The Foxboro RH924YL serves as the high-integrity structural and electrical foundation for the FCP280 (Field Control Processor 280) within the I/A Series and Foxboro Evo architectures. This 100% Brand New original hardware utilizes a horizontal-mounting orientation to optimize cabinet depth and thermal management in specialized rack configurations. It manages the critical communication link between the FCP280 processors and the Fieldbus Modules (FBMs), while distributing redundant 24V DC power. The RH924YL targets mission-critical applications in oil & gas, power generation, and petrochemical industries where process uptime requires hardware-level fault tolerance.
| Feature | Technical Details |
| Model / Part Number | RH924YL (FCP280 Horizontal Baseplate) |
| Mounting Orientation | Horizontal-Mounted |
| Processor Capacity | Dual Slots (Supports Single or Redundant FCP280) |
| Input Voltage | 24 V DC (Redundancy Supported) |
| Memory Buffer | Supports FCP280 16 MB SDRAM / 32 MB Flash |
| Power Consumption | Max ~8.5 W (Module Dependent) |
| Communication Support | Redundant Fieldbus & Mesh Network Paths |
| Operating Temperature | 0 to +60 °C (32 to 140 °F) |
| Shipping Weight | 3.0 kg |
| Origin | USA |
Optimized Thermal Dissipation: The horizontal-mounting design of the RH924YL promotes natural convection airflow across the processor fins. This prevents localized heat buildup, which extends the operational life of the FCP280 in high-density control cabinets.
Instantaneous Redundancy Handover: The baseplate architecture allows for the installation of two FCP280 processors in a fault-tolerant pair. In the event of a primary processor failure, the RH924YL facilitates a seamless switchover to the secondary module without dropping data or losing control of the field devices.
Deterministic Data Acquisition: Integrated high-speed data traces minimize signal latency between the control processor and the I/O subsystem. This ensures that multi-function control algorithms and Advanced Process Control (APC) suites receive real-time data for precise loop regulation.
Ruggedized Vibration Resistance: Secure mounting clips and reinforced electrical headers prevent intermittent contact caused by industrial vibrations. This mechanical durability is essential for long-term stability in unconditioned control rooms or plant-floor installations.
Simplified Field Maintenance: The modular design allows technicians to hot-swap individual FCP280 processors without removing the baseplate or disturbing the underlying 24V DC power distribution and network cabling.
How does the RH924YL differ from the RH924YF?
The RH924YL uses a horizontal-mounting orientation, whereas the RH924YF utilizes a standard vertical DIN-rail mount. Choose the RH924YL for shallow-depth cabinets or specialized rack architectures where horizontal airflow is required.
Can I use this baseplate with older FCP270 processors?
No. The RH924YL is specifically engineered for the physical and electrical pinouts of the FCP280 series. Using mismatched processors will prevent proper seating and communication.
Does the RH924YL ship with factory packing?
Yes. Every unit arrives in 100% Brand New condition, original factory packing, and includes a 12-month manufacturer warranty to ensure technical compliance and peace of mind.
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