Yokogawa AFS20D-H4221 Duplex Field Control Unit
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 15305023276 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AFS20D-H4221 |
| Product Name | Duplex Field Control Unit |
| Product Series | FIO Series |
| Manufacturer | Yokogawa |
| Main Function | Field I/O signal acquisition, processing, and redundant control execution |
| System Platform | CENTUM VP distributed control system |
| System Architecture | Dual-controller redundancy (duplex configuration) |
| I/O Capability | Supports FIO module expansion (analog, digital, pulse signals, etc.) |
| Control Functions | Process control, logic control, and redundancy management |
| Signal Processing | Data acquisition, filtering, conversion, and control execution |
| Communication Interface | Industrial Ethernet and system bus communication |
| Redundancy Support | Controller, power, and communication redundancy |
| Diagnostic Function | Module status monitoring and self-diagnostics |
| Expandability | Flexible expansion with multiple FIO modules |
| Installation Method | Rack or DIN rail mounting inside control cabinet |
| Application Environment | Industrial process automation systems |
| Protection Design | Designed for installation inside control cabinets |
| Operating Temperature | Industrial standard operating range |
| Storage Temperature | Industrial standard storage conditions |
| Dimensions | 207 × 265.9 × 482.6 mm |
| Weight | 8 kg |
FAQ
1. What is the main function of the AFS20D-H4221 Duplex Field Control Unit?
This unit is designed to collect and process field I/O signals while providing redundant control through a dual-controller architecture. It ensures continuous operation and stable process control in industrial environments.
2. What does a duplex architecture mean?
A duplex architecture consists of two controllers operating simultaneously. One acts as the primary controller, while the other remains synchronized as a standby unit, ready to take over instantly if a fault occurs.
3. Which systems is this unit typically used with?
It is mainly used with Yokogawa CENTUM VP distributed control systems and is suitable for industries such as oil & gas, petrochemical, power generation, and other continuous process applications.
4. What types of signals does the unit support?
The unit supports analog, digital, and pulse signals. It can also be expanded with FIO modules to accommodate a wide variety of field signal types.
5. How is redundancy switching handled?
The system continuously synchronizes data between the primary and standby controllers. In case of a failure, control is automatically transferred to the standby unit without interrupting the process.
6. Does it support system expansion?
Yes, it supports expansion through various FIO modules, allowing flexible scaling of I/O capacity and functionality based on application requirements.
7. What happens if one controller fails?
If one controller fails, the redundant system ensures that the standby controller takes over immediately, maintaining uninterrupted operation. However, loss of redundancy reduces fault tolerance until the issue is resolved.
8. How does this unit improve system reliability?
By combining duplex redundancy, modular design, and advanced diagnostics, the unit significantly enhances fault tolerance, minimizes downtime risk, and ensures continuous and stable industrial operation.
Yokogawa AFS20D-H4221 Duplex Field Control Unit is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 13950166376 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
