Products Description
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Yokogawa PW401 Power Supply Module – Product Overview
The Yokogawa PW401 Power Supply Module is an essential component designed to deliver stable and reliable power to field control systems in demanding industrial environments. Designed as part of Yokogawa’s high-performance control systems, the PW401 ensures consistent voltage output with high current capacity, making it ideal for mission-critical automation processes.
It operates on an AC input of 100–120V at 50/60Hz with a 4.0A current draw and delivers a regulated DC output of 5.1V at 20A, amounting to a total output capacity of 102W. With compact construction and robust design, the PW401 is particularly suited for applications within the CENTUM VP and other Yokogawa DCS platforms.
Technical Specifications
| Parameter | Details |
|---|---|
| Model Number | PW401 |
| Manufacturer | Yokogawa |
| Product Type | Power Supply Module |
| Input Voltage Range | 100–120 VAC |
| Input Frequency | 50/60 Hz |
| Input Current | 4.0 A |
| Output Voltage | 5.1 V DC |
| Output Current | 20 A |
| Output Power | 102 W |
| Dimensions (W x H x D) | 280 × 100 × 280 mm |
| Weight | 3.26 kg |
| Operating Temperature | 0 to 55 °C |
| Storage Temperature | -20 to 70 °C |
| Relative Humidity | 5% to 95% RH (non-condensing) |
| Mounting Type | Rack Mount |
| Cooling Method | Convection Air-Cooled |
| Compliance | CE, RoHS, CSA |
Key Features
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High-efficiency DC output with precise voltage regulation
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Designed specifically for use with Yokogawa control systems
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Convection cooling system for fanless, low-noise operation
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Protection features: over-voltage, over-current, and thermal shutdown
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Compact footprint with rack-mount capability for system integration
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LED indicators for operational status monitoring
Product Advantages
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Ensures system stability and reliability for critical process automation
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Long operational lifespan with low maintenance requirements
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Fully compatible with Yokogawa’s DCS platforms, including CENTUM VP
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Designed to meet stringent industrial and safety standards
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Easy installation and replacement minimize downtime
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Suitable for use in harsh industrial environments with extended temperature and humidity tolerance
Applications
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Distributed Control Systems (DCS) – CENTUM VP Series
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Manufacturing automation systems
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Power generation and utilities
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Oil & gas processing facilities
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Chemical and petrochemical plants
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Pharmaceutical manufacturing units
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Water treatment and desalination plants
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Pulp and paper industries
Recent Report Title
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“Yokogawa Enhances System Stability with New Generation Power Modules Including PW401 – A Boost to Industrial Reliability” (2024 Industrial Control Systems Review)
Related or Similar Yokogawa Models (Same Series/Function)
| Model | Input Voltage | Output Voltage | Output Power | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| PW402 | 100–240 VAC | 5.1 V DC, 15 A | 76.5 W | 280 × 100 × 280 | 3.10 |
| PW405 | 100–120 VAC | 5.2 V DC, 22 A | 114.4 W | 280 × 100 × 280 | 3.30 |
| PW301 | 100–240 VAC | 24 V DC, 10 A | 240 W | 280 × 100 × 280 | 3.35 |
| PW302-S4 | 100–120 VAC | 24 V DC, 15 A | 360 W | 280 × 100 × 280 | 3.40 |
| PW102 | 100–240 VAC | 5 V DC, 12 A | 60 W | 280 × 100 × 280 | 3.25 |
| PW101 | 100–240 VAC | 5 V DC, 10 A | 50 W | 280 × 100 × 280 | 3.20 |
Popular Yokogawa Models
| Model | Type | Input/Output Voltage | Application | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| AAI543-H50 | Analog Input Module | 24 VDC / 4–20 mA | Field analog signal processing | 130 × 40 × 180 | 0.60 |
| ADV551 | Digital Output Module | 24 VDC | ON/OFF signal output | 130 × 40 × 180 | 0.55 |
| SAI533 | Analog Input Module | 24 VDC / 0–10 V | Low-level analog signal input | 130 × 40 × 180 | 0.65 |
| PW302-S4 | Power Supply Module | 100–120 VAC / 24 VDC | High-load power applications | 280 × 100 × 280 | 3.40 |
| CP451-10 | Processor Module | — | System CPU for DCS applications | 280 × 100 × 280 | 2.50 |
| AMN11 | Network Interface Module | Ethernet | Control network communication | 130 × 40 × 180 | 0.70 |
FAQ
Frequently Asked Questions (FAQ)
Q1: What is the function of the Yokogawa PW401 Power Supply Module?
A1: The PW401 supplies a stable 5.1V DC output at 20A to support control system modules within Yokogawa DCS platforms, ensuring system reliability.
Q2: Can the PW401 be used in non-Yokogawa systems?
A2: While technically possible, the PW401 is optimized and tested for Yokogawa DCS applications and may not be compatible or supported in third-party systems.
Q3: What safety features are integrated into the PW401 module?
A3: It includes over-voltage protection, over-current protection, and thermal shutdown to prevent damage under fault conditions.
Q4: What are the typical environmental conditions for operating the PW401?
A4: The module operates reliably in temperatures from 0 to 55 °C and relative humidity from 5% to 95% non-condensing.
Q5: How is the PW401 cooled during operation?
A5: The unit uses convection cooling, which eliminates the need for fans, resulting in quieter operation and fewer moving parts.
Q6: Does the PW401 support hot-swapping?
A6: No, the PW401 does not support hot-swapping. Power must be turned off before replacing or installing the module.
Q7: What mounting configuration is required for the PW401?
A7: It is designed for rack mounting within the Yokogawa DCS system chassis or specified cabinets.
Q8: What is the expected service life of the PW401?
A8: Under standard conditions, the PW401 offers a long operational life of over 10 years, depending on usage and environment.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
