Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Yokogawa NFPW441-50 Power Supply Module is an essential component within the Yokogawa control system architecture, designed to provide stable and reliable power to automation and control modules. It is engineered with high efficiency and robust protection features, ensuring uninterrupted operation in critical industrial environments. This module is widely used in distributed control systems (DCS) where reliability, safety, and redundancy are key requirements.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | NFPW441-50 |
| Type | Power Supply Module |
| Input Voltage | 100–240 VAC, 50/60 Hz |
| Output Voltage | 5 VDC, 24 VDC (depending on system load) |
| Output Power Capacity | 120 W (typical) |
| Dimensions | 146.45x 130x 49.7 mm |
| Weight | 0.6 kg |
| Efficiency | >85% |
| Cooling Method | Natural convection / forced air |
| Operating Temperature | 0 °C to +55 °C |
| Redundancy Support | Yes, supports dual redundant configuration |
Product Applications
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Distributed Control Systems (DCS) for process automation
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Power plant monitoring and control systems
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Oil & gas production and refining facilities
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Petrochemical and chemical process industries
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Pharmaceutical manufacturing automation
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Pulp & paper production control systems
Product Advantages
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High Reliability – Ensures continuous operation under demanding industrial conditions.
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Redundant Power Capability – Supports dual power module installation for enhanced system availability.
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Stable Output – Provides regulated DC voltage with minimal ripple, safeguarding sensitive control electronics.
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Compact Design – Space-efficient structure suitable for control cabinets.
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Strong Protection Features – Over-voltage, over-current, and thermal protection integrated.
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Compatibility – Seamlessly integrates with Yokogawa CENTUM and ProSafe systems.
FAQ
Q1: What type of redundancy is supported by the NFPW441-50?
A1: It supports dual module redundancy, allowing seamless power transfer in case one module fails.
Q2: Can the module operate in both 50 Hz and 60 Hz systems?
A2: Yes, it automatically adapts to either 50 Hz or 60 Hz input frequencies.
Q3: How does the module handle sudden load variations?
A3: The built-in regulation system stabilizes output voltage during rapid load changes.
Q4: What protections are integrated into the design?
A4: It includes over-voltage, over-current, and thermal shutdown protection.
Q5: Is the module hot-swappable in redundant systems?
A5: Yes, it can be replaced without shutting down the system in redundant configurations.
Q6: How is heat dissipation managed?
A6: The module uses natural convection and, in some cases, auxiliary forced air for cooling.
Q7: What is the maximum output ripple?
A7: Typically less than 50 mVpp, ensuring stable supply for sensitive electronics.
Q8: Does the module support monitoring of status signals?
A8: Yes, it provides diagnostic signals for power health and redundancy status.
Q9: Can it be used with legacy Yokogawa systems?
A9: Yes, it is compatible with many CENTUM CS3000 and later systems.
Q10: What is the start-up time of the module after power-on?
A10: The output voltage stabilizes within a few seconds after startup.
Recommended Same-Series or Related Models
| Model | Description |
|---|---|
| NFPW426-50 | Power Supply Module, earlier series |
| NFPW441-40 | Power Supply Module, alternate variant |
| NFPW442-50 | Enhanced Power Supply Module |
| NFDV561-P50 | Digital Output Module (related system use) |
| NFLR121-S50 | Serial Communication Module (system support) |
| NFLF111-S00 | Adapter Module for system integration |
Popular Yokogawa Models from the Same Brand
| Model | Description |
|---|---|
| NTPW451-50 | Advanced Power Supply Module |
| AAI141-S50 | Analog Input Module |
| AAI841-S50 | Analog Output Module |
| ADV151-P50 | Digital Input Module |
| ADV551-P50 | Digital Output Module |
| CP451-10 | Processor Module |
| NFDV561-P50 | Digital Output Module |
| ALR121-S50 | Communication Interface Module |
