Description
The
ABB UAC326AE is a high-performance analog input/output module designed for industrial automation systems, specifically engineered to integrate seamlessly with ABB’s control platforms. As part of ABB’s extensive portfolio of industrial control components, the
UAC326AE serves as a critical interface between field devices and control systems, enabling precise measurement and control of analog signals in complex industrial environments. This module is built to handle a wide range of applications, from process monitoring in chemical plants to real-time data acquisition in manufacturing lines, ensuring reliable data transmission and robust system stability.
The UAC326AE features advanced signal conditioning capabilities, allowing it to process analog inputs such as voltage, current, and temperature signals with high accuracy. Its modular design ensures easy integration into existing control systems, while built-in diagnostics and error-checking mechanisms minimize downtime and enhance operational efficiency. Positioned as a versatile solution for both new installations and retrofitting projects, the UAC326AE delivers exceptional value by combining precision, durability, and ease of use, making it an ideal choice for industries demanding reliable analog I/O performance.
Parameter Name |
Parameter Value |
Product Model |
UAC326AE |
Manufacturer |
ABB |
Product Type |
Analog Input/Output Module |
Signal Types |
Voltage (0-10V), Current (4-20mA), Thermocouple, RTD |
Resolution |
16-bit |
Channels |
8 analog inputs, 4 analog outputs |
Input Impedance |
≥100 kΩ (voltage), ≤250 Ω (current) |
Output Load |
≤500 Ω (voltage), ≤600 Ω (current) |
Communication Protocol |
Proprietary to ABB control systems |
Power Supply |
24 V DC ±10% |
Operating Temperature |
-20°C to +60°C |
Dimensions |
100 mm (H) x 50 mm (W) x 120 mm (D) |
Certification |
CE, UL, CSA |

UAC326AE
The UAC326AE stands out for its ability to support multiple signal types, reducing the need for specialized modules and simplifying inventory management. Its high-resolution 16-bit analog-to-digital conversion ensures precise data acquisition, critical for applications requiring tight control tolerances, such as pharmaceutical processing or precision manufacturing. The module’s built-in self-diagnostics continuously monitor signal integrity and power supply status, alerting operators to potential issues before they escalate, which significantly improves system uptime.
Reliability is a core design principle of the UAC326AE. The module is engineered to withstand harsh industrial environments, with robust isolation between channels to prevent signal interference and a rugged enclosure that resists vibration, dust, and moisture. This durability makes it suitable for deployment in challenging settings, including oil and gas facilities and heavy machinery applications.
Ease of integration is another key advantage. The UAC326AE features a plug-and-play design with standardized terminal blocks, allowing for quick installation and wiring. Its compatibility with ABB’s control software enables seamless configuration and calibration, reducing commissioning time and minimizing the risk of human error during setup.
The UAC326AE is widely used across industries that rely on analog signal processing for process control and monitoring. In chemical and petrochemical plants, the module plays a critical role in measuring and controlling variables such as pressure, temperature, and flow rate, ensuring safe and efficient operation of reactors, distillation columns, and other critical equipment. In the power generation sector, it is employed in turbine control systems and boiler monitoring, where precise analog input/output capabilities are essential for maintaining grid stability and optimizing energy production.
Manufacturing industries benefit from the
UAC326AE in quality control systems, where it interfaces with sensors to monitor parameters like humidity, vibration, and material thickness in real time. This enables predictive maintenance strategies and ensures consistent product quality. The module also finds use in water and wastewater treatment plants, where it controls pumps, valves, and chemical dosing systems based on analog signals from pH sensors, level transmitters, and flow meters.

UAC326AE
- ABB UAC325AE: A compact analog input module with 16 channels, ideal for applications requiring high channel density.
- ABB UDC326AE: A digital input/output module complementary to the UAC326AE for mixed-signal control systems.
- ABB UAC501: A higher-performance analog I/O module with advanced cybersecurity features for critical infrastructure applications.
- ABB UAC301: A cost-effective entry-level analog module suitable for small-scale automation projects.
- ABB UAC800M: Part of the AC 800M control system, offering integrated analog and digital I/O capabilities for distributed control systems (DCS).
Pre-installation preparation: Ensure the control system is powered off and the installation environment meets the UAC326AE’s temperature and humidity requirements. Verify that all field devices (sensors, actuators) are properly calibrated and wired according to the module’s terminal block diagram. Use shielded cables to minimize electromagnetic interference, and secure the module in a DIN rail mount within a grounded control cabinet.
Maintenance recommendations: Regularly inspect the module for physical damage or loose connections, especially in high-vibration environments. Use ABB’s diagnostic software to perform periodic health checks, including signal accuracy verification and power supply voltage monitoring. If a fault is detected, replace the module with a pre-calibrated spare to minimize downtime. Avoid exposing the module to direct moisture or corrosive gases, and clean the enclosure periodically with a dry, non-abrasive cloth.
ABB stands behind the UAC326AE with a comprehensive quality assurance program, ensuring each module meets rigorous industry standards for performance and reliability. The product is backed by a standard warranty covering defects in materials and workmanship, with optional extended warranty plans available for enhanced protection. ABB’s global technical support team provides 24/7 assistance for installation, configuration, and troubleshooting, ensuring quick resolution of any issues. Customers can access detailed documentation, software updates, and training resources through ABB’s customer portal, enabling seamless integration and long-term system optimization. The UAC326AE is designed for long-term availability, with ABB committed to supporting product lifecycles to minimize obsolescence risks for industrial customers.
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