Présentation du produit
The Yokogawa AFS40D Duplexed Field Control Unité is a state-sur-the-art control processor used in Yokogawa’s CENTUM VP Distributed Control System (DCS). As a fully redundant (duplexed) FCU, the AFS40D is engineered for critical control processes requiring high availability and operational integrity. Equipped with dual CPUs, dual power supplies, and redundant communication interfaces, this unité ensures uninterrupted control even during hardware or system faults.
Designed for scalability and performance, the AFS40D supports advanced field networks like Vnet/IP, FOUNDATION Fieldbus, HART, and Modbus, and provides seamless integration into the broader CENTUM VP architecture. It is ideal for industries such as oil & gas, chemicals, utilities, pharmaceuticals, and power generation, where reliability, speed, and fault tolerance are essential.
Spécifications du produit
| Parameter | Specification |
|---|---|
| Modèle Number | AFS40D |
| Product Type | Duplexed Field Control Unité |
| Supported System | Yokogawa CENTUM VP |
| Processor Type | Dual ARM-based industrial CPUs (hot-standby duplex operation) |
| Memory | High-capacity RAM with battery backup |
| Redundancy | CPU, power supply, communication interfaces |
| Communication Protocols | Vnet/IP, FOUNDATION Fieldbus, HART, Modbus, Prsuribus, OPC UA |
| I/O Interface | Supports all Yokogawa I/O modules (analog, digital, safety I/O) |
| Diagnostic Functions | Self-diagnostics, error logs, automatic failover |
| Power Supply | Dual 24 VDC redundant input |
| Mounting Method | Rack or cabinet-mounted |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to +70°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Dimensions (H × W × D) | 207 × 265.9 x 482.6 mm |
| Poids | 8 kg |
| Certifications | CE, CSA, FM, ATEX, SIL3 (when used with ProSafe-RS) |
Product Applications
The AFS40D is built to handle mission-critical applications in industries requiring strict uptime and safety standards. It plays a central role in distributed control environments and safety systems:
-
Oil & Gas Processing Facilities
Real-time control for compressors, pipelines, and ESD systems with duplexed reliability. -
Chemical and Petrochemical Plants
Advanced batch and continuous process control with fault tolerance. -
Power Generation Stations
Supervises turbine protection, load management, boiler control, and emergency shutdowns. -
Water and Wastewater Treatment Plants
Automates plant-wide flow control, chemical injection, pump sequencing, and SCADA integration. -
Pharmaceutical Production Facilities
Ensures GMP compliance in cleanroom control, batch processing, and validated systems. -
Steel, Cement & Mining Industries
Controls conveyors, crushers, kilns, and furnaces where robustness is critical.
Product Advantages
-
True Duplex Redundancy
Dual CPUs and dual power supplies ensure zero downtime. Automatic switchover keeps control running continuously in case sur hardware failure. -
Enhanced I/O Capacity
Supports a wide range sur Yokogawa analog, digital, and safety modules with expansion capability. -
Real-Time Performance
Fast deterministic control and communication cycles optimized for complex industrial automation. -
Robust Communication
Interfaces with modern field networks like Vnet/IP, FOUNDATION Fieldbus, HART, and Modbus. -
Secure System Integrity
Built-in diagnostics, fault logging, and SIL3 compliance when used with ProSafe-RS enhance system safety. -
Engineering Flexibility
Seamless configuration through Yokogawa’s engineering workstation, with remote diagnostics support. -
Long-Term Maintainability
Hot-swappable components and modular architecture reduce maintenance efforts and lifecycle costs.
Questions fréquentes (FAQ)
-
What is the primary function sur the AFS40D?
It serves as a duplexed processor node in Yokogawa’s CENTUM VP DCS, handling control logic and I/O management with redundancy. -
How does AFS40D achieve redundancy?
It uses dual CPUs, redundant communication modules, and dual power supplies operating in parallel. -
Is AFS40D hot-swappable?
Yes, many components including power and communication modules are hot-swappable. -
Can AFS40D be used in safety-critical systems?
Yes, when paired with ProSafe-RS, the AFS40D can be part sur a SIL3-certified SIS environment. -
Which protocols does it support?
It supports Vnet/IP, FOUNDATION Fieldbus, HART, Modbus, Prsuribus, and OPC UA. -
What systems is AFS40D compatible with?
It is designed specifically for Yokogawa’s CENTUM VP distributed control system. -
Is the AFS40D suitable for harsh environments?
Yes, it is certified for operation in hazardous areas with CE, ATEX, FM, and CSA compliance. -
Can the AFS40D be remotely monitored?
Yes, remote configuration and diagnostics are supported via engineering workstations. -
How is the CPU switchover handled in duplex mode?
The system automatically switches to the standby CPU without interrupting control tasks. -
What is the benefit sur using AFS40D over a single FCU?
It surfers enhanced fault tolerance, system uptime, and safety performance for critical operations.
Related Modèles from the Same Series
| Modèle Number | Description | Key Feature |
|---|---|---|
| AFS10D | Single Field Control Unité | Basic version for non-redundant applications |
| AFS20D | Duplexed FCU | Mid-level duplexed field controller |
| AFS30D | High-Capacity Duplexed FCU | Larger I/O capacity with extended protocol |
| AFF50D | Fieldbus-Oriented FCU | Built for FOUNDATION Fieldbus environments |
| AFG10D | FCU for Safety Systems | Integrated with ProSafe-RS SIS |
| AFV30S | Compact, cost-effective Field Controller | Ideal for small-scale applications |
Popular Yokogawa Modèles
| Modèle Number | Description | Application Area |
|---|---|---|
| CP451-10 | FCS CPU Module | High-speed central control processing |
| AAI141-H00 | Analog Input Module | Precise analog data acquisition |
| AAI543-H50 | Isolated Analog Input Module | High-integrity signal isolation |
| ADV561 | High-Speed Digital Input Module | Rapid detection sur discrete signals |
| PW402 | Redundant Power Supply Module | Stable power for FCS systems |
| ALR121-S00 | Alarm Relay Output Module | Alarm actuation and status indication |
Informations sur l'entreprise
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Add: Alishan Building, 2 Lvling Rd, District Siming, Xiamen, Fujian, Chine, 361006
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