FOXBORO RH924YA FCP280 – Field Control Processor Module Overview

Description

• Processor: 32-bit ARM Cortex-A15 RISC core
• Memory: 2 GB RAM, 4 GB flash for firmware and user programs
• I/O Capacity: Supports up to 2 048 I/O points via connected Fieldbus Modules (FBMs)
• Fieldbus Ports: 4 HDLC fieldbuses (2 Mbps or 268 kbps) plus optional Modbus, PROFIBUS-DP, DeviceNet, HART, and EtherNet/IP gateways
• Ethernet: Dual 100 Mbps RJ-45 (copper) or LC fiber (multimode 2 km, single-mode 20 km)
• Power: 24 VDC (18 – 32 V range), typical consumption 5 W
• Environmental
  – Operating: –40 °C to +70 °C
  – Humidity: 5 % – 95 % non-condensing
  – Vibration: 0.5 g, 5 – 500 Hz
  – Pollution: ISA G3 harsh-class conformal coating
• Dimensions (module only): 105 mm H × 51.8 mm W × 147 mm D; weight 0.8 kg
• Certifications: CE, UL, ATEX, IECEx, SIL 2/3

• Fault-tolerant version available: two identical modules mounted side-by-side for 2-out-of-2 operation with automatic switch-over
• Online Image Upgrade (OLUG): firmware updates without process interruption
• Cybersecurity: ISA/IEC 62443 EDSA certified
• Hot-swap capable under power
• Real-time diagnostics, SOE (sequence-of-events) at 1 ms resolution
• Backward compatible with legacy Foxboro controllers and migration kits

• RH924YA: processor module (horizontal baseplate RH924YL, vertical RH924YF)
• Dual-cable baseplate RH100JX for redundant fieldbus segments
• Adapters: fiber optic RH924WA, copper RJ-45 RH924UQ, fieldbus splitters RH928CV, redundant cable adapters RH924ZJ

• Continuous and batch process control in refineries, petrochemicals, and pharmaceuticals
• Turbine and compressor control loops
• Power plant balance-of-plant (BOP) automation
• Water treatment and desalination plants
• Steel, cement, and mining distributed control systems