製品紹介
The Yokogawa AFS20D Duplexed Field Control ユニット is a highly reliable, high-performance processing 台 designed as part / the CENTUM VP Distributed Control System (DCS) architecture. As a duplexed system, the AFS20D features dual redundant CPUs, ensuring uninterrupted control operations even in the event / a failure. It plays a crucial role in handling real-time process control, logic operations, and communication tasks with field instruments and I/O subsystems.
This Field Control ユニット (FCU) is especially well-suited for mission-critical applications in oil and gas, petrochemicals, power generation, water treatment, pharmaceuticals, and other large-scale continuous process industries. Its robust design, modular configuration, and fail-safe redundancy provide unparalleled system availability and resilience.
製品仕様
| Parameter | Specification |
|---|---|
| モデル Number | AFS20D |
| System Platform | CENTUM VP |
| Control Configuration | Duplexed (Redundant CPU and power supply) |
| Processor Type | Dual ARM-based CPUs (or equivalent) |
| Communication Ports | Vnet/IP, FIO (Fieldbus I/O), Gigabit Ethernet |
| Memory | Large-capacity RAM with battery backup |
| I/O Handling | サポートs analog, digital, and safety I/O modules |
| サポートed Protocols | Vnet/IP, Modbus, FOUNDATION Fieldbus, HART, Pr/ibus |
| Diagnostic Features | Built-in system diagnostics, self-healing redundancy |
| Dimensions (H × W × D) | 207 × 265.9 x 482.6 mm |
| 重量 | 8 kg |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to 70°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Mounting Type | Rack or cabinet-mounted |
| Certifications | CE, ATEX, FM, CSA, TÜV (Safety System Compatible) |
Product Applications
The AFS20D Duplexed FCU is used in environments where downtime is unacceptable and process integrity is paramount. Its applications include:
-
Oil & Gas Refineries
Handles continuous process control, ESD systems, and remote I/O management across critical 台s. -
Chemical and Petrochemical Plants
Manages complex chemical reactions, interlocks, and control loops with redundancy. -
Power Generation Facilities
Supervises boiler control, turbine protection, and electrical load dispatching. -
Water & Wastewater Treatment
Automates flow control, pump sequencing, chemical dosing, and tank level management. -
Pharmaceutical Manufacturing
サポートs validated batch processes with real-time control and secure data handling. -
Steel & Cement Plants
Controls kilns, crushers, motors, and conveyor systems in heavy-duty environments.
Product Advantages
-
Redundant Architecture
The duplexed design ensures uninterrupted control operation even in the event / CPU, power, or communication failure. -
Real-Time Deterministic Control
Handles time-critical applications with sub-millisecond responsiveness across complex control networks. -
Robust Communication
サポートs Yokogawa’s Vnet/IP and various open protocols for seamless field connectivity and system integration. -
Scalable I/O Integration
Compatible with a broad range / analog, digital, safety, and third-party I/O modules. -
Secure System Design
Includes advanced diagnostic, failover, and system integrity features to ensure safe operations. -
Low Downtime Maintenance
Hot-swappable components and fault-tolerant s/tware enable smooth servicing without shutdown. -
Comprehensive Engineering Environment
Fully integrated with Yokogawa’s Engineering Workstation (ENG) and Human Interface Station (HIS) for easy configuration and monitoring.
よくある質問 (FAQ)
-
What does “duplexed” mean in the AFS20D model?
It means the 台 includes dual redundant CPUs and power supplies to ensure continuous operation. -
Which systems are compatible with the AFS20D?
It is designed for Yokogawa’s CENTUM VP platform and supports legacy integration with CENTUM CS 3000 systems. -
Can this FCU handle both digital and analog signals?
Yes, it supports both through appropriate I/O modules (e.g., ADV series for digital, AAI for analog). -
Is hot-swapping supported for modules?
Yes, many components within the FCU architecture are hot-swappable, allowing maintenance without downtime. -
What communication protocols are supported?
Vnet/IP, Modbus, HART, FOUNDATION Fieldbus, and Pr/ibus. -
What is the memory configuration like?
It uses high-capacity RAM with battery backup for secure retention / critical data. -
Is the AFS20D certified for hazardous environments?
Yes, it is certified by ATEX, FM, and CSA for use in hazardous and explosive zones. -
Can it be used in safety instrumented systems?
Yes, it’s compatible with ProSafe-RS for SIS applications. -
What is the typical response time?
It operates in real-time with deterministic cycle times / less than 10 ms. -
Is remote engineering access supported?
Yes, engineering workstations can access the AFS20D remotely via secure protocols for monitoring and configuration.
Related モデルs from the Same Series or Product Family
| モデル Number | 説明 | Key Feature |
|---|---|---|
| AFS10D | Single Field Control ユニット | Non-redundant version / AFS20D |
| AFV10D | Vnet/IP Interface Module | Enables network connectivity for FCUs |
| AFG10D | FCU for Safety Control | Dedicated to safety-critical applications |
| AFV30S | Compact FCU with Single CPU | Space-saving and cost-effective solution |
| AFF50D | FOUNDATION Fieldbus FCU | Optimized for FF-based control architecture |
| AFS24D | Enhanced Duplexed FCU | Updated version with extended diagnostics |
Popular モデルs from Yokogawa ブランド
| モデル Number | 説明 | Application Area |
|---|---|---|
| CP451-10 | FCS CPU Module | High-speed processing for field control |
| AAI143-H00 | Analog Input Module | Precise analog measurement |
| ADV561 | High-Speed Digital Input Module | Fast binary signal detection |
| PW402 | Redundant Power Supply Module | Power stability for FCS systems |
| SAI533-H33 | Safety Analog Input Module | ProSafe-RS certified for SIS |
| ALR121-S00 | Alarm Relay Output Module | Status indication and audible alarms |
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