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Home > Electrical & Electronics > Electrical Control System > Allen-Bradley 1771-P4S Power Supply Module

Allen-Bradley 1771-P4S Power Supply Module

Guizhou Yuanmiao Automation Equipment Co., Ltd.

1Yr

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Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

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Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
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Material Other, Global universal model

Condition Other, Global universal model

Task Other, Global universal model

Mathematical Model Other, Global universal model

Signal Other, Global universal model

Customized Non-Customized

Structure Other, Global universal model

Operating temperature 0°C to 60°C

Humidity 5% - 95% (non - condensing)

Storage Temperature - 40°C to 85°C

Dimensions 116 mm × 286 mm × 182 mm

I. Product Overview

Allen - Bradley 1771 - P4S is a high-performance power supply module belonging to the Allen - Bradley PLC - 5 series, and it is an indispensable power supply component in industrial automation control systems. Its main function is to convert external AC power into stable DC power, providing reliable power support for 1771 series I/O enclosures and related equipment, ensuring that the entire control system operates stably and efficiently in complex industrial environments.

From the perspective of hardware architecture, this module adopts advanced power conversion technology and efficient circuit design, with built-in high-performance conversion chips and precision filter circuits. It can effectively resist fluctuations in grid voltage and electromagnetic interference in industrial sites, ensuring the stability and purity of the output voltage. Its internal circuit layout is reasonable, and various functional modules work together to achieve efficient power conversion and precise current control, providing continuous and stable power for load equipment. At the same time, the design of the module fully considers the harshness of the industrial environment. Through the optimized heat dissipation structure and solid shell design, it improves the module's anti-vibration, anti-impact capabilities and heat dissipation performance, ensuring reliable operation in harsh environments.

In terms of structural design, the 1771 - P4S adopts a standardized module shape with a compact size design, which can be easily installed in industrial control cabinets to work with other equipment. The shell is made of high-strength metal material, which not only has good protective performance, can effectively protect internal circuit components from physical damage, but also has excellent thermal conductivity, which helps the module's heat dissipation and extends the service life of the module.

II. Performance Parameters

(1) Electrical Characteristics
Input Power Supply: It supports a relatively wide range of AC input voltages and can be adapted to two common grid voltage standards: 120V AC and 240V AC. When the input voltage is 120V AC, the input current is relatively large; when the input voltage is 240V AC, the input current is relatively small, and the specific values can be referred to in the product manual. The frequency adaptation range of this module is 50/60Hz, which can meet the frequency requirements of power grids in different regions and has strong versatility.

Output Power Supply: It can provide multiple DC outputs, and the main output voltages include +5V DC and +24V DC. Among them, the +5V DC output current is relatively large, which can usually meet the power supply needs of multiple modules in the 1771 series I/O enclosure; the +24V DC output mainly provides power support for external sensors, actuators and other equipment. The output voltage has high precision and a small fluctuation range, which can provide stable power for load equipment and ensure the normal operation of the equipment.

Protection Function Parameters: It has a built-in perfect protection circuit, with functions such as overcurrent protection, overvoltage protection, and short-circuit protection. Overcurrent protection can automatically limit the current or cut off the output when the output current exceeds the rated value, preventing damage to the module and load equipment; overvoltage protection can act quickly when the output voltage rises abnormally, protecting the load equipment from high-voltage impact; short-circuit protection responds quickly and can immediately cut off the output in case of a short-circuit fault to avoid the expansion of the fault.

(2) Interface Characteristics
Power Input Interface: Equipped with a standard AC power input interface, using a reliable connection method such as screw terminals, the wiring is firm and easy to install and maintain. The interface is provided with clear marks to guide users to correctly connect the live wire, neutral wire and ground wire, avoiding equipment damage or safety accidents caused by wrong wiring.

Power Output Interface: It is connected to the backplane of the 1771 series I/O enclosure through a dedicated connection method to provide DC power for each module in the enclosure. The output interface is designed reliably to ensure stable current transmission, which can meet the power needs of multiple modules working at the same time, and at the same time simplify the wiring structure of the system and improve the reliability of the system.

(3) Environmental Adaptability
Operating Temperature: The operating temperature range of the module is usually 0°C to 60°C, which can adapt to the temperature environment of most industrial production workshops. In high-temperature environments, the module can maintain stable output performance through effective heat dissipation design; in low-temperature environments, the internal circuit can also start and run normally to ensure the continuity of power supply.

Storage Temperature: In the storage state, it can withstand extreme temperatures from -40°C to 85°C, which can meet the temperature requirements of the product in transportation, storage and other links, ensuring that the module can still be used normally after long-term storage.

Anti-Electromagnetic Interference: It has strong anti-electromagnetic interference ability and meets industrial-grade electromagnetic compatibility standards. Through internal electromagnetic shielding and filtering measures, it can effectively resist electromagnetic interference generated by equipment such as motors and frequency converters in industrial sites, ensuring the normal operation of the module itself and the connected equipment.

III. Functional Characteristics

(1) Efficient and Stable Power Conversion
The core function of the 1771 - P4S module is to realize efficient and stable conversion from AC to DC. It can accurately convert the external fluctuating AC power into stable +5V DC and +24V DC power. No matter how the grid voltage changes, it can keep the output voltage stable, providing reliable power guarantee for 1771 series I/O enclosures and related equipment, ensuring that the normal operation of the equipment is not affected by power fluctuations.

(2) Comprehensive Protection Mechanism
The module has a variety of protection functions, providing a strong guarantee for the safe operation of industrial automation systems. Protection functions such as overcurrent, overvoltage and short-circuit can act quickly under different fault conditions, cutting off the power output or limiting the current, preventing damage to the module itself and the connected load equipment, and reducing the risk of system shutdown and maintenance costs caused by power supply faults.

(3) Status Monitoring and Indication
Equipped with intuitive LED status indicators, which can reflect the operating status of the module in real-time. When the module is working normally, the power indicator is on; when faults such as overcurrent, overvoltage and short circuit occur, the corresponding fault indicators will light up, which is convenient for technicians to quickly judge the working status and fault type of the module, improving the efficiency of fault troubleshooting and maintenance.

(4) Good Compatibility and Expandability
This module has good compatibility with Allen - Bradley 1771 series I/O enclosures and related equipment, and can be seamlessly integrated into the system. When the system needs to be expanded, it can be realized by adding modules or other equipment without large-scale adjustments to the existing power module, improving the flexibility and expandability of the system.

Product Tags: 1771-P4S