RH924YA FCP280 FOXBORO Field Control Processor Module

• Brand
  FOXBORO
• Model
  RH924YA FCP280
• Product Name
  Field Control Processor Module for I/A‑Series DCS System
• Place of Origin
  United States
• Customs HS Code
  85371011
• Power Supply
  18‑30 VDC
• Dimensions
  147 mm × 116 mm × 51.8 mm
• Weight
  1.2 kg
• Operating Temperature
  -25°C to +70°C
• Storage Temperature
  -45°C to +70°C
• Warranty
  12 month
• Product Status
  new

FOXBORO RH924YA (FCP280) Technical Specifications

Power Supply

Nominal input: 24 V DC, operating range: 20-30 V DC

Power consumption: 8.5 W for standalone unit; 11 W fitted with redundant network adapters; 20 W for fault-tolerant module pair

Dual redundant power input is supported

Processor & Memory

32-bit high-performance RISC processing unit

RAM and non-volatile flash memory preserve control logic, configuration parameters and event records

Implements standard Foxboro Evo control algorithms for process control execution

I/O Fieldbus Capacity

4 independent HDLC fieldbus ports, each accommodating up to 32 FBM fieldbus modules

Maximum total capacity: 128 FBM modules

Compatible with 100-series FBM, SPECTRUM migration integrators and SPEC-200 control integrators

Galvanic isolation implemented between control network and local I/O fieldbus

Communication Interfaces

100 Mbps Ethernet control network; copper or fiber-optic media available through dedicated network adapter modules

Redundant A-B network bus supported

HDLC fieldbus with selectable baud-rate: 2 Mbps or 268.8 kbps

Front-mounted local LCD together with push-buttons for status check and basic configuration operations

Redundancy Function

Fault-tolerant dual-module hot-standby mode available on 2-slot baseplate

Automatic bumpless transfer triggered once active module fault occurs

CP overload monitoring alarm activated when approaching processing load threshold

Diagnostic & Time Synchronization

Integrated full-range self-diagnosis covering hardware, communication links and I/O channels

Event logging function stores fault history and operation records

External GPS time-synchronization is supported

Isolation & EMC

2 kV isolation rating for AC-DC power circuits; 1 kV isolation rating for I/O and communication circuits

Meets immunity requirements defined in IEC 61000 series standards

Certifications

CE certification for cabinet-type field installation

Application Cases for FOXBORO RH924YA (FCP280)

Refinery Distillation Unit-Petrochemical Industry

Redundant FCP280 controllers are applied to atmospheric-vacuum distillation processes. They run numerous PID control loops for column temperature, pressure and reflux flow, and connect to a large number of temperature and pressure transmitters through FBM fieldbus modules. Bumpless hot-standby transfer avoids unplanned outages caused by controller hardware faults, stabilizes fractionation performance and optimizes product yield. Online firmware upgrade enables system maintenance without disrupting ongoing production.

Offshore Oil & Gas Platform

The FCP280 serves as the core DCS controller for offshore platform automation. It monitors pipeline pressure, wellhead flow and valve positions, and executes pump sequence logic as well as partial ESD interlock functions. Its fault-tolerant architecture adapts to tough offshore operating conditions such as salt mist and mechanical vibration. The local LCD enables on-site status diagnostics without workstations, while process data is transmitted to shore-based SCADA systems over Ethernet interfaces.

Thermal Power Plant Balance-of-Plant System

It is deployed for boiler auxiliary facilities, condensate handling and demineralized water treatment. Communicating with variable-frequency pump drives over Modbus-TCP, the controller implements constant-pressure water supply and automatic chemical-dosing regulation. It gathers distributed field signals across the whole plant and carries out centralized monitoring together with sequential interlock logic. Redundant architecture removes single-point-of-failure risks on the control layer and secures reliable auxiliary-equipment operation for turbine-generator sets.

Batch Production for Pharmaceutical Plant

FCP280 performs batch reaction control within biopharmaceutical production workflows. It executes cascade and ratio control algorithms for reactor jacket temperature and raw-material feeding proportions. Comprehensive event logging and audit trail capabilities meet GMP and regulatory traceability requirements. Hot-swappable modules minimize maintenance downtime for critical batch processes, and smooth data exchange with MES and LIMS platforms is supported.

Municipal Large-Scale Water & Wastewater Treatment Plant

Multiple FCP280 controllers govern filtration, sedimentation, disinfection and pumping station groups. They manage hundreds of field-located pumps, valves and dosing actuators, and implement closed-loop control for liquid level, pH value and residual chlorine. Fast redundant switch-over guarantees uninterrupted municipal water supply even when one controller suffers a failure. Fieldbus and wireless communication links integrate remote pumping-station data into the central DCS.

Fine-Chemical Reactor Process

FCP280 controls both batch-type and continuous chemical reactors featuring long-delay nonlinear behaviour. Advanced control schemes including cascade, feed-forward and ratio control maintain stable reaction temperature and pressure. Built-in logic rapidly activates safety interlocks upon detection of abnormal pressure, temperature or stirrer motor current. High-speed SOE (Sequence-of-Events) recording assists root-cause analysis after process incidents.

DCS System Migration & Retrofit Project

FCP280 offers backward-compatibility with legacy 100-series FBM modules. During automation modernization for ageing plants, existing field I/O cabling can be preserved while outdated controllers are replaced with FCP280 units. Compatible network adapters support migration from copper-based to fiber-optic communication, greatly lowering communication errors induced by electromagnetic interference and cutting on-site modification work as well as renovation costs.

Hydropower Station Auxiliary Control System

It automates hydropower plant intake gates, oil-pressure units and water-treatment workflows. FCP280 delivers sequence control, interlock protection and real-time data acquisition. Highly reliable fieldbus links connect geographically dispersed field I/O points. Event-logging records all equipment operation sequences, supporting routine operational checks and troubleshooting activities.

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