Yokogawa NFBU200 Base Module

Product Introduction

The Yokogawa NFBU200 Base Module is a fundamental component in the ProSafe-RS Safety Instrumented System (SIS) platform. Serving as the backbone of the control rack, it provides essential mechanical support and electrical connections for various safety input and output modules. The base module acts as a communication and power distribution hub, enabling reliable signal transfer and power supply to connected field I/O modules.

Designed for robustness and long-term reliability, the NFBU200 ensures optimal system integrity under harsh industrial environments. Its modular design supports quick installation and maintenance, reducing downtime and facilitating scalable system expansion. The NFBU200 is a key enabler for constructing flexible, scalable, and highly reliable safety systems in industries such as oil and gas, petrochemical, power generation, and chemical processing.

Technical Specifications

Applications

The NFBU200 Base Module is critical for building flexible and reliable Safety Instrumented Systems in demanding industrial sectors, including:

• Oil & Gas Production and Refining – Supports modules monitoring emergency shutdown valves, fire and gas detection sensors, and pressure safety systems.

• Chemical and Petrochemical Plants – Forms the foundation for safety control racks handling analog and digital safety signals.

• Power Generation – Ensures high-integrity signal distribution for turbine trip systems and boiler safety shutdowns.

• LNG and Storage Terminals – Provides robust mechanical and electrical infrastructure for monitoring hazardous storage conditions.

• Water and Wastewater Treatment – Supports safe control of chemical dosing and critical pump operations.

• Pharmaceutical Manufacturing – Enables safety layer control for batch processing and environmental monitoring.

Product Advantages

• Robust Mechanical Design: Provides secure and stable mounting for up to 16 I/O modules with reliable electrical contacts.

• Integrated Power Distribution: Efficiently distributes power from rack-level supplies to connected modules.

• Reliable Communication Backbone: Facilitates stable and noise-immune backplane communication within the ProSafe-RS system.

• Ease of Installation and Maintenance: Modular design with clear slot identification enables fast module replacement and system upgrades.

• High Environmental Tolerance: Operates reliably under wide temperature and humidity conditions common in industrial sites.

• Safety Certified: Complies with SIL3 and other international safety standards, ensuring suitability for critical safety applications.

• Scalable Architecture: Allows system expansion by simply adding modules to available slots without complex rewiring.

• Long Service Life: Manufactured with durable, flame-retardant materials designed for extended operational life.

• Global Support and Compatibility: Fully compatible with Yokogawa’s extensive ProSafe-RS product line and supported worldwide.

• Fault Detection Support: Enables seamless integration with diagnostic tools to monitor module health and system status.

Frequently Asked Questions (FAQ)

1. What is the primary role of the NFBU200 Base Module?
   It serves as the mechanical and electrical foundation for mounting and powering ProSafe-RS I/O modules within the safety control rack.

2. How many I/O modules can the NFBU200 support?
   The base module provides 16 slots for various analog and digital I/O modules.

3. Is the NFBU200 compatible with all ProSafe-RS modules?
   Yes, it supports the full range of ProSafe-RS I/O modules designed for analog, digital, and special function inputs and outputs.

4. What safety certifications does the NFBU200 have?
   It complies with SIL3 (IEC 61508), CE, ATEX, RoHS, CSA, and UL standards.

5. Can the base module be installed in harsh industrial environments?
   Yes, it is designed to operate reliably within a temperature range of 0 to 55°C and humidity up to 95% non-condensing.

6. Does the NFBU200 distribute power to connected modules?
   Yes, it distributes power from the rack-level power supply to all installed I/O modules.

7. How does the NFBU200 contribute to system reliability?
   It provides stable electrical contacts and a robust backplane bus, ensuring reliable communication and power to all modules.

8. Is it easy to replace or add modules in the NFBU200?
   Yes, the modular slot design enables quick and safe installation or removal of individual modules without affecting the entire system.

9. What are the dimensions and weight of the NFBU200?
   It measures 482 x 132.5 x 40.5 mm and weighs 1.91 kg.

10. Can the NFBU200 support system expansion?
    Yes, its design allows straightforward addition of modules to increase system capacity as needed.

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Frequently Asked Questions (FAQ)

1. What is the primary role of the NFBU200 Base Module?
   It serves as the mechanical and electrical foundation for mounting and powering ProSafe-RS I/O modules within the safety control rack.

2. How many I/O modules can the NFBU200 support?
   The base module provides 16 slots for various analog and digital I/O modules.

3. Is the NFBU200 compatible with all ProSafe-RS modules?
   Yes, it supports the full range of ProSafe-RS I/O modules designed for analog, digital, and special function inputs and outputs.

4. What safety certifications does the NFBU200 have?
   It complies with SIL3 (IEC 61508), CE, ATEX, RoHS, CSA, and UL standards.

5. Can the base module be installed in harsh industrial environments?
   Yes, it is designed to operate reliably within a temperature range of 0 to 55°C and humidity up to 95% non-condensing.

6. Does the NFBU200 distribute power to connected modules?
   Yes, it distributes power from the rack-level power supply to all installed I/O modules.

7. How does the NFBU200 contribute to system reliability?
   It provides stable electrical contacts and a robust backplane bus, ensuring reliable communication and power to all modules.

8. Is it easy to replace or add modules in the NFBU200?
   Yes, the modular slot design enables quick and safe installation or removal of individual modules without affecting the entire system.

9. What are the dimensions and weight of the NFBU200?
   It measures 482 x 132.5 x 40.5 mm and weighs 1.91 kg.

10. Can the NFBU200 support system expansion?
    Yes, its design allows straightforward addition of modules to increase system capacity as needed.

Related Models (Same Series or Functional Category)

Popular Yokogawa Models

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