Product Details
Product Overview
The Yokogawa AFS10D-H4121 functions as the high-availability core of the CENTUM VP control system. This Duplexed Field Control Unit (FCU) manages real-time process control logic while maintaining seamless synchronization between redundant processor modules. Designed for 19-inch rack mounting, the AFS10D-H4121 provides the necessary computational power and expanded I/O capabilities for V net and RIO communication architectures. We offer this unit as 100% Brand New and Original to ensure maximum plant uptime and safety compliance.
Part Number Breakdown
The AFS10D-H4121 follows Yokogawa's modular configuration logic. The specific suffix codes represent the hardware internal specifications and power ratings:
| Suffix Code | Description |
| -H | High-speed / High-performance processing type |
| 4 | Dual-redundant (Duplexed) hardware configuration |
| 1 | Standard V net/RIO communication interface |
| 2 | 220-240 V AC Power supply variant |
| 1 | Basic functional expansion license included |
Technical Specifications
The AFS10D-H4121 utilizes robust components to handle high-demand industrial processing.
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Configuration: Duplexed (Redundant) Field Control Unit.
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Mounting Type: Standard 19-inch rack-mountable chassis.
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Input Voltage Options: Supports 100-120 V AC, 220-240 V AC, or 24 V DC.
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Max Power Consumption: 410 VA (at 220-240 V AC range).
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Built-in Breaker: Integrated 8A/250V fuse for overcurrent protection.
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Network Interface: Supports V net/IP and Remote I/O (RIO) functional expansion.
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Condition: Guaranteed 100% Brand New, original factory seal.
Engineering Advantages
The AFS10D-H4121 addresses critical reliability challenges in modern process plants:
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Fault-Tolerant Operation: The duplexed architecture prevents system-wide shutdowns. If one processor module fails, the secondary module assumes control in microseconds without bumping the process, ensuring zero downtime for critical loops.
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High-Density Integration: The 19-inch rack-mount design allows engineers to maximize cabinet space. It integrates seamlessly into existing CENTUM infrastructures, facilitating easier retrofits and system expansions.
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Versatile Power Management: The wide input voltage range (100V AC to 24V DC) allows the unit to operate across diverse global electrical standards and battery-backed DC systems, simplifying inventory for international projects.
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Enhanced RIO Performance: As a "function expanded type," this module optimizes data throughput between the field control station and remote I/O nodes, reducing signal latency in distributed architectures.
FAQs
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Is this unit compatible with older CENTUM CS 3000 systems?
The AFS10D-H4121 primarily targets CENTUM VP environments. While it shares architectural similarities with older series, you must verify your specific V net/IP firmware compatibility to ensure seamless bus integration.
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What protection does the built-in breaker provide?
The unit includes a factory-installed 8A/250V fuse. This protects the internal logic boards from external surges and short circuits, preventing costly damage to the CPU modules during electrical faults.
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How does the duplexing mechanism handle data synchronization?
The AFS10D-H4121 utilizes a dedicated high-speed bus to mirror data between the two processor modules. This ensures that both units possess identical process data, allowing for a "bumpless" transfer if the active unit requires maintenance.
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Does this product ship in its original Yokogawa packaging?
Yes. We supply only 100% brand new units in original factory boxes, complete with all original documentation and serial numbers for verification.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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