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overview：
ABB AI931S Analog Input Module is a component of the S900 I/O system, designed for industrial automation and process control applications. It is particularly suited for use in hazardous areas, thanks to its ATEX certification for installation in Zone 1. Below is a detailed overview of its features, benefits, and technical specifications:
Fuctions & Features:
- Analog input functionality: The ABB AI931S Analog Input Module has 4 passive input channels for 0/4...20 mA signals. Supports HART communication, which allows the transmission of HART frames and cyclic HART variables via the fieldbus.
- Hazardous area compatibility: The ABB AI931S Analog Input Module is certified for installation in Zone 1 hazardous areas. It can connect intrinsically safe field devices installed in Zone 0, Zone 1 or Zone 2.
- Environmental durability: The G3 coating on all components of the ABB AI931S Analog Input Module ensures resistance to harsh environmental conditions, such as corrosion.
- Configuration: The ABB AI931S Analog Input Module enables excellent configuration and diagnostics through the FDT/DTM (Field Device Tool/Device Type Manager) framework.
Specifications：
|
Parameter |
Details |
|
Type |
Analog Input |
|
Number of Channels |
4 |
|
Signal Type |
4...20 mA |
|
HART Support |
Yes (transmission of HART frames and cyclic variables) |
|
SOE (Sequence of Events) |
N/A |
|
Redundancy |
No |
|
Intrinsic Safety |
Yes |
|
Mechanics |
S900 |
|
Electrical Isolation |
Between input and bus. |
|
Diagnostics |
Short circuit, wire break, and extended diagnostics. |
|
Installation |
Suitable for Zone 1 hazardous areas. |
|
Coating |
G3 corrosion-resistant coating. |
|
Communication Protocol |
PROFIBUS DP |
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