YOKOGAWA SNB10D-225 Safety Node Unit | ProSafe-RS System

YOKOGAWA SNB10D-225 Safety Node Unit - Advanced Safety I/O Interface

The YOKOGAWA SNB10D-225 Safety Node Unit delivers mission-critical safety interfacing for ProSafe-RS distributed control systems. Engineered for high-reliability industrial environments, this safety node provides seamless integration between safety control units and field instrumentation.

Technical Specifications

• Model Number: SNB10D-225
• Product Type: Safety Node Unit
• System Compatibility: ProSafe-RS Safety Instrumented System
• I/O Capability: Analog and digital signal processing
• Communication Protocol: Dual-redundant safety bus architecture
• Operating Temperature: -20°C to +60°C
• Power Consumption: Low-power design for extended reliability
• Certification: SIL 3 certified for functional safety applications
• Weight: 5.9 kg
• Origin: Japan

Key Features & Benefits

• Dual-Redundant Architecture: Ensures continuous operation with automatic failover protection
• Hot-Swappable Design: Enables maintenance without system shutdown, minimizing downtime
• Diagnostic Capabilities: Built-in self-diagnostics for proactive fault detection
• Flexible I/O Configuration: Supports multiple analog and digital input/output modules
• EMC Compliance: Robust electromagnetic compatibility for harsh industrial environments

Application Scenarios

The SNB10D-225 Safety Node Unit excels in demanding industrial automation applications:

• Emergency Shutdown Systems (ESD): Rapid response for critical process shutdowns in oil & gas facilities
• Fire & Gas Detection: Reliable signal processing for safety-critical monitoring systems
• Burner Management Systems (BMS): Precise control for combustion safety in power generation
• High Integrity Pressure Protection (HIPPS): Overpressure prevention in pipeline and vessel applications
• Process Safety Interlocks: Multi-layer protection for chemical and petrochemical plants

Integration & Compatibility

Designed for seamless integration with YOKOGAWA ProSafe-RS ecosystem, the SNB10D-225 interfaces directly with safety control units, providing deterministic communication and guaranteed response times. The unit supports hot-standby configurations and integrates with CENTUM VP DCS for unified plant-wide control.

Solution Architecture

Deploy the SNB10D-225 as part of a comprehensive safety instrumented system (SIS) architecture. The node unit acts as the critical bridge between field devices and safety logic solvers, ensuring fail-safe operation through continuous diagnostic monitoring and redundant signal paths. Advanced error detection algorithms identify potential failures before they impact system integrity.

Related Products

Enhance your ProSafe-RS safety system with these complementary components:

• Yokogawa SNB10D-445/CU2T Safety Node Unit - Extended I/O capacity variant
• Yokogawa SSC10D-S2111 Duplexed Safety Control Unit - Redundant safety controller
• YOKOGAWA SSC50D-S2121 S1 Safety Control Unit - High-performance safety CPU

Why Choose YOKOGAWA SNB10D-225?

YOKOGAWA's proven track record in safety instrumented systems ensures the SNB10D-225 meets the most stringent industry standards. With over four decades of innovation in process automation, YOKOGAWA delivers uncompromising reliability for applications where safety cannot be compromised. The SNB10D-225 combines advanced diagnostics, redundant architecture, and field-proven technology to protect personnel, assets, and the environment.

© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191

Download PDF file here: