YOKOGAWA PW301 is an industrial grade high-performance power module launched by Yokogawa Electric Corporation in Japan, designed to provide stable and reliable power supply for industrial automation control systems such as PLC and DCS. This module adopts an all aluminum fanless structure, paired with crown shaped serrated heat sinks, to achieve efficient heat dissipation and can operate stably for a long time in harsh industrial environments such as high temperature and humidity. It has core advantages such as wide voltage adaptation, anti vibration and dust-proof, and full silence. It has rich onboard interfaces, supports flexible expansion, and is widely used in various industrial automation control scenarios. It provides continuous and clean power output for the core equipment of the system and is a key basic component for the stable operation of industrial control systems. Its origin is Japan, and it follows strict industrial quality control standards to ensure reliable power supply in extreme environments.
Product Overview
YOKOGAWA PW301 is an industrial grade high-performance power module launched by Yokogawa Electric Corporation in Japan, designed to provide stable and reliable power supply for industrial automation control systems such as PLC and DCS. This module adopts an all aluminum fanless structure, paired with crown shaped serrated heat sinks, to achieve efficient heat dissipation and can operate stably for a long time in harsh industrial environments such as high temperature and humidity. It has core advantages such as wide voltage adaptation, anti vibration and dust-proof, and full silence. It has rich onboard interfaces, supports flexible expansion, and is widely used in various industrial automation control scenarios. It provides continuous and clean power output for the core equipment of the system and is a key basic component for the stable operation of industrial control systems. Its origin is Japan, and it follows strict industrial quality control standards to ensure reliable power supply in extreme environments.
Core functional features
1. Efficient heat dissipation and noise free operation design
The module adopts an all aluminum fanless structure design, combined with a unique crown shaped serrated heat sink, maximizing the heat dissipation area and effectively improving the heat dissipation efficiency. It can work stably for a long time in a high temperature environment of 65 ℃, avoiding performance degradation or failure caused by overheating. The fanless design achieves full silent operation, reducing noise pollution in industrial sites, and is suitable for control rooms, precision manufacturing workshops, and other scenarios that require noise control.
2. Wide environment adaptation and high reliability
Has excellent environmental adaptability, supports long-term normal operation in high humidity environments with 95% humidity (no condensation), and has good seismic and impact resistance, which can withstand vibration interference in industrial sites. The module adopts dust-proof design, effectively preventing dust from entering the internal circuit, reducing the risk of failure, and adapting to complex and harsh industrial operating environments.
3. Flexible expansion and rich interface configuration
The module board has rich interfaces, including 6 USB interfaces, 6 COM interfaces, and 1 GPIO interface, supporting dual screen independent display and meeting the connection needs of various peripherals in industrial sites. Simultaneously supporting the expansion of dual PCI adapter devices, it has strong functional expansion capabilities and can be flexibly configured according to actual application needs to adapt to industrial control systems of different complexities.
4. Stable power supply and convenient storage expansion
Capable of wide voltage adaptation (specific voltage range subject to product manual), it can stably output clean power, provide reliable power supply for core equipment such as PLC, sensors, and actuators, and reduce the impact of voltage fluctuations on system operation. Supports external storage hard drives, CF cards, and 3G cards, with a convenient plug-in design and special fixing method, balancing data storage requirements and installation and maintenance convenience.
5. Integrated core hardware configuration
Onboard Intel ® The Atom D525 processor (1.86GHz) and ICH8M chipset, combined with 1GB/2GB onboard DDR3 memory, have stable computing processing capabilities and can efficiently support the management and control functions of power modules. Adopting AMI 16Mbit BIOS and integrating 2 82574L Gigabit Ethernet ports, it ensures stable and high-speed network communication, making it easy to access industrial communication networks for remote monitoring and management.
Detailed technical specifications
1. Core hardware parameters
-Processor: Intel ® Atom D525 1.86GHz
-Chipset: ICH8M
-Memory: onboard 1GB/2GB DDR3
- BIOS:AMI 16Mbit
-Network interface: 2 82574L Gigabit Ethernet ports
2. Power supply and output parameters
-Power supply mode: Wide voltage adaptation (specific scope subject to product manual)
-Output characteristics: Stable DC output, low ripple factor, ensuring power supply cleanliness
-Overload protection: It has multiple protection functions such as overload, overvoltage, and short circuit (specific parameters are subject to the product manual)
3. Interface and Extension Parameters
-Universal interfaces: 6 x USB, 6 x COM, 1 x GPIO
-Display support: Dual screen independent display
-Scalability: Supports dual PCI adapter devices
-Storage Expansion: Supports external hard drives, CF cards, and 3G cards (convenient insertion and removal+special fixation)
4. Environmental and physical parameters
-Working environment temperature: -20 ℃~65 ℃, suitable for high temperature industrial scenarios
-Working humidity: 10%~95% RH (non condensing), able to withstand high humidity environments
-Storage environment: Temperature -40 ℃~85 ℃, humidity 5%~95% RH (no condensation), no severe impact or vibration
-Protective performance: earthquake resistance, impact resistance, dust prevention; Insulation strength and anti-interference performance meet industrial grade standards
-Material and structure: All aluminum shell, crown shaped serrated heat sink; Fanless design
Applicable system and configuration requirements
The YOKOGAWA PW301 power module is mainly suitable for Yokogawa and other brands of PLC and DCS industrial automation control systems. As the core power supply unit, it provides power support for system equipment. When configuring, the following points should be noted:
-Voltage matching: It is necessary to confirm the supply voltage range and output voltage level of the module based on the total power consumption of the system and the rated voltage of the equipment, to ensure accurate matching with the system requirements
-Wiring specifications: Power cables must use cables that comply with industry standards and maintain a minimum distance of 100mm from the main circuit and signal cables to avoid electromagnetic interference; The wiring terminals should be securely fastened to prevent poor contact from causing unstable power supply
-Grounding requirements: The module must implement standardized protective grounding with a grounding resistance of ≤ 100 Ω to ensure equipment safety and anti-interference performance, and avoid faults caused by poor grounding
-Installation space: Sufficient heat dissipation space should be reserved during installation to avoid close contact with other heating devices, ensure smooth heat dissipation channels, and ensure that the module operates within the rated temperature range
Typical application scenarios
With excellent environmental adaptability, stable power supply performance, and flexible expansion characteristics, the PW301 power module is widely used in various industrial automation control scenarios, including:
1. Power supply for industrial control systems
As the core power supply unit of PLC and DCS systems, it provides stable power supply for controllers, I/O modules, signal acquisition modules and other equipment, adapts to large-scale industrial control systems in industries such as petrochemicals, power production, metallurgy, etc., and ensures continuous and stable operation of the system.
2. Precision manufacturing and workshop automation
Suitable for precision manufacturing workshops such as electronic component manufacturing and semiconductor processing, providing clean and stable power for servo controllers and precision testing equipment in automated production lines. At the same time, the fanless fully silent design is suitable for workshop noise control requirements.
3. Industrial scenes in harsh environments
In harsh industrial environments with high temperature, high humidity, and high dust, such as mining, port terminals, outdoor industrial control stations, etc., reliable power supply is provided for various control equipment, ensuring power continuity with its dust-proof, earthquake resistant, and wide temperature adaptability characteristics.
4. Data collection and monitoring system
Provide stable power supply for data collection terminals, remote monitoring equipment, network communication equipment, etc. in industrial sites, support 3G card expansion for remote data transmission, and adapt to data collection and control scenarios such as energy monitoring, environmental monitoring, and smart grids.





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