Foxboro FCP280 RH924YA

Product Overview

Technical & Performance Parameters

• Main Processing Unit: ARM System-on-Chip 500 MHz industrial control CPU
• Memory Configuration: 128 MB ECC SDRAM, 128 MB industrial flash program storage
• Error Correction: ECC memory with single-bit error auto-correction, multi-bit error fault reporting
• Control Logic Execution Speed: 16,000 standard control function blocks per second
• Fieldbus Interfaces: Four independent Expanded Fieldbus ports (A/B redundant pairs)
• Fieldbus Data Rates: 2 Mbps (200 Series FBM), 268 kbps (100 Series FBM)
• Max Supported I/O Capacity: Up to 128 total FBM fieldbus modules per single FCP280
• Mesh Network Interfaces: Dual redundant 100 Mbps Ethernet copper/fiber Mesh control network ports
• Operating Supply Voltage: 48 VDC baseplate backplane power
• Max Power Consumption: 12 W
• Operating Temperature: -30 °C ~ +70 °C
• Physical Dimensions: 120 mm (H) × 30 mm (W) × 170 mm (D)
• Net Weight: 320 g
• Certifications: CE, UL 61010, IEC 61511 Functional Safety Certified

Material Composition

1. Main housing: Die-cast aluminum alloy with black powder coating
2. PCB Substrate: 6-layer FR4 industrial PCB with full conformal acrylic coating
3. Communication transceivers: Isolated Ethernet and HDLC fieldbus ICs
4. Baseplate contacts: Gold-plated beryllium copper multi-pin connectors
5. Front panel: UV-resistant polycarbonate with LED status array and module extraction latch

Structural Characteristics

• Dual-width baseplate hot-swappable module form factor
• Front panel 8-color LED array for power, Mesh A/B network, fieldbus A/B, memory fault, CPU diagnostic status
• Dual Ethernet RJ45 ports on front panel for redundant Mesh network connection
• Internal flash memory slot for offline control logic program backup storage
• Spring-loaded extraction latch for rapid tool-free module removal during maintenance

Working Principle

1. Executes user-programmed PID, ratio, feedforward, interlock, and sequence control logic stored in on-board flash memory
2. Communicates bidirectionally with connected FBM I/O modules via four Expanded Fieldbus ports to acquire field sensor data and output actuator commands
3. Transmits real-time process variable data, alarm status, and historical trend logs to central DCS servers via redundant Mesh Ethernet network
4. Continuous background self-diagnostic testing of CPU, memory, bus interfaces, and backplane communication
5. Redundant paired RH924YA modules perform bumpless automatic failover within 5 ms upon primary processor critical fault detection

Core Function Features

1. Full 1:1 hot standby redundancy with zero control loop interruption during primary module failure
2. ECC error-correcting memory prevents process logic corruption from single-bit memory faults
3. Mixed compatibility with 100 Series and 200 Series FBM analog/digital I/O modules
4. Dual redundant Mesh Ethernet network eliminates single network communication failure point
5. Built-in historical data buffering stores 72 hours of process trend data during central server communication loss

Advantage Highlights

1. High-speed function block execution supports complex multi-loop advanced process control applications
2. Rugged industrial design certified for extreme temperature and vibration plant environments
3. Conformal coated PCB prevents hardware failure in high-humidity, chemical vapor facilities
4. Hot-swap maintenance capability eliminates full control cabinet shutdown for processor replacement
5. Natively compliant with IEC 61511 process safety standards for hazard process control loops

Applicable Industries

Installation Requirements

1. Mount on standard Foxboro I/A Series baseplate redundant paired slot positions
2. Each Expanded Fieldbus port limited to maximum 32 connected 200 Series FBM modules
3. Separate fiber/copper Mesh network cabling for Port A and Port B to eliminate shared cable failure
4. Maintain minimum 20 mm vertical clearance above baseplate for passive heat dissipation
5. Program backup flash memory must be updated after every control logic modification

Usage Precautions

1. Redundant primary/standby FCP280 modules must run identical firmware revision versions
2. Do not remove primary module during critical continuous process operation without activating manual loop bypass
3. Avoid exposing front panel Ethernet ports to moisture; install protective dust caps when unused
4. Perform quarterly firmware health diagnostic scans via DCS central workstation
5. Never daisy-chain fieldbus ports; each Expanded Fieldbus port must operate as independent isolated bus segment