault-tolerance, you must install two RH916FK modules into a compatible redundant baseplate that supports dual-processor synchronization.
Q: What is the benefit of the onboard 32 MB Flash memory?
A: The 32 MB Flash memory provides non-volatile storage for critical control algorithms and system configurations, ensuring the processor resumes operations immediately after a power cycle without needing a full software reload from the host.
Q: Is this unit new or refurbished?
A: We supply the RH916FK strictly as a 100% brand new, original factory unit to ensure compliance with the latest industrial safety and performance standards.