PS-502-A1 Yokogawa

PS-502-A1 Yokogawa Output I/O module

Product  Description：

The technical specifications for the PS-502-A1 ensure compatibility with global industrial standards. The input voltage range typically supports universal AC power, generally spanning from 100 to 240 Volts AC at a frequency of 50 or 60 Hertz. The module provides a regulated 5 Volts DC output to the backplane to power internal logic and module circuitry, along with a 24 Volts DC output for field device loops and interface power. It is designed for installation in a dedicated power supply slot within the system's base plate. The module also features built-in protection against overvoltage and overcurrent conditions to prevent damage to downstream components. It typically includes a status contact output that can be used for remote monitoring of power health.

Product Advantages

One of the foremost advantages of the PS-502-A1 is its exceptional stability. It provides clean, noise-filtered power that is essential for the precise operation of sensitive analog-to-digital converters found in industrial I/O modules. The module is built for longevity, utilizing high-quality components that can withstand the thermal stress of 24/7 operation. Another significant advantage is the diagnostic capability; the module often includes LED indicators on the front panel that provide immediate visual confirmation of the power status, helping maintenance personnel quickly identify power-related issues. Furthermore, its seamless integration with Yokogawa's control platforms ensures that there are no compatibility issues regarding physical fit or electrical characteristics.

Important Considerations

When installing or maintaining the PS-502-A1, several precautions must be observed. First, ensure that the input power source matches the module's rated voltage and frequency to avoid permanent hardware damage. Because this module handles high-voltage AC, all wiring should be performed by qualified personnel with the power source disconnected to prevent electrical shock. It is also vital to provide adequate ventilation within the control cabinet, as power supplies generate heat during operation; excessive ambient temperatures can significantly shorten the lifespan of the module. Users should also regularly check the status of the power supply contacts in their control logic to ensure that any power degradation is caught before it leads to a total system shutdown. Lastly, always confirm that the total power consumption of all modules in the rack does not exceed the rated output capacity of the PS-502-A1.

Product Applications

The PS-502-A1 is widely applied in various process industries where reliable control system operation is non-negotiable. In the oil and gas industry, it powers the controllers and I/O units used for monitoring wellheads, pipelines, and refinery processes. In chemical and pharmaceutical manufacturing, it ensures the continuous operation of batch control systems where power interruptions could lead to significant product loss. It is also commonly found in water treatment plants and power generation facilities, supporting the distributed control systems (DCS) and programmable automation controllers (PAC) that manage critical infrastructure. Essentially, it is used in any environment where a Yokogawa STARDOM or compatible system is deployed to manage complex industrial automation tasks.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.