The Yokogawa AFV10D-S2 Duplexed Field Control Unit represents a pivotal advancement in field control technology designed to ensure maximum reliability and safety in critical industrial process control applications. This duplexed unit combines two independent control processors within a single chassis, allowing seamless redundancy and continuous operation even in the event of a failure in one control channel.

Built specifically for integration within Yokogawa’s ProSafe-RS and CENTUM VP distributed control systems, the AFV10D-S2 is engineered to operate reliably in harsh industrial environments. The duplex configuration facilitates high availability, fault tolerance, and precise control, making it essential for industries where process continuity and safety cannot be compromised.

This control unit effectively manages input/output signals from field devices, processes data, and communicates with supervisory systems, ensuring that operational commands are executed flawlessly while maintaining comprehensive diagnostic capabilities for preventative maintenance.

Product Specifications

Applications

The AFV10D-S2 Duplexed Field Control Unit is designed for demanding applications where safety, reliability, and uninterrupted control are paramount, including:

• Safety Instrumented Systems (SIS): Serving as the control platform in critical safety functions in oil & gas, chemical, and power generation plants.

• Process Automation: Managing real-time control in complex processes within petrochemical, refining, and pharmaceutical industries.

• Power Plants: Providing fail-safe control for turbine management, boiler controls, and other critical plant operations.

• Nuclear Industry: Ensuring stringent safety and control standards through fault-tolerant duplex architecture.

• Water and Wastewater Treatment: Controlling pumps, valves, and treatment processes with continuous monitoring.

• Marine and Offshore Applications: Withstanding harsh environmental conditions while maintaining control system integrity.

• Manufacturing Facilities: Facilitating high-availability production line automation with minimal downtime.

• Critical Infrastructure: Control in facilities such as airports and transportation systems requiring high reliability.

Advantages

• Duplexed design for maximum reliability: Two independent processors ensure zero control downtime during faults.

• High availability: Automatic failover and diagnostic monitoring prevent system outages.

• Industrial-grade robustness: Operates effectively in wide temperature and humidity ranges.

• IEC 61508 SIL3 compliance: Meets high safety integrity levels for safety-critical applications.

• Flexible integration: Supports a wide variety of I/O modules and communication protocols.

• Compact and space-saving: Designed for efficient panel or rack mounting.

• Redundant power inputs: Enhances operational security against power failures.

• Comprehensive diagnostics: Advanced monitoring tools support predictive maintenance and rapid troubleshooting.

• Seamless communication: Ethernet and fieldbus interfaces allow smooth integration into larger control architectures.

• Proven performance: Backed by Yokogawa’s long history of reliable automation solutions.

Frequently Asked Questions (FAQ)

1. What does duplexed control mean in this unit?

   It means the unit has two independent processors working in parallel, allowing one to take over instantly if the other fails.

2. Is the AFV10D-S2 compatible with Yokogawa’s ProSafe-RS system?

   Yes, it is designed to integrate seamlessly with ProSafe-RS and CENTUM VP systems.

3. What safety standards does this unit comply with?

   It meets IEC 61508 SIL3 standards for safety instrumented systems.

4. Can this unit handle both digital and analog I/O?

   Yes, it supports a broad range of digital and analog input/output modules.

5. What kind of mounting options are available?

   It can be panel or rack mounted depending on installation requirements.

6. What is the operating temperature range?

   The unit operates reliably between 0°C and 55°C.

7. Does the unit support redundant power supplies?

   Yes, it includes dual 24 V DC power inputs for redundancy.

8. How does the failover process work?

   If one processor fails, control is automatically and instantly transferred to the other without interrupting the process.

9. Can the AFV10D-S2 be remotely monitored?

   Yes, it supports Ethernet communication for remote diagnostics and control.

10. What maintenance is required for this unit?

    Routine system checks and firmware updates are recommended to maintain optimal performance.