YOKOGAWA PW501 power module

YOKOGAWA PW501 power module

Product Overview

YOKOGAWA PW501 power module is a compact AC-DC conversion power supply product specially designed by Yokogawa Electric for industrial automation core control systems. Its core positioning is to provide stable and reliable DC power supply guarantee for Yokogawa CENTUM CS/VP distributed control system (DCS) and supporting peripheral equipment, especially suitable for the power supply needs of key equipment such as YNT5xx series fiber optic bus repeaters, various control modules, I/O modules, etc. This module adopts an industrial grade compact design that balances installation flexibility and operational stability. Through standardized interfaces and installation methods, it can seamlessly integrate into the mainstream control system architecture of Yokogawa. At the same time, it has a complete protection mechanism and excellent electromagnetic compatibility performance, which can adapt to complex power supply environments and electromagnetic interference scenarios in industrial sites. It is one of the core power components to ensure the continuous and safe operation of industrial automation systems. Its modular design concept not only simplifies the initial deployment process of the system, but also reduces the difficulty of later maintenance and fault replacement, effectively reducing system downtime and improving overall operation and maintenance efficiency.

Specification parameters

The YOKOGAWA PW501 power module is designed with precise parameters to meet the demanding power supply requirements of industrial scenarios. Each core specification parameter has undergone strict industrial level verification. The specific details are as follows:

-Basic information: Model number is PW501, manufacturer is YOKOGAWA (Yokogawa Electric), product type is compact AC-DC power module, country of origin is Japan, core adaptation system is Yokogawa CENTUM CS/VP distributed control system;

-Input electrical parameters: Input voltage range is 100-120V AC ± 10%, compatible with 50/60Hz AC frequency (allowable frequency fluctuation range ± 5%), typical input current value is 0.8A (100V AC)/0.4A (120V AC), input power factor ≥ 0.9 (full load condition);

-Output electrical parameters: The output voltage is a stable 5V DC, with an accuracy of ± 1% (under full load conditions), a rated output current of 5A, and a maximum output power of 25W. The output ripple and noise are ≤ 50mVp-p (measured with a 20MHz bandwidth), with excellent voltage stability and a load adjustment rate of ≤ 0.5%;

-Installation and physical parameters: Supports two standardized installation methods -35mm industrial standard DIN rail installation (compatible with TS35/7.5, TS35/15 specification rails) and panel embedded installation, adapted to different control cabinet layout requirements; The external dimensions (length x width x height) are 102mm x 127mm x 203mm (excluding installation accessories), with a weight of approximately 0.9kg. The compact design can effectively save internal space of the control cabinet;

-Environmental adaptability parameters: operating temperature range is -10 ° C to+55 ° C, storage temperature range is -20 ° C to+70 ° C; relative humidity adaptability range is 0-95% RH (non condensing, working state), 0-98% RH (non condensing, storage state); The tolerable vibration intensity is 10-55Hz, with an amplitude of 0.3mm (sine wave, X/Y/Z direction, 30 minutes each), and the impact intensity is 10G (11ms, half sine wave, X/Y/Z direction, 3 times each);

-Safety and electromagnetic compatibility parameters: comply with international safety standards such as IEC 61010-1, UL 61010-1, CSA C22.2 No.61010-1, etc; Electromagnetic radiation (EMI) meets the EN 55022 Class A standard, and electromagnetic immunity (EMS) meets the EN 55024 standard. It has good electromagnetic compatibility and can effectively resist electromagnetic interference in industrial sites.

Performance characteristics

The YOKOGAWA PW501 power module integrates Yokogawa Electric's core technology in the field of industrial power supply, and has multiple core performance advantages to meet the power supply needs of industrial automation systems, comprehensively ensuring the stability, safety, and reliability of power supply:

-Comprehensive security protection ensures the safe operation of the system: equipped with multiple protection mechanisms, including overvoltage protection (OVP), overcurrent protection (OCP), over temperature protection (OTP), and short circuit protection (SCP). When the output voltage rises abnormally (overvoltage), the output current exceeds the rated value (overcurrent), the internal temperature of the module exceeds the safety threshold (over temperature, typical threshold+85 ° C), or a short circuit occurs at the output terminal, the protection circuit will quickly respond by cutting off the output or limiting the current to protect the module itself and downstream load equipment, avoiding the entire control system from being paralyzed due to power failure;

-Redundant configuration support to enhance system availability: Supports paired redundant installation mode, which enables parallel redundant power supply of two PW501 modules through dedicated redundant connection components. Under normal operating conditions, two modules evenly distribute the load current. When one module fails, the other module can seamlessly take over all load power supply immediately, ensuring uninterrupted power supply and greatly improving the reliability and availability of the control system's power supply. This is especially suitable for critical industrial scenarios that require extremely high power supply continuity;

-Industrial grade stable operation, suitable for complex on-site environments: using high-quality industrial grade electronic components (such as solid-state capacitors, high stability transformers, etc.) and advanced circuit topology design, with excellent voltage and load adjustment rates, can effectively resist the impact of input voltage fluctuations, load changes, and industrial electromagnetic interference on output voltage; The wide temperature working range and good anti vibration and anti impact performance enable it to operate continuously and stably in harsh industrial environments such as high temperature, low temperature, and vibration, with an average time between failures (MTBF) of over 100000 hours;

-Modular design, simplifying installation and maintenance: adopting standardized modular structure and interfaces, the installation process does not require complex wiring debugging, and DIN rail installation or panel installation can be completed through snap on design; The front of the module is equipped with clear status indicator lights (power running light, fault alarm light), which can intuitively feedback the working status of the module. When a fault occurs, the operation and maintenance personnel can quickly locate the problem module and replace it without interrupting the power supply of the entire system (under redundant configuration), greatly reducing maintenance costs and system downtime;

-Excellent electromagnetic compatibility, avoiding interference diffusion: Through optimized circuit shielding design and filtering technology, the module has good electromagnetic radiation suppression ability, which can effectively avoid the electromagnetic interference generated during its own operation from affecting surrounding control equipment; At the same time, it has strong electromagnetic immunity and can resist electromagnetic interference generated by high-power equipment such as frequency converters and motors in industrial sites, ensuring stable output voltage and ensuring normal communication and operation between various components of the control system.

Application scenarios

The YOKOGAWA PW501 power module, with its industrial grade stability, comprehensive protection functions, flexible installation methods, and perfect compatibility with the Yokogawa CENTUM CS/VP system, is widely used in various industrial automation fields that require extremely high power supply reliability. Its core application scenarios are concentrated in distributed control systems that require stable DC power supply, including:

-Petrochemical industry: In continuous process industrial scenarios such as petroleum refining, ethylene production, and coal chemical industry, as the core power supply component of Yokogawa CENTUM CS/VP control system, it provides stable 5V DC power supply for YNT5xx series fiber optic bus repeaters, process control modules, I/O modules, field instruments and other equipment; The on-site environment of this industry is complex, with problems such as high temperature, vibration, and electromagnetic interference. The wide temperature adaptability, anti-interference performance, and redundant configuration function of PW501 can effectively ensure the continuous operation of the control system, avoiding production interruptions or safety accidents caused by power supply failures;

-Power industry: suitable for automation control systems in thermal power plants, hydropower plants, nuclear power plants, and substations, supplying power to equipment such as unit monitoring modules, data acquisition modules, and protection relays; The power industry has extremely high requirements for power supply reliability. The multiple protection mechanisms and redundant power supply capabilities of PW501 can ensure that the control system can still work normally in the event of grid voltage fluctuations or module failures, ensuring the safety and stability of power production and transmission processes;

-Metallurgical industry: providing stable power supply for various control modules and detection equipment of Yokogawa control system in high-temperature and strong electromagnetic interference scenarios such as steel and non-ferrous metal smelting and rolling; The industry has high on-site temperatures and strong electromagnetic interference. The wide temperature working range, excellent electromagnetic compatibility, and anti vibration performance of PW501 can effectively resist the impact of harsh environments, ensure the normal operation of control systems, and guarantee the stable implementation of metallurgical processes;

-Paper and textile industry: In the automation control systems of paper production lines and textile printing and dyeing production lines, power is supplied to equipment such as process control modules, motor drive control modules, and quality inspection modules; The compact design of PW501 can save control cabinet space, and the stable output voltage can ensure the coordinated work of various equipment in the production line, improving production efficiency and product quality;

-Other industrial scenarios: It can also be applied to industries such as food processing, pharmaceutical production, water treatment, cement manufacturing, etc. that use the Yokogawa CENTUM CS/VP distributed control system. It provides reliable 5V DC power supply for various control equipment and is a key power guarantee component to ensure the stable and continuous operation of industrial automation systems.