Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| sales@plc-automations.com | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The ABB PXAA 401 3BSE017233R1 is a high-performance central unit designed for use in advanced industrial automation systems. This central unit plays a critical role in processing, managing, and controlling data flows in complex control systems. With robust hardware and intelligent software capabilities, it supports a range of applications in industries like power generation, oil & gas, chemical processing, and manufacturing. The PXAA 401 offers exceptional reliability and performance, providing high-speed processing to enable real-time control and monitoring in various industrial environments.
This unit is part of ABB’s PXAA Series, known for offering flexible, scalable solutions that ensure seamless integration into existing automation systems, reducing operational complexity while maximizing performance. It is designed to handle critical data traffic efficiently and ensures the smooth functioning of connected devices.
| Parameter | Value |
|---|---|
| Model Number | ABB PXAA 401 3BSE017233R1 |
| Dimensions (L x W x H) | 380 x 235 x 110 mm |
| Weight | 5 kg |
| Power Supply | 24 V DC (nominal) |
| Processor Type | Multi-core Processor |
| Bus Interface | Ethernet, Profibus |
| Temperature Range | -20°C to +60°C |
| Communication Protocols | MODBUS, OPC, Ethernet |
| Mounting Type | Rack-mounted |
| I/O Connectivity | 32 Digital Inputs/Outputs |
| Redundancy | Hot standby |
The ABB PXAA 401 3BSE017233R1 central unit is designed for integration in large-scale, high-performance automation systems. Its key applications include:
Power Generation: Efficiently controls and monitors complex systems in power plants, ensuring stable and continuous operations.
Oil & Gas: Provides real-time data processing and control, essential for safe and efficient operation in demanding environments like refineries and offshore platforms.
Manufacturing Systems: Optimizes production processes by controlling machinery, sensors, and other components in large manufacturing plants.
Process Control Systems: Manages large-scale control loops, monitors critical processes, and ensures operational efficiency in industries such as chemicals and pharmaceuticals.
High Performance: With a multi-core processor and advanced communication protocols, the PXAA 401 provides superior processing power for demanding control tasks.
Scalable and Flexible: The central unit is easily scalable and can be integrated with other control systems to meet the needs of both small and large industrial systems.
Reliability: Designed to operate in harsh industrial environments, the PXAA 401 ensures minimal downtime with hot standby redundancy and robust fault tolerance.
Seamless Integration: Supports a wide range of communication protocols (MODBUS, OPC, Ethernet), ensuring compatibility with existing control systems and devices.
Compact Design: With its rack-mounted format, it saves valuable space in industrial control panels and makes installation and maintenance easier.
ABB is a world leader in industrial automation, providing innovative technologies that enhance the performance and efficiency of industrial operations. For over a century, ABB has been at the forefront of automation and power solutions, delivering reliable and scalable systems to industries worldwide. The ABB PXAA 401 3BSE017233R1 central unit represents ABB’s commitment to providing cutting-edge technology that supports the digital transformation of industries. ABB’s advanced products like the PXAA 401 are designed to improve system integration, reduce operational costs, and enhance overall system reliability.
| Model | Description | Dimensions (L x W x H) | Weight |
|---|---|---|---|
| PXAA 402 | Advanced central unit with more I/O ports and enhanced communication protocols | 380 x 235 x 110 mm | 5.2 kg |
| PXAA 403 | High-performance central unit for large-scale applications with redundant power supplies | 380 x 235 x 120 mm | 5.5 kg |
| PXAA 405 | Compact version designed for medium-scale systems with less I/O connectivity | 300 x 200 x 90 mm | 4.5 kg |
| PXAA 406 | Central unit with advanced security features for critical infrastructures | 380 x 235 x 115 mm | 5.1 kg |
| PXAA 407 | A high-end model featuring high-speed data processing and integrated fault detection | 400 x 240 x 120 mm | 5.8 kg |
| Model | Description | Dimensions (mm) |
|---|---|---|
| PXAK402 | Analog input module, 4-channel, high-speed sampling | 130 x 90 x 50 |
| PXHK401 | Digital output module, 8-channel, with redundancy support | 120 x 80 x 45 |
| PXRFP4LR | Fiber optic module, 4-channel, long-range communication | 150 x 100 x 60 |
| PXAK403 | Analog input module, 4-channel, extended temperature range | 130 x 90 x 50 |
| PXHK402 | Digital output module, 8-channel, with extended diagnostics | 120 x 80 x 45 |
Q1: What is the purpose of the ABB PXAA 401 3BSE017233R1 central unit?
A1: The central unit manages and controls data flows in complex automation systems, ensuring real-time monitoring and control.
Q2: What is the power supply requirement for the ABB PXAA 401?
A2: The unit operates on a 24 V DC power supply, making it suitable for a wide range of industrial applications.
Q3: Can the ABB PXAA 401 be used in a harsh industrial environment?
A3: Yes, it is designed to operate in temperatures ranging from -20°C to +60°C, making it suitable for demanding industrial conditions.
Q4: What communication protocols does the ABB PXAA 401 support?
A4: The unit supports MODBUS, OPC, and Ethernet protocols for seamless integration with various devices and systems.
Q5: How is redundancy handled in the ABB PXAA 401?
A5: The central unit supports hot standby redundancy, ensuring continuous operation in case of failure.
Q6: What is the mounting type for the ABB PXAA 401?
A6: The unit is rack-mounted, making it easy to integrate into control panels and systems.
Q7: Does the ABB PXAA 401 offer scalability?
A7: Yes, the unit is highly scalable and can be integrated into larger systems as needed.
Q8: Is this product compatible with existing ABB control systems?
A8: Yes, the PXAA 401 is designed to work seamlessly with other ABB systems like the 800xA and DCS 500.
Q9: What industries can benefit from using the ABB PXAA 401?
A9: It is ideal for industries such as power generation, oil & gas, manufacturing, and process control.
Q10: What is the weight of the ABB PXAA 401 central unit?
A10: The unit weighs 5 kg, making it relatively lightweight for its capabilities.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.