
Product Description
YOKOGAWA AFV30D-S41251 Duplexed Field Control Unit Overview
The YOKOGAWA AFV30D-S41251 represents a mission-critical duplexed field control unit engineered for high-availability process automation and safety-instrumented systems. This redundant FCU delivers uninterrupted control performance through hot-standby architecture, ensuring seamless failover protection in demanding industrial environments where downtime is not an option.
Technical Specifications
- Model: AFV30D-S41251
- Architecture: Dual-redundant hot-standby configuration
- Battery Backup: 72-hour emergency power supply
- Safety Certification: SIL 3 compliant per IEC 61508
- Communication: Dual ESB bus interface for redundant data transmission
- Operating Temperature: -20°C to +60°C
- Power Supply: 24VDC redundant input
- MTBF: >100,000 hours
- Diagnostic Coverage: >99% fault detection capability
Application Scenarios
The AFV30D-S41251 excels in critical process control applications across multiple industries:
- Oil & Gas: Emergency shutdown systems (ESD), fire and gas detection, pipeline monitoring
- Chemical Processing: Reactor control, batch management, hazardous area monitoring
- Power Generation: Turbine control, boiler management, emissions monitoring
- Pharmaceutical: Clean room environmental control, batch traceability, regulatory compliance
- Water Treatment: SCADA integration, pump control, quality monitoring
Advanced Solutions & Benefits
Bumpless Failover Technology: Proprietary synchronization algorithms ensure zero process disruption during controller switchover, maintaining output stability within ±0.1% during transition events.
Extended Battery Autonomy: The integrated 72-hour battery system provides industry-leading backup duration, enabling safe shutdown procedures during extended power outages while maintaining full diagnostic and communication capabilities.
Predictive Diagnostics: Built-in health monitoring continuously evaluates controller performance, memory integrity, I/O channel status, and communication quality, providing early warning of potential failures before they impact operations.
Cybersecurity Hardening: Multi-layer security architecture includes encrypted communications, role-based access control, and audit logging to protect against unauthorized access and cyber threats.
System Integration
Seamlessly integrates with YOKOGAWA CENTUM VP/CS 3000 DCS platforms and ProSafe-RS safety systems. Compatible with industry-standard protocols including Modbus TCP, OPC UA, and HART for flexible connectivity with third-party devices and enterprise systems.
Related Products
| Product | Description | Link |
|---|---|---|
| YOKOGAWA AFV10D-S41151 | Compact duplexed FCU for space-constrained installations | View Product |
| YOKOGAWA SNB10D-225 | Safety node unit for ProSafe-RS SIL 3 systems | View Product |
| Yokogawa CP461-50 S1 | Processor module for AFV300/AFV400 controllers | View Product |
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