The Yokogawa NFDV151-P10/D5A00 Digital Input Module is a high-performance digital interface designed for integration with Yokogawa’s NF Series Distributed Control Systems (DCS). It is used to acquire and process discrete signals from field devices, including switches, relays, and sensors, converting them into precise logic signals for control applications.

Engineered for reliability, the NFDV151-P10/D5A00 ensures accurate detection of digital events even in electrically noisy environments. Its fast scanning and input filtering capabilities make it suitable for critical industrial applications where real-time monitoring of process status is essential. The module is compatible with Yokogawa’s Autonomous Controller (AC) and NF series platforms, allowing seamless integration with analog, digital, and safety I/O modules.

Its modular design and robust construction provide high availability, reduced maintenance needs, and consistent performance in demanding industries such as chemical, power generation, oil & gas, and water treatment.

Product Parameters

Product Applications

The NFDV151-P10/D5A00 module is used across a range of industrial applications, including:

• Chemical and Petrochemical Plants: Monitoring valves, switches, and safety interlocks for process control.

• Power Generation: Detecting breaker status, auxiliary device signals, and turbine interlocks.

• Oil & Gas Facilities: Reading field sensors, level alarms, and discrete process conditions.

• Water & Wastewater Treatment: Monitoring pump status, level switches, and control panel inputs.

• Manufacturing Automation: Real-time feedback from safety devices, motor control, and machinery interlocks.

• Food & Beverage Processing: Integrating discrete signals for batch control and equipment monitoring.

Product Advantages

• Fast Input Response: Detects signal changes in ≤ 10 ms.

• Reliable Isolation: Provides channel-to-channel and channel-to-system protection for noise immunity.

• Wide Compatibility: Works seamlessly with Yokogawa NF Series and AC platforms.

• Robust Industrial Design: Tolerates electromagnetic interference and environmental fluctuations.

• Modular and Scalable: Easy to install in standard racks; scalable for large systems.

• Protection Mechanisms: Built-in over-voltage and short-circuit protection ensures durability.

• Real-Time Monitoring: Supports rapid detection of discrete events for responsive process control.

FAQ

1. What types of signals does the NFDV151-P10/D5A00 accept?

   It accepts discrete digital signals, including dry contact closures and 24 V DC logic signals.

2. How many input channels are provided on this module?

   The module includes 16 individual digital input channels.

3. What is the response time for digital inputs?

   Each input channel responds within 10 ms to signal changes.

4. Is the module isolated for electrical noise protection?

   Yes, it provides channel-to-channel and channel-to-system isolation to maintain signal integrity.

5. Can it be used in high-speed industrial applications?

   Yes, with a 10 ms scanning frequency, it can handle rapid changes in digital input signals.

6. What is the required input voltage range for operation?

   The module operates nominally at 24 V DC input voltage.

7. Does the module include any protective features?

   Yes, it has built-in over-voltage and short-circuit protection for each input channel.

8. Is the module compatible with Yokogawa NF Series and AC platforms?

   Yes, it integrates seamlessly with both NF Series controllers and Autonomous Controller platforms.

9. Can it reliably detect signals in noisy environments?

   Yes, robust isolation and signal filtering ensure accurate readings even under electromagnetic interference.

10. How does it support real-time process control?

    Its fast input scanning and low response time allow instant detection of status changes, supporting precise process control decisions.