Description
Product Overview
The YOKOGAWA AFV10D-S41101 is a high-performance fieldbus power supply and conditioner designed for Foundation Fieldbus (FF) H1 networks in industrial automation systems. As part of Yokogawa’s comprehensive field communication solutions, this device provides reliable power conditioning and signal isolation for fieldbus segments in demanding process control environments. The AFV10D-S41101 ensures stable communication and power distribution to field devices while protecting the control system from electrical disturbances.
Engineered for critical applications, this fieldbus power conditioner features advanced short-circuit protection and galvanic isolation between the fieldbus segment and the control system. Its rugged design makes it suitable for installation in harsh industrial environments, including oil refineries, chemical plants, and power generation facilities. The AFV10D-S41101 complies with Foundation Fieldbus specifications, ensuring interoperability with a wide range of field devices from different manufacturers.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | AFV10D-S41101 |
| Manufacturer | YOKOGAWA |
| Product Type | Fieldbus Power Conditioner |
| Fieldbus Standard | Foundation Fieldbus H1 (IEC 61158-2) |
| Power Supply Input | 18-32V DC |
| Output Voltage | 15-17.5V DC (fieldbus segment) |
| Maximum Current | 350mA (per segment) |
| Isolation | 1500V AC (field to system) |
| Short-circuit Protection | Automatic recovery |
| Termination | Built-in 100Ω terminator (switchable) |
| Operating Temperature | -40°C to +85°C |
| Housing Material | Aluminum alloy |
| Dimensions | 45mm (W) × 105mm (H) × 115mm (D) |
| Mounting | DIN rail (TS35) |
YOKOGAWA AFV10D-S41101
Main Features and Advantages
Robust fieldbus power conditioning: The AFV10D-S41101 delivers stable power to fieldbus segments while maintaining signal integrity, even in electrically noisy environments. Its advanced power regulation ensures consistent voltage levels regardless of input fluctuations or load variations.
Comprehensive protection features: Equipped with automatic short-circuit protection and recovery, the unit safeguards both the control system and field devices from electrical faults. The galvanic isolation prevents ground loops and protects against voltage surges.
Flexible configuration: With its built-in switchable terminator, the AFV10D-S41101 can be configured as either an end-of-line or intermediate device in fieldbus networks. The compact design allows for space-efficient installation in control panels or field enclosures.
Diagnostic capabilities: LED indicators provide immediate visual feedback on power status, communication activity, and fault conditions, enabling quick troubleshooting and maintenance.
Application Field
The YOKOGAWA AFV10D-S41101 is essential for industrial facilities implementing Foundation Fieldbus technology. In oil and gas processing plants, it powers and conditions fieldbus segments connecting smart transmitters and valve positioners. Petrochemical facilities utilize it to maintain reliable communication between distributed control systems and field devices in hazardous areas.
Power generation plants employ the AFV10D-S41101 for boiler control systems and turbine monitoring networks. Pharmaceutical manufacturers benefit from its precise signal conditioning in batch process control applications. The device is particularly valuable in installations requiring intrinsic safety barriers or in environments with significant electrical noise.
YOKOGAWA AFV10D-S41101
Related Products
AFV10R-S41101: Redundant version with dual power inputs for critical applications
YFGW510: Fieldbus gateway for system integration
YTA310: Temperature transmitter with FF H1 communication
YVP110: Valve positioner with FF H1 interface
ADM8800: Fieldbus segment protector for hazardous areas
YFI611: Flowmeter with integrated FF H1 communication
Installation and Maintenance
Pre-installation preparation: Verify proper power supply specifications and ensure adequate ventilation space around the unit. Check fieldbus segment loading calculations to confirm the number of devices per segment. Confirm proper grounding arrangements to minimize electrical noise interference.
Maintenance recommendations: Periodically inspect connections for tightness and corrosion. Monitor LED indicators for normal operation status. Clean ventilation openings to prevent dust accumulation. When adding or removing field devices, verify segment loading remains within specifications. Document any configuration changes to the fieldbus network topology.
Product Guarantee
Yokogawa guarantees the AFV10D-S41101 for reliable operation in industrial environments, backed by comprehensive warranty coverage. The device undergoes rigorous testing to ensure compliance with Foundation Fieldbus standards and Yokogawa’s quality requirements. Customers benefit from Yokogawa’s global support network, offering technical assistance, firmware updates, and replacement services. The AFV10D-S41101 is designed for long-term operation in continuous process applications, with robust construction that withstands harsh industrial conditions.
