Foxboro RH924UQ Industrial Control Module

Overview

The Foxboro RH924UQ is a versatile interface module designed for high-performance industrial automation within Foxboro’s Evo™ DCS and I/A Series systems. It can seamlessly function as a sensor interface, actuator driver, or Ethernet network controller, adapting to varied process requirements. Moreover, its redundant Ethernet architecture ensures real-time communication with minimal latency, supporting mission-critical operations across complex industrial environments.

Engineered for durability, the RH924UQ withstands harsh conditions, including extreme temperatures and strong electromagnetic interference. Its multi-core CPU processes control tasks efficiently, while graphical configuration tools simplify deployment and diagnostics. Therefore, engineers and system integrators benefit from both reliability and operational flexibility.

Key Features & Benefits

• Multi-functional design: Supports positioner control, sensor monitoring, or Ethernet network integration depending on system needs.

• High-performance CPU: Industrial-grade Cortex-A8 processor ensures fast, precise control and data processing.

• Redundant Ethernet: Maintains stable, low-latency communication with automatic failover for continuous operation.

• Rugged industrial reliability: IP-rated sealed enclosure tolerates extreme temperatures, dust, and EMI interference.

• Scalable system integration: Compatible with X-NET and Profibus DP for advanced distributed control configurations.

• User-friendly setup: Graphical interface enables quick configuration, monitoring, and troubleshooting.

Technical Specifications

• Manufacturer: Foxboro

• Model: RH924UQ

• Series: Evo™ DCS / I/A Series

• Processor: Multi-core industrial-grade CPU (1 GHz Cortex-A8)

• Memory: 8 GB Flash, 512 MB DRAM; expandable via MicroSD

• Communication Interfaces: Redundant Ethernet (10/100 Mbps), 2 × isolated RS-232

• Supported Protocols: TCP/IP, Modbus, X-NET, Profibus DP

• Operating Voltage: 24 V DC

• Operating Temperature: -20°C to +60°C

• Reliability Features: Redundant architecture, automatic failover, strong EMI resistance

• Enclosure: Sealed industrial design, IP-rated for harsh environments

Typical Applications

• Process automation in chemical, pharmaceutical, and power plants

• Water treatment systems requiring precise monitoring and control

• Integration with smart actuators and field sensors for real-time feedback

• Industrial environments needing high availability network controllers

• Mission-critical operations demanding redundancy and robust reliability

FAQ

Q1: Can the RH924UQ operate in extreme temperatures?
A1: Yes, it supports -20°C to +60°C, suitable for most industrial environments.

Q2: Which communication protocols does it support?
A2: It supports TCP/IP, Modbus, X-NET, and Profibus DP for versatile integration.

Q3: Can it function as both a sensor interface and actuator driver simultaneously?
A3: Depending on configuration, it can manage multiple roles, enhancing system flexibility.

Q4: How does redundancy improve system reliability?
A4: Redundant Ethernet and failover mechanisms ensure continuous operation during network failures.