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Product Introduction
The Yokogawa NFCP501-W05 Autonomous Controller CPU Module is an advanced, high-reliability processor unit designed for autonomous field control in distributed safety and automation systems. As part of Yokogawa’s renowned ProSafe-RS and Field Control Node (FCN) series, the NFCP501-W05 is engineered to perform local control tasks independently from centralized systems, offering unmatched flexibility, resilience, and performance in critical applications.
This CPU module is especially suitable for complex industrial environments such as offshore platforms, remote wellheads, and subsea production systems where network availability may be limited. The NFCP501-W05’s autonomous architecture ensures that process control continues safely and effectively, even when communication with higher-level systems is disrupted.
With support for IEC 61508 SIL3 safety standards, real-time processing, and robust communication protocols, the NFCP501-W05 is a dependable choice for industries requiring continuous operations, system integrity, and decentralized control capabilities.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | NFCP501-W05 |
| Manufacturer | Yokogawa Electric Corporation |
| Product Type | Autonomous Controller CPU Module |
| Series | ProSafe-RS / FCN Series |
| Safety Integrity Level | SIL3 (IEC 61508 Compliant) |
| Processor Type | 32-bit RISC Processor |
| Memory | 512 MB RAM, 2 GB Flash |
| Execution Time | 10 ms per 1000 steps (typical) |
| Redundancy Support | Available (Dual Redundant CPU Configuration) |
| Network Interfaces | Vnet/IP, Modbus, Ethernet, ISA100 Wireless (via module) |
| I/O Module Compatibility | Supports local and remote I/O (FCN/ProSafe-RS modules) |
| Operating Voltage | 24 V DC (nominal) |
| Power Consumption | Approx. 12 W |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% RH (non-condensing) |
| Mounting Type | DIN-rail or Rack Mount |
| Enclosure Rating | IP30 (module level), system-dependent |
| Certifications | CE, ATEX, CSA, FM, TÜV |
| Dimensions (W × H × D) | 49.7 x 130 x 146.5 mm |
| Weight | 0.6 kg |
Product Applications
The NFCP501-W05 is tailored for mission-critical control environments where autonomous decision-making and fault tolerance are required. Key application areas include:
-
Oil & Gas (Upstream & Midstream)
Controls remote wellheads, pipeline stations, and offshore platforms without constant supervision from centralized DCS. -
Subsea Systems
Deployed in remote subsea modules to ensure real-time execution and safety functions even with intermittent network connectivity. -
Power Generation
Applied in auxiliary systems of gas turbines, steam turbines, and hydropower plants for independent safety and automation. -
Petrochemical & Chemical Plants
Enables distributed control of high-risk processes to minimize centralized system load and enhance safety. -
Mining & Metals Processing
Automates localized systems in mining operations, improving uptime and isolating faults. -
Water & Wastewater Treatment
Operates pumping stations, filtration units, and chemical dosing systems independently.
Product Advantages
The NFCP501-W05 Autonomous CPU Module offers numerous operational and technical benefits:
-
True Autonomy
Enables local control execution independently from the central control system, ensuring continuous operation in remote areas. -
SIL3 Certified Safety
Fully compliant with IEC 61508 SIL3, meeting the highest safety requirements for industrial applications. -
Rugged Design
Engineered for extreme industrial conditions, including wide temperature ranges and shock/vibration resistance. -
Dual Redundancy Option
Minimizes the risk of system failure with CPU redundancy, ensuring reliability in all operational states. -
Open Communication Protocols
Supports Ethernet, Modbus, Vnet/IP, and more, facilitating easy integration with third-party systems. -
Scalable Architecture
Easily expandable with additional I/O modules, network interfaces, and control segments as project needs grow. -
Reduced Downtime
Intelligent diagnostics, remote monitoring support, and self-healing features reduce maintenance and service interruption. -
Low Power Consumption
Efficient power usage makes it suitable for solar-powered or battery-backed field locations.
Frequently Asked Questions (FAQ)
-
What makes the NFCP501-W05 suitable for autonomous control?
It can execute control logic locally without reliance on a central controller, making it ideal for remote or isolated installations. -
Is it certified for safety-critical applications?
Yes, it is certified to IEC 61508 SIL3 standards. -
Does this module support redundant operation?
Yes, a dual redundant configuration is supported to ensure fault-tolerant operation. -
What types of networks can it communicate over?
It supports Vnet/IP, Modbus, and Ethernet protocols. ISA100 Wireless is also available via expansion. -
How is the NFCP501-W05 mounted?
It can be DIN-rail or rack-mounted, depending on system requirements. -
Is it compatible with other Yokogawa FCN modules?
Yes, it seamlessly integrates with other FCN and ProSafe-RS modules. -
What is the typical power consumption of this CPU module?
Approximately 12 watts during normal operation. -
Can I monitor it remotely?
Yes, it supports remote diagnostics and monitoring via engineering tools. -
What happens if communication with the central system is lost?
The NFCP501-W05 continues operating autonomously, executing its programmed logic without interruption. -
Is firmware updating possible in the field?
Yes, it supports field firmware updates using Yokogawa’s configuration and maintenance software.
Related Models from the Same Series or Platform
| Model Number | Description | SIL Level | Dimensions (mm) | Weight |
|---|---|---|---|---|
| NFCP501-S15 | Standard CPU Module for ProSafe-RS | SIL3 | 70×130×170 | 0.9 kg |
| NFCP502 | Enhanced Performance Autonomous CPU | SIL3 | 70×130×170 | 1.1 kg |
| NFAP100 | Application Processor Module | N/A | 70×130×150 | 0.85 kg |
| NFCP503 | Dual-Channel CPU Module | SIL3 | 70×130×170 | 1.0 kg |
| NFAI841 | Analog Input Module for FCN | N/A | 48×130×160 | 0.6 kg |
| NFCS201 | System Controller for Distributed Control | SIL3 | 70×130×170 | 1.0 kg |
Popular Yokogawa Modules Across Product Lines
| Model Number | Description | Application Area | Dimensions (mm) | Weight |
|---|---|---|---|---|
| AAI543-H50 | High-Density Analog Input Module | Process Input Signal Capture | 48×130×160 | 0.6 kg |
| AAI841-H00 | Analog Output Module | Loop Control Systems | 48×130×160 | 0.6 kg |
| CP451-10 | CPU Module for CENTUM VP | Centralized Control Systems | 70×130×170 | 1.0 kg |
| PW482-10 | System Power Supply Module | Power Management | 70×130×150 | 1.2 kg |
| SAI533-H00 | Isolated Analog Input Module | Instrumentation & Safety | 48×130×160 | 0.6 kg |
| ADV151-P00 | Vnet/IP Communication Interface | Network Communication | 48×130×150 | 0.7 kg |
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