



The ABB AO820 is an advanced analog output module designed to deliver precise and reliable control signals for industrial automation and process control applications. As part of ABB’s 800xA and Freelance control systems, the AO820 module offers excellent performance with 16-bit resolution and high accuracy, making it ideal for applications where precision and reliability are paramount. It is widely used across industries such as manufacturing, energy management, and chemical processing, where it controls devices like actuators, valves, and motors. The AO820 module is engineered to optimize control processes, improve system efficiency, and support seamless integration into modern industrial systems, offering a flexible solution for both small and large-scale applications.
Technical Specifications
| Feature | Specification |
|---|---|
| Model | ABB AO820 |
| Module Type | Analog Output Module |
| Number of Channels | 8 (Single-ended Outputs) |
| Output Range | 0-10V, 4-20mA, ±10V |
| Resolution | 16-bit |
| Accuracy | ±0.05% of full scale |
| Output Impedance | < 1 Ω |
| Operating Temperature | -20°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Dimensions | 144mm x 130mm x 30mm |
| Weight | 0.3 kg |
| Mounting Type | DIN Rail Mountable |
| Power Consumption | 4W |
| Communication Protocol | Modbus RTU, Profibus DP, Ethernet/IP |
Recommended Related Models
For applications that require additional output channels or more advanced features, consider the following related ABB models:
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ABB AO832 – A higher-capacity model with more output channels, suitable for larger, more complex systems with demanding analog output requirements.
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ABB AO830A – A high-performance model that offers greater flexibility and more output devices for systems that need robust analog control.
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ABB AO530 – A compact and cost-effective model that is ideal for systems with simpler output needs but still provides high accuracy and reliability.
Popular Allen Bradley Models
To help with your comparison, here are similar models from Allen Bradley:
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Allen Bradley 1756-OA8 – A high-performance 8-channel analog output module, designed for use in applications that require flexibility in output range and high precision.
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Allen Bradley 1734-OA8 – A compact 8-channel module ideal for applications where space-saving is a priority without sacrificing performance.