In the field of industrial automation, the power module serves as the "heart" of equipment operation, and its stability and performance directly affect the reliability of the entire system. The OMRON 3G2A5-PS221-E, as a classic power module, has become the preferred choice for numerous industrial control systems thanks to its excellent technical parameters and wide application scenarios.

I. Technical Parameters and Performance Analysis

The OMRON 3G2A5-PS221-E is a power module specifically designed for industrial environments, and its technical parameters fully reflect the pursuit of high efficiency and stability:

Input Voltage Range

This module supports a wide input voltage range of 100-120V AC or 200-240V AC, covering mainstream global industrial voltage standards and adapting to power grid environments in different countries and regions. This feature gives it a significant advantage in international production lines or transnational projects.

Output Capacity

The output end provides a stable 5V DC/7A DC power supply, with a total output power of 35W. This design not only meets the needs of low-voltage, high-current equipment (such as PLCs, sensors, relays, etc.) but also reduces energy consumption through efficient voltage conversion technology.

Installation and Compatibility

It adopts a backplane installation method with screw terminal connections to ensure the stability of electrical connections. The module is compatible with OMRON's C1000H and C2000H series PLC systems, allowing seamless integration into existing control architectures and simplifying system upgrade processes.

Environmental Adaptability

It complies with RoHS environmental standards, features lead-free design, is suitable for a wide operating temperature range of -20°C to 60°C, and can withstand vibration, dust, and electromagnetic interference in industrial environments.

II. Core Features: Balancing Stability and Efficiency

The outstanding advantage of the 3G2A5-PS221-E lies in the balance of its comprehensive performance:

High-Reliability Design

Built-in overcurrent protection, overvoltage protection, and short-circuit protection functions automatically cut off the output when abnormalities are detected, preventing equipment damage. Its MTBF (Mean Time Between Failures) exceeds 100,000 hours, significantly reducing maintenance frequency.

Dynamic Response Capability

In the event of sudden load changes (such as motor startup), the module can quickly adjust the output voltage, controlling fluctuations within ±5% to ensure stable operation of sensitive electronic equipment.

Compact Design

The module measures only 100mm (length) × 60mm (width) × 30mm (height) and weighs approximately 200g, facilitating installation in space-constrained cabinets.

Low Standby Power Consumption

Power consumption is less than 1W under no-load conditions, aligning with green manufacturing trends and suitable for backup power systems requiring long-term standby.

III. Typical Application Scenarios

With its technical advantages, the 3G2A5-PS221-E is widely used in the following fields:

Industrial Automation Production Lines

As the core power supply for PLCs, HMIs (Human-Machine Interfaces), and sensors, it provides uninterrupted power for automated processes such as automobile assembly and food packaging. For example, in automobile welding robot systems, its stable output ensures precise movements of robotic arms.

Power System Monitoring

In substation or distributed energy systems, it powers data acquisition terminals and communication modules, ensuring real-time monitoring and remote control of grid status.

Intelligent Manufacturing Equipment

Serving high-end equipment such as CNC machine tools and 3D printers, its rapid dynamic response capability meets the stringent requirements for power supply stability in high-precision machining.

Environmental Protection and Water Treatment Facilities

In the pump control systems of sewage treatment plants, the module's wide temperature operating capability ensures reliable equipment operation in humid and corrosive environments.

Product website:

https://www.3splc.com/omron-3g2a5-ps221-e-power-supply-module-fast-ship-brand-new_p16900.html

The OMRON 3G2A5-PS221-E power module, with its core values of "stability, efficiency, and ease of use," has become an indispensable basic component in the field of industrial automation. Whether in the intelligent transformation of traditional manufacturing industries or the infrastructure construction of emerging fields such as new energy and environmental protection, its technical value will continue to be released.