Product Introduction
The Yokogawa NFDV151-P10/D5A00 Digital Input Module is a high-density, field-proven solution designed for accurate acquisition of discrete signals in modern distributed control systems. As part of Yokogawa’s FIO (Field Interface I/O) family, this module ensures stable communication between field devices and control platforms such as CENTUM VP and ProSafe-RS.
Engineered for reliability and integration flexibility, it enables efficient monitoring of switches, relays, and safety interlocks—making it an essential component in mission-critical industrial environments.
Technical Specifications
| Parameter | Specification |
|---|
| Model | NFDV151-P10/D5A00 |
| Module Type | Digital Input Module |
| Input Channels | 32 channels |
| Input Signal Type | Dry contact / voltage-free contact |
| Rated Input Voltage | 24 V DC |
| Input ON Voltage | ≥ 12 V DC |
| Input OFF Voltage | ≤ 5 V DC |
| Input Current | Approx. 4 mA per channel |
| Response Time | ≤ 8 ms |
| Isolation | Channel and system isolation |
| Withstanding Voltage | 1500–2000 V AC (1 min) |
| Operating Temperature | -20°C to +70°C |
| Interface Option | D5A00 (cable interface adapter) |
| Dimensions (H×W×D) | 126 × 124 × 22 mm |
| Weight | Approx. 0.3 kg |
| Mounting | FIO base / control cabinet |
Application Areas
This module is widely implemented in industrial systems where reliable status monitoring is essential for safe and efficient operations:
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Oil & gas processing and pipeline systems
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Chemical and petrochemical plants
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Power generation facilities
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Manufacturing automation lines
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Safety instrumented systems (SIS)
Its ability to capture real-time ON/OFF signals ensures operators maintain full visibility over equipment status and process conditions.
Technical FAQs
1. What is the function of the NFDV151-P10/D5A00 module?
It collects digital ON/OFF signals from field devices and transmits them to the control system.
2. How many inputs does this module support?
It supports 32 digital input channels.
3. What type of signals can it process?
Dry contact or voltage-free contact signals are supported.
4. What is the typical operating voltage?
The module operates at a nominal 24 V DC.
5. How fast is the response time?
The response time is 8 milliseconds or less.
6. Does it support redundancy?
Yes, it is compatible with redundant system configurations.
7. What does the D5A00 suffix indicate?
It refers to a cable interface adapter for standardized wiring connections.
8. Is it suitable for safety systems?
Yes, it is commonly used in safety monitoring and interlock systems.
9. What environments can it operate in?
It is designed for industrial environments ranging from -20°C to +70°C.
10. How does it ensure signal integrity?
Through electrical isolation and stable input thresholds.
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