Yokogawa AFF50D-H41201 Field Control Unit

The Yokogawa AFF50D-H41201 Field Control Unit serves as the processor for the Field Control Station (FCS) in distributed control systems. This unit ensures redundancy and high stability in process control by providing dual-redundant communication interfaces and memory protection during power failures. Consequently, it guarantees reliable performance, even in demanding industrial environments.

Key Features of the Yokogawa AFF50D-H41201 Field Control Unit

The Yokogawa AFF50D-H41201 combines powerful processing capabilities with built-in redundancy to ensure smooth and reliable operations. Here are the critical technical specifications that make this unit stand out:

Technical Specifications:

Specification	Details
Model	Yokogawa AFF50D-H41201
Processor	VR5432 (133 MHz)
Main Memory	32 MB
Memory Protection	Battery backup for up to 72 hours
Battery Recharge Time	Minimum 48 hours
FCU Status Output	2 terminals (NC, C)
Contact Points	Open during FCU failure
Contact Rating	30 V DC, max. 0.3 A
Communication Interface	Dual-redundant V-net Interface
Bus Interface	Always dual-redundant ESB bus interface
Power Supply	100-120 V AC, 50/60 Hz, 220-240 V AC, 50/60 Hz, 24 V DC
Power Consumption	200 VA (100-120 V AC), 230 VA (220-240 V AC), 5.5 A (24 V DC)
Weight	Approx. 8 kg

Advantages of the Yokogawa AFF50D-H41201 Field Control Unit

Dual-Redundant Communication: The Yokogawa AFF50D-H41201 ensures uninterrupted communication by providing dual-redundant interfaces. This feature minimizes the risk of communication failures, ensuring your system’s reliability in critical operations.
Enhanced Memory Protection: Equipped with battery backup for up to 72 hours, this unit maintains memory integrity during power interruptions. Therefore, your system’s data remains safe even during unexpected shutdowns.
Flexible Power Options: The Yokogawa AFF50D-H41201 operates with multiple power supply configurations, including 100-120 V AC, 220-240 V AC, and 24 V DC. This flexibility makes it easy to integrate into existing systems.
Efficient Power Consumption: It consumes 200 VA (100-120 V AC), 230 VA (220-240 V AC), or 5.5 A (24 V DC). With these values, the unit efficiently balances performance and power usage.
Compact and Lightweight Design: Despite its robust features, the Yokogawa AFF50D-H41201 weighs only 8 kg. This compact design allows for easy installation without occupying too much space in your system.

Applications of the Yokogawa AFF50D-H41201 Field Control Unit

The Yokogawa AFF50D-H41201 is essential for a variety of industrial applications:

Distributed Control Systems (DCS): It plays a vital role in managing and controlling complex processes across industries such as chemicals, pharmaceuticals, and manufacturing.
Critical Process Control: The unit ensures system continuity for processes that require high availability, making it suitable for industries that cannot afford downtime.
Redundant System Applications: Ideal for applications requiring system redundancy, the Yokogawa AFF50D-H41201 provides a fail-safe option to ensure constant control and operation.

Conclusion

In summary, the Yokogawa AFF50D-H41201 Field Control Unit offers a combination of advanced features, including dual-redundant communication and memory protection. This unit ensures your system remains operational in all conditions, making it the perfect solution for critical process control in industrial automation.