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Product Introduction
The Yokogawa AFV30S-A41252 Field Control Unit (FCU) is a robust and high-performance controller that forms a key component of the CENTUM VP distributed control system. Unlike standard FCUs, the AFV30S-A41252 is designed to handle demanding industrial processes by combining advanced processing power with reliable communication and modular flexibility.
This FCU supports complex control strategies, large-scale I/O management, and high-speed deterministic communication, making it ideal for mission-critical applications in oil & gas, petrochemical, power generation, and other process-intensive industries. Its scalable architecture, built-in redundancy, and online maintenance capabilities ensure continuous operation and easy integration with both existing and future Yokogawa systems.
Product Specifications
| Parameter | Description |
|---|---|
| Model | AFV30S-A41252 |
| Type | Field Control Unit (FCU) |
| System Compatibility | Yokogawa CENTUM VP |
| Processor | 32-bit RISC high-speed processor |
| Memory | 128 MB SDRAM, 32 MB Flash memory |
| I/O Capacity | Up to 1,500 I/O points per unit (expandable) |
| Redundancy | Optional duplex CPU, redundant communication, and power modules |
| Communication Protocols | Vnet/IP, Ethernet, FOUNDATION Fieldbus, HART |
| Control Cycle Time | 50 ms typical, configurable for advanced process loops |
| Diagnostics | Built-in error detection, fault isolation, and event logging |
| Operating Temperature | 0 to 55 °C |
| Storage Temperature | -20 to 70 °C |
| Power Supply | 24 V DC, redundant inputs supported |
| Power Consumption | Approx. 42 W |
| Mounting | Rack-mounted system |
| Dimensions (W × H × D) | 207 × 265.9 x 482.6 mm |
| Weight | 7 kg |
| Certification | CE, UL, CSA, ATEX for hazardous and industrial use |
Product Applications
The AFV30S-A41252 is widely deployed in continuous and batch processing industries where performance, reliability, and flexibility are crucial:
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Oil & Gas: Process control for upstream production, LNG facilities, and refining operations.
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Petrochemicals: Advanced control of cracking, reforming, and polymerization units.
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Power Generation: Turbine, boiler, and auxiliary systems in thermal and nuclear power stations.
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Pharmaceutical Manufacturing: Batch automation and regulatory compliance for high-quality production.
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Water & Wastewater: Supervisory control for treatment, pumping, and distribution networks.
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Steel, Cement & Mining: Process optimization in energy-intensive and continuous production environments.
Product Advantages
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Scalable Performance – Supports large I/O configurations with the flexibility to expand as the plant grows.
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Optional Redundancy – CPU, power, and network redundancy improve system availability and reliability.
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Fast Control Response – 50 ms control cycle provides stability for demanding process loops.
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Modular Maintenance – Hot-swappable design enables replacement without downtime.
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Advanced Diagnostics – Real-time monitoring and event logging reduce troubleshooting time.
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Compatibility – Smooth integration with legacy Yokogawa CENTUM CS 3000 systems.
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Cybersecurity Ready – Equipped with secure access, authentication, and encrypted communication.
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Industrial Reliability – Certified for use in hazardous areas with proven long-term performance.
FAQ
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What is the standard control cycle time of the AFV30S-A41252?
It operates on a typical 50 ms control cycle, adjustable depending on application needs. -
Does the unit support CPU redundancy?
Yes, it can be configured with an optional duplex CPU for fault tolerance. -
Which communication protocols are supported?
The unit supports Vnet/IP, Ethernet, FOUNDATION Fieldbus, and HART. -
Can online configuration changes be applied without halting operations?
Yes, online modifications are supported for uninterrupted process control. -
What redundancy features are available for power input?
It allows dual redundant 24 V DC power supplies for high reliability. -
Is network redundancy supported?
Yes, Vnet/IP dual network paths are supported to prevent single-point failures. -
Can hardware modules be hot-swapped during operation?
Yes, critical modules such as CPU, communication, and power modules are hot-swappable. -
What is the maximum I/O capacity for this model?
It supports up to 1,500 I/O points, with the option to expand through additional units. -
How are errors detected and managed?
The FCU includes real-time self-diagnostics and logs errors for quick corrective actions. -
What cybersecurity functions are included?
It features encrypted communication, access control, and audit trail capabilities.
Recommended Related Models (Same Series/Category)
| Model | Description |
|---|---|
| AFV10D-S41201 | Standard FCU for small to medium control applications |
| AFV20D-S41201 | Mid-range FCU with scalable I/O handling |
| AFV30D-S41201 | Duplexed FCU for high availability applications |
| AFV30D-S41251 S2 | Enhanced duplex FCU with improved fault tolerance |
| AFV30D-S41262 | High-capacity duplex FCU with advanced redundancy |
| AFV40D-S41201 | High-performance FCU with larger memory and faster processors |
Popular Yokogawa Models (Other Product Lines)
| Model | Description |
|---|---|
| AAM50 Analog Input Module | High-density analog input card for process signals |
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| CP451-10 | Advanced processor module for CENTUM VP |
| PW482-10 | Redundant 24 V DC power supply unit |
| N-IO (Node I/O) Module | Universal flexible I/O for simplified field integration |
| ANB10D Vnet/IP Router | High-reliability communication router for system backbone |
