



The ABB AI845 is a cutting-edge analog input module designed for use in ABB’s 800xA and Freelance control systems, offering high precision, reliability, and flexibility for industrial automation and process control. With the ability to interface with a broad array of industrial sensors, such as temperature, pressure, flow, and more, the AI845 excels in acquiring real-time data essential for maintaining optimal system performance. Ideal for energy management, process control, and other demanding industrial applications, this module provides a robust solution for applications that require high-resolution, accurate analog input and seamless system integration.
Technical Specifications
| Feature | Specification |
|---|---|
| Model | ABB AI845 |
| Module Type | Analog Input Module |
| Number of Channels | 8 (Differential Inputs) |
| Input Range | ±10V, 0-20mA, 4-20mA |
| Resolution | 16-bit |
| Accuracy | ±0.05% of full scale |
| Input Impedance | 1 MΩ for voltage inputs, 250 Ω for current inputs |
| Operating Temperature | -20°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Dimensions | 144mm x 130mm x 30mm |
| Weight | 0.2 kg |
| Mounting Type | DIN Rail Mountable |
| Power Consumption | 2.5W |
| Communication Protocol | Modbus RTU, Profibus DP, Ethernet/IP |
Recommended Related Models
For applications requiring higher input channels or more advanced features, the following ABB models may be suitable:
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ABB AI832 – Provides additional input channels and resolution for systems requiring extensive analog input capabilities.
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ABB AI830A – A versatile module with increased input capacity, ideal for systems with complex data acquisition needs.
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ABB AI530 – A more compact, cost-effective option for smaller systems, ideal for basic analog input functions.
Popular Allen Bradley Models
For comparison, consider these Allen Bradley models:
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Allen Bradley 1756-IF8 – An 8-channel, high-precision analog input module offering flexibility for demanding industrial applications.
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Allen Bradley 1734-IE8 – A rugged, space-efficient 8-channel module designed for reliable data acquisition in space-constrained systems.