Yokogawa NFDV161-P50 S2 Digital Input Module

The Yokogawa NFDV161-P50 S2 Digital Input Module is a high-performance component designed for reliable signal acquisition in distributed control systems (DCS) and safety instrumented systems (SIS). Developed for the Yokogawa CENTUM VP and ProSafe-RS platforms, this module is optimized for processing multiple digital input signals simultaneously, ensuring seamless integration with industrial automation systems.

The NFDV161-P50 S2 provides robust input handling, secure isolation, and advanced diagnostics that guarantee dependable operation in mission-critical applications. Its modular structure makes it ideal for large-scale plants where scalability, maintainability, and long-term system availability are paramount.

Product Specifications

Product Applications

The NFDV161-P50 S2 Digital Input Module is widely applied across industries where process automation and safety are essential. Typical applications include:

• Oil & Gas: Monitoring valve limit switches, emergency shutdown systems, and wellhead control.

• Petrochemical & Chemical Plants: Acquisition of pump status, interlock signals, and safety-related inputs.

• Power Generation: Turbine protection systems, auxiliary equipment monitoring, and plant interlock signals.

• Pharmaceutical & Food Processing: Monitoring production equipment states to ensure process safety.

• Water & Wastewater Treatment: Supervising pumps, gates, and other mechanical equipment status.

Product Advantages

• High Reliability: Designed for mission-critical environments with redundant support and robust isolation.

• Fast Response: Rapid input processing (< 5 ms) ensures real-time reaction to critical signals.

• Diagnostic Functions: Continuous self-checking and input line monitoring reduce downtime and maintenance costs.

• Scalability: Modular architecture supports large-scale expansion and flexible configuration.

• System Integration: Fully compatible with Yokogawa CENTUM VP and ProSafe-RS platforms, ensuring seamless engineering and maintenance.

• Compact & Lightweight: Optimized dimensions and weight reduce panel space and simplify handling.

• Proven Industrial Standards: Compliance with international standards for EMC, safety, and reliability.

Frequently Asked Questions (FAQ)

1. What is the maximum number of digital input channels supported by the NFDV161-P50 S2?

   The module supports 16 independent digital input channels.

2. Does the module support redundancy for critical applications?

   Yes, it supports dual redundant configurations to ensure continuous operation.

3. What is the typical response time for input signal processing?

   The response time is typically less than 5 milliseconds.

4. Is there channel-to-channel isolation in the NFDV161-P50 S2?

   Yes, each channel is optically isolated from others and from the system bus.

5. What types of digital input signals are supported?

   It supports 24 V DC digital input signals, including dry and wet contact configurations.

6. Does the module provide diagnostics for line faults?

   Yes, the module provides line monitoring, self-diagnosis, and fault detection functions.

7. What is the typical power consumption of this module?

   The power consumption is approximately 3.5 W.

8. Can this module operate in harsh environments?

   Yes, it is designed for -20 °C to +55 °C operating temperature and up to 95% humidity.

9. Which Yokogawa systems are compatible with this module?

   It is fully compatible with CENTUM VP and ProSafe-RS platforms.

10. What standards does the module comply with for EMC and industrial usage?

    It complies with IEC/EN industrial standards for electromagnetic compatibility and safety.