Delta AS-PS02A Enhanced Large Capacity System Power Supply

The Delta AS-PS02A Enhanced Large Capacity System Power Supply is a critical component for robust industrial automation, offering reliable power delivery and seamless integration with Delta's AS Series PLCs. This power supply module is engineered for high-speed processing environments, ensuring consistent performance for complex control tasks. Its key advantages include a compact design that easily snaps onto the side of Delta AS200, AS300, AS500, and AX-3 series CPUs, facilitating efficient space utilization within control panels. The AS-PS02A provides a dual-output configuration, supplying 24VDC at 1.5A (36W) for internal PLC operations and an additional 24VDC at 0.5A (12W) for external devices via screw terminals. This dual functionality enhances system flexibility and expandability. Key technical parameters include a wide input voltage range of 100-240 VAC at 50/60 Hz, ensuring compatibility with various power grids worldwide. The unit is designed for DIN rail mounting and features a pluggable screw terminal for termination, simplifying wiring and maintenance. With an operating temperature range of -20°C to 60°C and an IP20 ingress protection rating, the AS-PS02A is built to withstand demanding industrial conditions.

Product Specifications

| Parameter                     | Specification                                                                       |

| :---------------------------- | :---------------------------------------------------------------------------------- |

| Model                     | AS-PS02A                                                                            |

| Input Voltage             | 100-240 VAC, 50/60 Hz                                                               |

| Internal Output Voltage   | 24 VDC                                                                              |

| Internal Output Current   | 1.5 A (36W)                                                                         |

| External Output Voltage   | 24 VDC                                                                              |

| External Output Current   | 0.5 A (12W)                                                                         |

| Mounting Type             | DIN Rail, Chassis Mount                                                             |

| Termination Style         | Pluggable Screw Terminal                                                            |

| Operating Temperature     | -20°C to 60°C                                                                       |

| Ingress Protection        | IP20                                                                                |

| Compatibility             | Delta AS200CPU, AS300CPU, AS500CPU, AX-3 CPU                                        |

Core Features & Market Positioning

The Delta AS-PS02A is positioned as a high-value power supply solution for the AS Series PLC ecosystem. Its primary competitive advantage lies in its seamless integration and "plug-and-play" functionality with compatible Delta CPUs, which significantly reduces installation time and complexity. Unlike generic power supplies, the AS-PS02A is specifically designed to meet the power requirements of Delta's advanced processors and modules, ensuring optimal system stability and performance. This specialization offers a distinct advantage in applications demanding high reliability and precise control, such as manufacturing automation, process control, and building automation systems where downtime is costly. The unit's robust design and wide operating temperature range further solidify its position as a dependable choice for harsh industrial environments.

Key Application Scenarios

The Delta AS-PS02A power supply module is ideally suited for a broad spectrum of industrial automation applications. In manufacturing automation, it powers PLCs controlling complex production lines, robotic cells, and material handling systems, ensuring uninterrupted operation and maximizing throughput. For process control in sectors like chemical, petrochemical, and water treatment, the AS-PS02A provides the stable power required for precise monitoring and regulation of critical parameters. Furthermore, in building automation, it can reliably power PLCs managing HVAC, lighting, and security systems, contributing to energy efficiency and operational comfort. Its compatibility with Delta's AS Series PLCs makes it a go-to choice for machine builders and system integrators deploying solutions in these diverse fields.

Practical System Integration Guidance

Integrating the Delta AS-PS02A into an industrial control system is straightforward due to its design for the AS Series PLC architecture. The module directly snaps onto the left side of compatible CPU modules (AS200, AS300, AS500, AX-3), eliminating the need for complex wiring harnesses for internal power distribution. For electrical connections, single-core or multi-core cables within the 12AWG to 18AWG range are recommended for the AC input terminals (L and N), with copper conductors rated for 60/75°C. The external screw terminals for the 0.5A output are designed for straightforward connection to auxiliary devices. Ensuring proper grounding is essential for safety and system integrity. The power supply is designed for standard AC input voltages of 100-240 VAC.

Operation and Risk Mitigation

Safe operation of the Delta AS-PS02A involves adhering to standard electrical safety practices. It is crucial to ensure that the input voltage does not exceed the specified range of 100-240 VAC, and that connections are made to the correct terminals (L and N for AC input) to prevent damage to the PLC. The AS-PS02A is designed to maintain operation during short power outages of less than 10 milliseconds, but longer interruptions may affect PLC performance. While specific fault codes directly related to the AS-PS02A are not extensively documented in general product overviews, general PLC error codes for the AS Series, such as "Scan timeout" or "Program in PLC is damaged," can indicate underlying system issues that might be exacerbated by power instability. Always consult the official Delta AS Series Operation Manual for comprehensive troubleshooting guidance and error code interpretation.

Scalability & Long-Term Value

The Delta AS-PS02A contributes to the long-term value and scalability of systems built around the AS Series PLCs. As a modular component, it integrates seamlessly with other AS Series modules, allowing for system expansion by adding more I/O or communication modules as operational demands increase. Its compatibility with various AS Series CPUs, including the AS200, AS300, and AS500 series, ensures that systems can be upgraded or reconfigured without needing to replace the fundamental power supply infrastructure. Furthermore, Delta's commitment to IIoT and digital solutions means that AS Series PLCs, powered by reliable units like the AS-PS02A, can be integrated into smart manufacturing environments, enabling data acquisition, remote monitoring, and predictive maintenance strategies.

Frequently Asked Questions (FAQs)

1. What are the primary advantages of using the Delta AS-PS02A power supply?

The AS-PS02A offers superior integration with Delta AS Series PLCs. Its snap-on design simplifies installation. It provides dual outputs for internal and external power needs.

This power supply ensures reliable operation and is built for industrial environments. It supports a wide input voltage range, enhancing global compatibility.

Its modular nature allows for system expansion without sacrificing valuable control panel space. This makes it ideal for scalable automation projects.

2. Can the Delta AS-PS02A power supply be used with non-Delta PLC systems?

While the AS-PS02A is designed for Delta's AS Series PLCs, its 24VDC output could theoretically power other low-voltage DC equipment. However, this is not recommended for optimal performance and safety.

Using it outside its intended system may lead to compatibility issues or suboptimal power delivery. Dedicated power supplies are generally better suited for different PLC brands.

For guaranteed performance and warranty support, always use the AS-PS02A with compatible Delta AS Series CPUs and modules.

3. What is the maximum current that the Delta AS-PS02A can supply?

The AS-PS02A provides 1.5A (36W) for the internal bus of the PLC and its modules. This is the primary power source for the CPU and connected expansion units.

Additionally, it offers a separate 0.5A (12W) output on external screw terminals. This is intended for powering auxiliary devices directly connected to the power supply.

Therefore, the total output capacity is 2.0A, split between internal and external usage, totaling 48W of power delivery.

4. How is the Delta AS-PS02A installed onto a Delta PLC?

Installation is a simple plug-and-play process. The module attaches directly to the left side of compatible Delta CPU modules.

It utilizes built-in clips that snap securely into place, ensuring a stable physical and electrical connection. This design minimizes wiring complexity.

No additional mounting hardware or extensive wiring is typically required, significantly reducing setup time.

5. What is the input voltage range for the Delta AS-PS02A power supply?

The AS-PS02A accepts a wide universal input voltage range of 100 to 240 VAC. This range covers most global power grid standards.

It also operates reliably with a frequency of 50 or 60 Hz, ensuring adaptability across different regions.

This broad input capability makes the AS-PS02A a versatile choice for international deployments and diverse industrial settings.

6. What kind of wiring should be used for the Delta AS-PS02A?

For AC input, use single-core or multi-core copper cables. The recommended wire gauge is between 12AWG and 18AWG.

These cables should have a temperature rating of 60°C or 75°C for safe operation. Ensure compliance with local electrical codes.

The external output uses standard screw terminals, suitable for connecting appropriately sized wires for the 0.5A load.

7. What operating temperatures can the Delta AS-PS02A withstand?

The Delta AS-PS02A is designed for industrial use and operates within a temperature range of -20°C to 60°C. This wide range ensures reliability in various environmental conditions.

Even in demanding settings like factory floors or outdoor enclosures, the power supply should maintain stable operation.

Always ensure adequate ventilation around the unit to prevent overheating and premature failure, especially in enclosed cabinets.

8. Does the Delta AS-PS02A offer protection against electrical faults?

The AS-PS02A itself does not typically feature advanced built-in surge protection or overcurrent shutdown mechanisms beyond standard internal safety measures. It relies on proper system design and external circuit protection.

It is crucial to implement appropriate circuit breakers or fuses on the AC input line to protect the power supply and connected equipment from overcurrents.

Consult the AS Series hardware manual for specific recommendations on external protective devices and wiring best practices.

9. How does the AS-PS02A contribute to system scalability?

The AS-PS02A is part of a modular PLC system. It can be used with various AS Series CPUs and expansion modules.

This modularity allows for easy expansion of I/O points, communication capabilities, or processing power as needed. The power supply's capacity is designed to support a typical AS Series configuration.

By providing stable power to the PLC's internal bus, it ensures that additional modules can be added without compromising system stability.

10. Where can I find detailed technical documentation for the Delta AS-PS02A?

The most comprehensive technical information is available in the official Delta AS Series Hardware Manual and Operation Manual. These documents provide detailed specifications, wiring diagrams, and troubleshooting guides.

You can usually download these manuals directly from the Delta Electronics website. Searching for "Delta AS Series Hardware Manual" or "Delta AS Series Operation Manual" will yield relevant results.

Datasheets are also often available from authorized distributors, offering a concise overview of the product's key features and specifications.