Yokogawa NFPW426-50 Power Supply Module

The Yokogawa NFPW426-50 Power Supply Module is a high-performance power supply unit designed for industrial automation systems, particularly within Yokogawa’s control platforms. This module provides stable and reliable DC power to the system’s I/O modules and controllers, ensuring uninterrupted operation of process control systems.

It is engineered with redundancy support, protective features against overload and short circuits, and high efficiency for reduced heat generation. Its compact design makes it easy to integrate into system racks, providing users with consistent and dependable power under demanding industrial conditions.

Technical Specifications

Product Applications

• Distributed Control Systems (DCS) in process industries

• PLC-based automation systems requiring stable 24 V DC supply

• Powering I/O modules, CPUs, and communication modules

• Industrial environments such as oil & gas, chemical plants, power generation, and water treatment facilities

• Redundant power configurations for critical system uptime

Product Advantages

• High Reliability: Designed for continuous operation in industrial environments.

• Redundancy Support: Can be used in parallel with another power module for uninterrupted operation.

• Compact Design: Saves space in control cabinets.

• Stable Output: Provides a regulated 24 V DC supply with low ripple.

• Protection Features: Ensures system safety by protecting against overload, overvoltage, and short circuits.

• Easy Maintenance: Plug-in structure allows fast replacement and reduced downtime.

FAQ

Q1: What is the maximum load capacity of the NFPW426-50?

A1: It can deliver up to 50 W output power at 24 V DC.

Q2: Can this module operate in redundant configurations?

A2: Yes, it supports parallel redundancy to ensure continuous power supply.

Q3: Does the module provide overvoltage protection?

A3: Yes, it is equipped with built-in overvoltage protection circuits.

Q4: What is the typical ripple voltage on the DC output?

A4: The ripple is typically less than 100 mV, ensuring stable power for sensitive electronics.

Q5: Is hot-swapping supported for the NFPW426-50?

A5: Yes, it can be replaced without shutting down the entire system, depending on the rack configuration.

Q6: Can the module operate under fluctuating AC input conditions?

A6: Yes, it has a wide input range of 100–240 V AC, making it tolerant of voltage variations.

Q7: What is the recommended operating temperature range?

A7: The module operates reliably between 0 °C and 55 °C.

Q8: Does it have short-circuit protection on the DC output?

A8: Yes, the module automatically shuts down or limits output in case of a short circuit.

Q9: Can it power both CPUs and I/O modules simultaneously?

A9: Yes, the regulated 24 V DC supply is designed to handle system controllers and multiple I/O modules.

Q10: What type of cooling is required?

A10: It uses natural air cooling and does not require external fans.