Yokogawa AFV30D-A41251 Duplexed Field Control Unit

The Yokogawa AFV30D-A41251 Duplexed Field Control Unit (FCU) is a high-reliability, duplexed control device designed for distributed control systems (DCS) and industrial automation applications that require continuous fault-tolerant operation. Its duplexed architecture ensures uninterrupted process control by providing dual redundant channels, making it ideal for mission-critical industrial operations.

Part of the AFV30D series, the AFV30D-A41251 integrates seamlessly with Yokogawa CENTUM VP and other compatible DCS platforms. The unit delivers precise field device control, high-speed data acquisition, and robust communication. Its duplexed design allows one channel to operate as a backup, maintaining continuous operation without any process interruptions.

This FCU is widely used in petrochemical plants, oil and gas production facilities, power generation stations, water treatment plants, and other industrial sectors requiring high reliability, fast response, and enhanced diagnostics. The AFV30D-A41251 offers deterministic control, advanced monitoring, and ensures operational safety across all critical process loops.

Product Specifications

Product Applications

The AFV30D-A41251 Duplexed FCU is suitable for industrial environments requiring high reliability, fault-tolerant control, and precise device management:

• Distributed Control Systems (DCS): Provides duplexed field control for CENTUM VP and compatible platforms.

• Power Generation: Ensures continuous management of turbines, generators, and auxiliary systems.

• Petrochemical and Refinery Plants: Maintains safe and reliable operation of pumps, compressors, valves, and chemical dosing systems.

• Water and Wastewater Treatment: Provides accurate control of treatment processes and field instrumentation.

• Oil and Gas Production: Supports continuous and precise control for extraction and processing operations.

• Industrial Automation: Delivers high-speed control and real-time data acquisition for automated systems.

Product Advantages

The AFV30D-A41251 Duplexed FCU offers multiple technical advantages for industrial control applications:

• Redundant Duplexed Channels: Guarantees uninterrupted operation if one channel fails.

• Fast Response Time: Real-time control with <10 ms loop execution.

• Multi-Protocol Compatibility: Supports HART, FOUNDATION Fieldbus, Modbus, and Yokogawa proprietary protocols.

• Robust Industrial Performance: Reliable operation under EMI, temperature fluctuations, and high humidity.

• Seamless Integration: Direct compatibility with CENTUM VP and other DCS platforms.

• Precise and Deterministic Control: Ensures accurate execution of process control algorithms.

• Advanced Diagnostics: Includes fault monitoring, predictive maintenance, and alarm generation.

• Space-Efficient Design: Optimized dimensions and weight for easy installation and minimal footprint.

FAQ

1. What is the main purpose of the AFV30D-A41251?

   It provides duplexed field device control and redundant communication for fault-tolerant operation.

2. Which communication protocols are supported?

   HART, FOUNDATION Fieldbus, Modbus, and Yokogawa proprietary protocols.

3. What is the typical response time for control loops?

   Less than 10 ms.

4. How does duplexing enhance reliability?

   One channel acts as a backup; if the primary channel fails, the secondary channel takes over without process interruption.

5. What is the operating temperature range?

   -20 °C to +60 °C.

6. Is the unit compatible with CENTUM VP systems?

   Yes, it integrates seamlessly with CENTUM VP DCS.

7. How many I/O channels can this unit support?

   Multiple analog and digital channels, depending on deployment configuration.

8. Does the unit support redundant power supply options?

   Yes, it can operate with redundant 24 VDC power supplies.

9. How does this unit support predictive maintenance?

   It provides continuous diagnostics and monitoring for early fault detection and process optimization.

10. Which certifications and standards does it comply with?

    CE, FCC, UL, and IEC standards for industrial control equipment.