Introduction
The ABB AI801 3BSE020512R1 Analog Input Module is a reliable and precise signal acquisition solution developed for ABB S800 I/O distributed automation systems. Designed to handle critical process signals with stability and accuracy, this module converts analog current inputs into high-quality digital data for control and monitoring. Its industrial-grade construction, combined with proven ABB engineering, makes the AI801 a trusted choice for continuous operation in demanding environments such as power plants, chemical processing, and manufacturing automation.
Technical Specifications
| Specification | Details |
|---|---|
| Model | AI801 (3BSE020512R1) |
| Module Type | Analog Input Module |
| System Family | ABB S800 I/O |
| Number of Channels | 8 analog input channels |
| Input Signal Range | 0–20 mA, 4–20 mA |
| Signal Type | Unipolar current input |
| Resolution | 12-bit A/D conversion |
| Input Impedance | Approx. 230–275 Ω |
| Isolation | Group-wise isolation from ground |
| Protection | PTC-protected shunt resistors |
| Maximum Input Voltage | Up to approx. 30 V DC (non-destructive) |
| Update Time | Approx. 1 ms |
| Maximum Cable Length | Up to approx. 600 m |
| Mounting | DIN-rail / S800 I/O rack |
| Dimensions | Approx. 119 mm × 93 mm × 54 mm |
| Weight | Approx. 0.24 kg |
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