Introduction
The ABB DSAI 155A 3BSE014162R1 DS Analog Input Unit is a high‑performance field I/O module engineered for reliable and accurate acquisition of analog signals in industrial automation systems. It captures real‑world process variables such as voltage and current from sensors and transducers and converts them into stable digital data for advanced control, monitoring, and analytics. With robust construction and precision signal handling, the DSAI 155A supports demanding environments where data fidelity and uptime matter.
Technical Specifications & Physical Details
| Specification | Details |
|---|---|
| Manufacturer | ABB |
| Model Number | DSAI 155A (3BSE014162R1) |
| Module Type | Analog Input Unit |
| Signal Types | Voltage (e.g., 0–10 V), Current (e.g., 4–20 mA) |
| Channel Count | Typically 8 analog input channels (system dependent) |
| Resolution | High‑resolution ADC (e.g., 12–16‑bit class) |
| Input Impedance | High impedance for accurate sensing |
| Isolation | Channel‑to‑bus and channel‑to‑ground isolation |
| Communication | Distributed I/O network, bus or fieldbus compatible |
| Operating Voltage | Standard industrial supply (e.g., 24 V DC bus) |
| Operating Temperature | –20°C to +60°C |
| Mounting | DIN rail, panel, or rack mount (system dependent) |
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