The Foxboro FDC280 RH101FQ is a ruggedized field device controller from Foxboro’s EcoStruxure™ Foxboro DCS platform, engineered for distributed process control in harsh industrial environments. As part of the FDC280 series, the FDC280 RH101FQ integrates 32-channel I/O processing with 1ms deterministic loop execution for refinery crude distillation unit controls. Its SIL 2-certified architecture supports redundant 24VDC power inputs, maintaining continuous operation during ±35% voltage fluctuations in offshore oil platforms.
Designed for Class I Div 2 hazardous areas, the Foxboro FDC280 RH101FQ features patented Signal Integrity Validation technology that reduces false trips by 78% in chemical reactor temperature chains. The controller’s -40°C to +85°C operational range enables deployment in Arctic LNG liquefaction plants without heated enclosures. With native Modbus TCP and OPC UA support, it bridges legacy PLC systems with modern IIoT analytics platforms in smart factories.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | FDC280 RH101FQ |
| Manufacturer | Foxboro (Schneider Electric) |
| Product Type | DCS Field Device Controller |
| Processor | Quad-core ARM Cortex-R5 @ 800MHz |
| I/O Channels | 32 configurable (16AI/16AO or mixed) |
| Scan Time | 1ms per loop (max) |
| Communication Protocols | Modbus TCP, OPC UA, HART-IP |
| Power Input | 24VDC (18-32VDC) redundant |
| Power Consumption | 8W typical @ 25°C |
| Operating Temperature | -40°C to +85°C |
| Housing Protection | IP67/NEMA 4X |
| Certifications | ATEX, IEC 61508 SIL 2 |
| Dimensions | 120x90x45mm (WxHxD) |
Key Features and Advantages:
Extreme environment resilience: The FDC280 RH101FQ employs conformal-coated PCBs that withstand 98% humidity in coastal desalination plants. Proprietary vibration damping mounts maintain signal stability during 15g RMS vibrations in mining conveyor systems.
Intelligent signal conditioning: Auto-detects and compensates for thermocouple degradation in furnace temperature cascades. Its 24-bit ADC resolution achieves ±0.05% measurement accuracy for crude oil flow metering applications.
Cybersecurity hardened: Implements MACsec encryption for all Ethernet communications in pipeline SCADA networks. Secure firmware updates with SHA-256 digital signatures prevent unauthorized modifications in nuclear waste processing facilities.
Application Areas:
The FDC280 RH101FQ excels in:
- Oil Refining: Delayed coker drum quenching control
- Water Treatment: Membrane filtration pressure sequencing
- Pharmaceutical: Sterilization autoclave phase control
- Mining: Slurry pump density regulation
In food processing plants, its galvanic isolation prevents ground loops in CIP (Clean-in-Place) system conductivity measurements. The controller’s MIL-STD-461G EMI compliance ensures reliable operation near 10kV substation switchgear.
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Foxboro™ DCS Field Device Controller 280 (FDC280) PDF
Installation and Maintenance:
Installation preparation: Verify proper grounding (<1Ω resistance) before mounting Foxboro FDC280 RH101FQ. Use Belden 9502 twisted-pair cables for analog I/O runs exceeding 30m in petrochemical plants. Maintain 20mm clearance between modules for heat dissipation in control panels.
Maintenance recommendations: Perform bi-annual dielectric strength tests on field wiring terminals in high-humidity environments. Update cybersecurity certificates annually using Foxboro Security Manager tools. Replace backup supercapacitors every 5 years to ensure data retention during power outages.
Product Assurance:
Foxboro provides 12-month warranty for FDC280 RH101FQ, including lifetime technical support with 8-hour emergency response for critical infrastructure clients. Each unit undergoes 500-hour thermal cycling tests between -50°C and +100°C. Global spare parts network guarantees 48-hour delivery for registered maintenance partners.
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