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Product Introduction
The Yokogawa NFDV551-P10 S2 Digital Output Module is an advanced output unit designed for reliable actuation and control in distributed control systems (DCS) and safety instrumented systems (SIS). Specifically developed for integration with the Yokogawa CENTUM VP and ProSafe-RS systems, this module provides multiple digital output channels with high accuracy, robust isolation, and built-in diagnostics to ensure secure and uninterrupted plant operations.
With its modular construction, the NFDV551-P10 S2 simplifies system engineering, commissioning, and maintenance. It is ideally suited for mission-critical applications where stable control of actuators, relays, and field devices is required. This module is also optimized for space-saving installation, while maintaining high reliability and compliance with international industrial standards.
Product Specifications
| Parameter | Description |
|---|---|
| Model Number | NFDV551-P10 S2 |
| Type | Digital Output Module |
| Number of Output Channels | 16 channels |
| Output Signal Type | 24 V DC digital output |
| Output Current Rating | 0.5 A per channel (max.) |
| Output Voltage Range | 18 – 32 V DC |
| Output Response Time | < 5 ms typical |
| Isolation | Channel-to-channel and channel-to-system isolation |
| Power Supply Voltage | 5 V DC (from I/O bus) |
| Power Consumption | Approx. 4.0 W |
| Redundancy Support | Supported (dual redundant system configuration) |
| Diagnostics | Channel fault detection, self-diagnosis, loop monitoring |
| Operating Temperature | -20 °C to +55 °C |
| Storage Temperature | -40 °C to +70 °C |
| Humidity | 5 – 95 % RH (non-condensing) |
| EMC Compliance | IEC/EN standards for industrial environments |
| Dimensions (H × W × D) | 32.8 × 107.5 × 130 mm |
| Weight | 0.2 kg |
| Mounting | Mounted on Yokogawa I/O base unit |
| System Compatibility | CENTUM VP, ProSafe-RS |
Product Applications
The NFDV551-P10 S2 is widely used in critical automation and safety applications where reliable signal output to field devices is essential. Examples include:
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Oil & Gas Industry: Actuating solenoid valves, pumps, and shutdown devices.
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Petrochemical Plants: Driving interlock relays, alarms, and emergency shutdown systems.
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Power Generation: Controlling turbines, auxiliary systems, and protection relays.
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Pharmaceutical Manufacturing: Precision control of production equipment and safety devices.
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Water Treatment Plants: Operating gates, pumps, and automated control systems.
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Steel and Mining Industries: Actuating heavy-duty machinery and field relays.
Product Advantages
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High Reliability: Engineered for critical industrial processes, ensuring stable output control with redundancy options.
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Fast Output Response: Typical response of less than 5 ms supports real-time plant operation.
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Strong Isolation: Each channel provides secure electrical isolation, minimizing risk of interference or faults.
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Advanced Diagnostics: Integrated self-checking, fault detection, and loop monitoring reduce downtime and simplify troubleshooting.
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Modular and Scalable: Designed for use within Yokogawa’s modular I/O base units, allowing flexible system expansion.
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Compact Design: Small footprint and lightweight construction optimize cabinet space.
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Compliance with International Standards: Ensures reliability and global deployment in demanding environments.
Frequently Asked Questions (FAQ)
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How many output channels does the NFDV551-P10 S2 provide?
It provides 16 independent digital output channels. -
What is the maximum current supported per output channel?
Each channel can supply up to 0.5 A at 24 V DC. -
What is the typical response time for output signals?
The response time is typically less than 5 milliseconds. -
Is channel-to-channel isolation provided in this module?
Yes, each output channel is isolated from others and from the system. -
What type of load devices can be driven by this module?
The module is suitable for driving solenoid valves, relays, alarms, and similar 24 V DC field devices. -
Does the module support redundancy for safety applications?
Yes, it can operate in dual redundant configurations to enhance system availability. -
What diagnostic functions are available in the NFDV551-P10 S2?
The module supports self-diagnosis, loop monitoring, and output fault detection. -
What is the power consumption of this module?
The module typically consumes around 4.0 W. -
Which Yokogawa systems are compatible with the NFDV551-P10 S2?
It is fully compatible with CENTUM VP and ProSafe-RS systems. -
What standards does the module comply with for industrial environments?
It complies with IEC/EN standards for EMC and industrial-grade usage.
Related Models (Same or Similar Series)
| Model | Description | Channels | Signal Type |
|---|---|---|---|
| NFDV161-P50 S2 | Digital Input Module | 16 channels | 24 V DC |
| NFDV121-P50 S2 | Digital Input Module | 32 channels | 24 V DC |
| NFVU161-P50 S2 | Digital Output Module | 16 channels | 24 V DC |
| NFVU121-P50 S2 | Digital Output Module | 32 channels | 24 V DC |
| NFAV161-P50 S2 | Analog Input Module | 16 channels | 4–20 mA / Voltage |
| NFAU141-P50 S2 | Analog Output Module | 8 channels | 4–20 mA |
Popular Yokogawa Models (Widely Used Across Systems)
| Model | Type | Channels | Application |
|---|---|---|---|
| NFDV551-P10 S2 | Digital Output | 16 | Actuation and field device control |
| NFDV161-P50 S2 | Digital Input | 16 | Monitoring process inputs |
| NFVU161-P50 S2 | Digital Output | 16 | Control outputs for valves and relays |
| NFAV161-P50 S2 | Analog Input | 16 | Process variable acquisition |
| NFAU141-P50 S2 | Analog Output | 8 | Actuator and valve control |
| CP451-10 | Processor Module | N/A | Core processing unit for CENTUM VP |
