Description
Product Overview
The YOKOGAWA AFV30D-S41252 is a high-performance fieldbus power supply and signal conditioner designed specifically for Foundation Fieldbus H1 networks in industrial automation systems. As part of Yokogawa’s comprehensive field communication solutions, this advanced device provides reliable power conditioning, signal isolation, and network protection for fieldbus segments in critical process control applications. The AFV30D-S41252 represents an evolution in fieldbus technology, offering enhanced capabilities for modern industrial networks in oil & gas, petrochemical, power generation, and other process industries.
Engineered for maximum reliability, this fieldbus power conditioner features state-of-the-art protection mechanisms and superior signal integrity preservation. Its robust construction meets the demands of harsh industrial environments while maintaining compliance with Foundation Fieldbus specifications. The AFV30D-S41252 delivers exceptional performance in terms of power capacity, noise immunity, and diagnostic capabilities, making it an ideal choice for both greenfield installations and system upgrades in existing facilities.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | AFV30D-S41252 |
| Manufacturer | YOKOGAWA |
| Product Type | Fieldbus Power Conditioner |
| Fieldbus Standard | Foundation Fieldbus H1 (IEC 61158-2) |
| Input Voltage | 18-32V DC |
| Output Voltage | 15-17.5V DC (fieldbus segment) |
| Maximum Current | 450mA (per segment) |
| Isolation | 1500V AC (field to system) |
| Short-circuit Protection | Automatic recovery |
| Termination | Built-in 100Ω (configurable) |
| Operating Temperature | -40°C to +85°C |
| Humidity Range | 5-95% RH (non-condensing) |
| Housing Material | Aluminum alloy |
| Dimensions | 60mm (W) × 120mm (H) × 130mm (D) |
| Mounting | DIN rail (TS35/7.5) or panel mount |
| Certifications | ATEX, IECEx, FM (for hazardous areas) |
YOKOGAWA AFV30D-S41252
Main Features and Advantages
High-capacity power delivery: The AFV30D-S41252 provides 450mA segment current capacity, enabling support for more field devices per segment compared to standard conditioners. This high-capacity design is particularly beneficial for large-scale installations and long cable runs.
Advanced diagnostic capabilities: Featuring comprehensive status monitoring with multicolor LED indicators for power, communication quality, and fault conditions, the unit enables rapid troubleshooting and preventive maintenance. The enhanced diagnostics can distinguish between different types of network issues for more efficient problem resolution.
Robust protection mechanisms: The AFV30D-S41252 incorporates multiple protection features including automatic short-circuit recovery, overload protection, reverse polarity protection, and surge protection. These safeguards ensure continuous operation and protect both the control system and field devices from electrical disturbances.
Flexible configuration options: With its configurable termination and modular design, the unit adapts to various network topologies. The DIN rail mounting with secure locking mechanism ensures vibration-resistant installation, while the rugged construction provides reliable operation in challenging environments.
Application Field
The YOKOGAWA AFV30D-S41252 is indispensable in industries implementing advanced fieldbus architectures. In offshore oil and gas platforms, it powers extensive networks of field instruments in classified hazardous areas. Large-scale petrochemical complexes utilize its high capacity for critical process control loops involving numerous smart transmitters, analyzers, and control valves.
Power generation facilities employ the AFV30D-S41252 for distributed control systems monitoring boilers, turbines, and balance-of-plant equipment. Pharmaceutical and food processing plants benefit from its precise signal conditioning in regulated production environments. The device is particularly valuable in installations requiring extended cable runs, supporting numerous field devices per segment, or operating in areas with significant electromagnetic interference.
YOKOGAWA AFV30D-S41252
Related Products
AFV30R-S41252: Redundant version with dual power inputs for critical safety systems
AFV10D-S41101: Standard capacity fieldbus conditioner for smaller segments
YFGW710: Fieldbus gateway with enhanced network management features
YTA320: High-accuracy temperature transmitter with FF H1 communication
YVP120: Digital valve positioner with advanced diagnostics
ADM8900: Intrinsically safe fieldbus segment protector
YFI620: Coriolis flowmeter with integrated FF H1 interface
Installation and Maintenance
Pre-installation preparation: Verify power supply specifications and ensure proper grounding arrangements. Calculate segment loading considering all connected devices’ power requirements. Confirm compatibility with existing control system components and check for any required firmware updates.
Maintenance recommendations: Conduct regular inspections of LED status indicators and connection integrity. Periodically measure segment voltage and termination resistance. Maintain documentation of all connected devices and their power consumption. When expanding the network, ensure total segment loading remains within specifications. Follow Yokogawa’s recommended procedures for firmware updates to maintain optimal performance and security.
Product Guarantee
Yokogawa provides comprehensive warranty coverage and technical support for the AFV30D-S41252, reflecting the company’s confidence in the product’s reliability and performance. The device undergoes rigorous testing to meet international standards including Foundation Fieldbus specifications and hazardous area certifications. Customers benefit from Yokogawa’s global service network, offering expert technical assistance, firmware maintenance, and rapid replacement services. The AFV30D-S41252 is designed for continuous, trouble-free operation in the most demanding industrial environments, with construction quality that ensures long-term reliability in critical process applications.
