Product Overview

The Foxboro RH928BA Control Processor is engineered for high-reliability automation in industries such as oil & gas, power generation, and chemical processing. This rail-mounted PLC module serves as a central processing unit within Foxboro’s distributed control architecture, handling data acquisition, signal processing, and communication with precision.

Moreover, its rugged design and fault-tolerant features—including redundant 24 VDC inputs and dual-module support—ensure continuous uptime in mission-critical applications. Whether you're deploying new systems or upgrading legacy infrastructure, the RH928BA delivers dependable performance under extreme conditions.

Key Features & Benefits

• Modular baseplate design simplifies installation and system expansion.

• Supports up to 32 I/O modules for flexible control configurations.

• Intel® Celeron® processor enables fast signal processing.

• 512 MB RAM and 1 GB flash memory for robust data handling.

• Communication interfaces: Ethernet, RS-232, and RS-485 for versatile connectivity.

• Operates reliably in temperatures from -40°C to +70°C.

Technical Specifications

Typical Applications

The Foxboro RH928BA is widely used in industrial control systems requiring high availability and modular scalability. Common applications include:

• Oil & gas pipeline automation and safety systems.

• Power plant turbine control and diagnostics.

• Petrochemical batch processing.

• Water treatment and distribution control.

• Manufacturing lines with distributed I/O networks.

Therefore, it’s a trusted solution for engineers designing resilient and scalable automation systems.

FAQ

Q1: What control systems is RH928BA compatible with?
A1: It integrates with Foxboro I/A Series and Evo™ control systems.

Q2: How many I/O modules can it support?
A2: The RH928BA supports up to 32 I/O modules for flexible system design.

Q3: Is the processor suitable for harsh environments?
A3: Yes, it operates reliably in extreme temperatures and meets EMI standards.

Q4: What communication interfaces are available?
A4: It includes Ethernet, RS-232, and RS-485 ports for versatile connectivity.

Q5: Does it support redundant power input?
A5: Absolutely. It features dual 24 VDC inputs for fault-tolerant operation.