Overview
The Yokogawa S2BN1D-11130 Node Interface Unit (NIU) is a key component in the ProSafe-RS safety control architecture. It acts as an intermediary between the Safety Control Unit (SCU) and the N-IO (Networked I/O) modules, ensuring reliable communication and stable power delivery. This module is essential for maintaining the integrity and responsiveness of safety-critical systems in industries such as oil & gas, petrochemicals, and power generation.
Moreover, the S2BN1D-11130 is designed for high availability and fault tolerance, supporting redundant configurations and robust diagnostics. Its modular design simplifies installation and maintenance, reducing system downtime and lifecycle costs. Therefore, it is widely adopted in distributed safety systems where secure and deterministic communication is vital.
For instance, in a refinery’s emergency shutdown system, this NIU ensures that safety signals from field devices are accurately transmitted to the SCU, enabling rapid and reliable protective actions.
Technical Data
| Parameter | Specification |
|---|---|
| Model | S2BN1D-11130 |
| Product Type | Node Interface Unit (NIU) |
Typical Applications
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Safety Instrumented Systems (SIS) – Interfaces SCU with N-IO modules for emergency shutdown and fault isolation.
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Distributed Control Systems (DCS) – Enables modular and scalable safety control architectures.
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Oil & Gas Facilities – Supports high-integrity safety loops in upstream and downstream operations.
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Power Generation Plants – Ensures safe operation of turbines, boilers, and auxiliary systems.
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Chemical and Petrochemical Plants – Provides deterministic communication for hazardous process control.
The S2BN1D-11130 is often used in greenfield and brownfield projects where safety compliance and system flexibility are top priorities.
FAQ
Q1: What is the primary function of the S2BN1D-11130?
A1: It serves as a communication and power interface between the Safety Control Unit and N-IO modules in ProSafe-RS systems.
Q2: Is it compatible with redundant safety architectures?
A2: Yes, it supports redundant communication paths and power distribution for high availability.
Q3: What certifications does it carry?
A3: It is certified for SIL3 (IEC 61508) and complies with CE, UL, and CSA standards.
Q4: Can it be used in harsh environments?
A4: Yes, it is designed for industrial-grade conditions and safety-critical applications.
Q5: What’s the typical lead time?
A5: Most suppliers list it as available with a lead time of 1–3 business days.
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