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Introduction
The ABB AI835 3BSE008520R1 Analog Input Module is a high‑quality signal acquisition component designed for the ABB S800 I/O automation platform. This module captures multiple analog current inputs from field instruments—such as pressure transmitters, flow sensors, temperature transducers, and level probes—and converts them into accurate digital data for automation controllers. With robust industrial protection, stable conversion performance, and seamless integration, the AI835 is ideal for critical control, monitoring, and diagnostics applications in demanding process environments.
Technical Specifications
| Specification | Details |
|---|---|
| Model | AI835 (3BSE008520R1) |
| Product Type | Analog Input Module |
| System Compatibility | ABB S800 I/O automation systems |
| Number of Channels | 8 analog input channels |
| Supported Signals | 4–20 mA current inputs |
| Resolution | 12‑bit analog‑to‑digital conversion |
| Input Impedance | Approx. 230 Ω per channel |
| Input Protection | PTC‑protected shunt resistors |
| Isolation | Group‑wise isolation from ground reference |
| Maximum Non‑Destructive Voltage | Approx. 30 V DC |
| Update Cycle Time | Approx. 1 ms per channel group |
| Max Field Cable Length | Up to ~600 m without degradation |
| Mounting | DIN‑rail or S800 I/O rack mount |
| Operating Temperature | Industrial operating range |
| Weight | Approx. 0.25 kg |
| Dimensions | Standard S800 module footprint |
