Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Item | Description |
|---|---|
| Product Model | Yokogawa AFS20D-H4221 |
| Product Type | Duplex Field Control Unit (FCU) |
| Manufacturer | Yokogawa Electric Corporation |
| Function | Provides redundant control capability, executes process control logic, and manages field I/O communication within distributed control systems |
| System Compatibility | CENTUM VP / CS 3000 |
| Processor Type | Dual 32-bit RISC processors (redundant configuration) |
| Memory Capacity | 32 MB main memory |
| Communication Interface | Dual Vnet/IP network ports |
| Supported Protocols | TCP/IP, UDP, SNTP |
| Power Supply Voltage | 24 V DC (dual redundant inputs supported) |
| Power Consumption | Approximately 40 W |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -20°C to +70°C |
| Relative Humidity | 5% to 95% RH (non-condensing) |
| Mounting Type | Mounted on system backplane |
| I/O Module Support | Supports analog, digital, and specialty I/O modules |
| Redundancy | CPU and power redundancy supported |
| Diagnostics | Built-in self-diagnosis and watchdog timer |
| Dimensions | 207 × 265.9 x 482.6 mm |
| Weight | 8.0 kg |
| Material | Aluminum and reinforced engineering plastic housing |
| Certifications | CE, UL, CSA, and RoHS compliant |
FAQ
FAQ
Q1: What is the main function of the Yokogawa AFS20D-H4221 Duplex Field Control Unit?
A1: The AFS20D-H4221 provides redundant process control and manages communication with field I/O devices in Yokogawa distributed control systems.
Q2: Which Yokogawa systems are compatible with this unit?
A2: It is compatible with CENTUM VP and CS 3000 control systems.
Q3: What type of redundancy does the AFS20D-H4221 support?
A3: It supports CPU and power redundancy to ensure continuous control operation without downtime.
Q4: What communication network does it use?
A4: The unit uses dual Vnet/IP communication ports for high-speed and reliable system communication.
Q5: What is the power requirement for this module?
A5: It operates on 24 V DC and supports dual redundant power supply inputs.
Q6: What environmental conditions can the AFS20D-H4221 operate in?
A6: It operates between 0°C and +55°C and in humidity levels from 5% to 95% (non-condensing).
Q7: Does the unit include diagnostic functions?
A7: Yes, it features built-in self-diagnostics and a watchdog timer for enhanced reliability.
Q8: What certifications does this product meet?
A8: It complies with CE, UL, CSA, and RoHS international standards.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
