FOXBORO RH924YF

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You’re asking about the FOXBORO RH924YF, which is a critical hardware component within the Foxboro I/A Series and EcoStruxure Foxboro DCS. Based on the search results, the RH924YF primarily refers to a DIN-Rail Mounted Modular Baseplate designed specifically for the FCP280 Field Control Processor (FCP).

In simpler terms, it’s the physical platform or chassis that the FCP280 controller module plugs into, providing the necessary electrical connections for power, communication, and I/O. It’s the foundation upon which your FCP280 operates and interacts with the rest of the DCS.

Let’s break down the details:

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Brief Product Description:

The FOXBORO RH924YF is a DIN-Rail Mounted Modular Baseplate specifically engineered to host the Foxboro FCP280 Field Control Processor in the I/A Series and EcoStruxure Foxboro DCS. This baseplate provides the physical mounting, power connections (including primary and secondary inputs for redundancy), dual Fieldbus interfaces for communication with Fieldbus Modules (FBMs), and time strobe interfaces. Its modular, rugged metal construction ensures secure and reliable operation in demanding industrial environments, enabling the FCP280 to effectively perform regulatory, logic, timing, and sequential control, as well as data acquisition.

• Product Type: DIN-Rail Mounted Modular Baseplate
• Primary Function: Mounting and connectivity platform for the FCP280 Field Control Processor.
• Compatibility: Foxboro FCP280 controller within the Foxboro I/A Series and EcoStruxure Foxboro DCS.
• Mounting: DIN-Rail mountable.
• Key Features: Supports primary/secondary power inputs, dual Fieldbus interfaces (for FBM communication), and time strobe interfaces.

Detailed Product Description:

As an industrial automation professional, I can emphasize that while controllers like the FCP280 are the “brains,” they cannot function without a robust and reliable physical foundation. The FOXBORO RH924YF DIN-Rail Mounted Modular Baseplate provides exactly that. It’s not a processing module itself, but rather the essential hardware infrastructure that allows the powerful FCP280 to operate, communicate, and integrate seamlessly into the larger Foxboro Distributed Control System.

Core Features and System Integration: The Foundation for Control

The RH924YF is specifically designed with the demanding requirements of industrial control in mind:

1. Dedicated FCP280 Mounting: Its primary purpose is to serve as the secure mounting point for one or more FCP280 Field Control Processors. The FCP280 directly plugs into connectors on the baseplate, establishing all necessary electrical links. Some sources indicate it can support vertical or horizontal mounting configurations, depending on the specific product variant or system design.

2. Robust Construction: The baseplate is typically made of durable metal (e.g., high-quality metal alloy), ensuring it can withstand the harsh conditions common in industrial environments, including vibrations, temperature fluctuations, and potential electromagnetic interference. Its ruggedness contributes to the overall reliability of the control system.

3. Modular Design: The “modular” aspect allows for flexible system expansion and configuration. While the RH924YF is specifically for the FCP280, the modular nature of Foxboro I/A Series baseplates facilitates adding or removing controllers and associated FBMs as your system requirements evolve, without needing to redesign the entire control cabinet.

4. Power Connectivity (Redundancy Support): A crucial feature for critical applications, the RH924YF provides dedicated connections for power inputs. Importantly, it supports primary and secondary power inputs, which enables redundant power supply configurations for the FCP280. If one power source fails, the other seamlessly takes over, ensuring continuous operation of the controller and preventing downtime. This is fundamental for the high availability expected from a DCS.

5. Dual Fieldbus and Time Strobe Interfaces:

   • Fieldbus Interfaces: The baseplate includes dual interfaces that connect the FCP280 to the 2 Mbps HDLC Fieldbus, which is the high-speed communication backbone linking the FCP280 to its associated Fieldbus Modules (FBMs). This dual interface supports redundancy for Fieldbus communication, enhancing reliability.
   • Time Strobe Interfaces: These are often included to facilitate precise time synchronization across the DCS. Accurate time stamping of events is critical for sequence of events (SOE) recording and effective root cause analysis of process upsets.

6. DIN-Rail Mounting: The DIN-Rail mounting capability makes installation straightforward and efficient within standard industrial control cabinets. This allows for neat, organized, and space-saving integration alongside other DIN-rail mounted components like power supplies, terminal blocks, and other FBMs.

7. DIP Switches: The baseplate typically includes modular position DIP switches, which are used to configure the physical address or slot position of the FCP280 or other modules mounted on it. This simple configuration mechanism ensures proper communication and identification within the DCS.

In essence, the RH924YF is the secure, power-distributing, and communication-routing platform that turns the FCP280 module into a fully functional and integrated controller within the Foxboro DCS.

Technical Specifications (General for RH924YF, specific details may vary slightly between manufacturing revisions):

Parameter	Typical Value
Product Type	DIN-Rail Mounted Modular Baseplate
Manufacturer	Foxboro (now Schneider Electric)
Part Number	RH924YF
Compatibility	Foxboro FCP280 Field Control Processor
Mounting Type	DIN Rail
Material	High-quality metal alloy
Power Inputs	Primary and Secondary (for redundant power supplies)
Communication	Dual Fieldbus interfaces (2 Mbps HDLC)
Additional Interfaces	Time Strobe inputs
Configuration	Modular position DIP switch
Operating Temperature	-40°C to +70°C (-40°F to +158°F) (typical)
Storage Temperature	-55°C to +85°C (-67°F to +185°F) (typical)
Humidity Range	0 to 95% RH (non-condensing) (typical)
Vibration	5g RMS, 20 to 500 Hz (typical)
Shock	15g, 11ms half-sine (typical)
Dimensions (approx.)	15cm x 6.2cm x 15cm (H x W x D) (Varies slightly)
Weight (approx.)	0.4 kg – 1 kg (Varies slightly)
Country of Origin	USA

Applications:

The FOXBORO RH924YF is fundamental to any Foxboro I/A Series or EcoStruxure Foxboro DCS installation that utilizes the FCP280 controller. Its applications are as broad as the industries served by Foxboro DCS:

• Process Control Systems: In industries like oil and gas, petrochemical, chemical, power generation, pulp and paper, and pharmaceuticals, where the FCP280 performs critical regulatory, logic, and sequential control. The RH924YF provides the stable platform for these operations.
• Distributed I/O Architectures: Essential in large-scale plants where I/O modules (FBMs) are geographically distributed but controlled by centralized FCP280s. The baseplate’s Fieldbus interfaces enable this distributed communication.
• High-Availability Systems: For applications where continuous operation is paramount, the RH924YF’s support for redundant power and Fieldbus connections directly contributes to system uptime and reliability.
• Modernization and Upgrades: Used in new installations as well as for upgrading older Foxboro systems to leverage the capabilities of the FCP280.

Related Products:

The FOXBORO RH924YF always works in conjunction with other core Foxboro DCS components:

• Foxboro FCP280 (P0926JA, etc.): The Field Control Processor module itself, which plugs into the RH924YF. The baseplate is designed specifically for this controller.
• Foxboro Fieldbus Modules (FBMs): These are the input/output modules (e.g., FBM201, FBM202, FBM205, FBM211, FBM242) that connect to field devices. The FCP280, mounted on the RH924YF, communicates with these FBMs over the Fieldbus.
• Foxboro Fieldbus Communication Modules (FCMs): Modules like FCM10E or FCM10EF connect the 2 Mbps Fieldbus to the higher-level Control Network, allowing the FCP280 to communicate with other controllers, workstations, and servers.
• Foxboro Power Supply Modules (e.g., P0922YU for 24VDC): These provide the necessary 24 VDC power to the baseplate and the FCP280, often in redundant configurations where the RH924YF accommodates dual inputs.
• Termination Cables and Assemblies: While the RH924YF hosts the FCP280, the FBMs (connected via Fieldbus to the FCP280) use specific termination cables and assemblies to connect to the actual field wiring.