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ABB UAA326A02 Overview
The ABB UAA326A02 is a high-performance industrial control module (PLC/CPU board) from the ABB UAA series. It serves as a core processing and power-management unit for ABB AC500 PLC systems and can also function as a general-purpose digital/analog I/O module in various automation applications.
Main Functions and Applications
Provides power management, signal isolation, and multiple communication interfaces (Ethernet, RS-485, USB, etc.) for AC500 PLCs, enabling high-speed data processing and remote monitoring.
Supports 16 digital inputs and 16 relay-type digital outputs, allowing direct connection to field devices such as sensors and actuators.
Compatible with multiple PLC, DCS, and TSI brands (including Allen Bradley, Siemens, GE, Fanuc, Schneider, Honeywell, Invensys, and Triconex), making it suitable for control systems in power generation, petrochemical, metallurgical, and building automation industries.
Technical Specifications (Typical Values)
| Item | Parameter |
|---|---|
| Input Voltage | 24 V DC ± 20 % (typical) |
| Output Voltages | 3.3 V, 5 V, 12 V (optional) |
| Input Current | up to 0.5 A (some sources ≈ 5 mA) |
| Output Type | Relay (digital output) |
| I/O Channels | 16 digital inputs, 16 digital outputs |
| Operating Temperature | –25 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Dimensions | Approx. 160 mm × 100 mm × 25 mm |
| Weight | Approx. 500 g |
| Compliance | IEC 61131-3 (PLC programming standard) |
Typical Application Scenarios
Robotics, manipulators, and packaging machines requiring precise motion control on automated production lines.
Power distribution, process control, and industrial automation (chemical, oil & gas industries) for digital signal acquisition and control.
Building management, logistics, and traffic systems requiring reliable fieldbus I/O interfaces.
Key Advantages
High reliability and industrial-grade design, ensuring long-term operation in harsh environments.
Multiple communication interfaces and wide compatibility, simplifying integration with existing PLC/DCS networks.
Supports remote monitoring and fault self-protection, enhancing system safety and maintenance efficiency.
