Introduction
The ABB DSAI 146 3BSE007949R1 Analog Input Module is a precision-engineered I/O component designed to capture and convert analog signals from field sensors into accurate digital data for automation and control systems. Built for reliability and stability in demanding industrial environments, this module supports high-fidelity measurement of process variables such as voltage and current. With rugged design and seamless integration into ABB distributed I/O architectures, it enables dependable data acquisition and real‑time process control.
Technical Specifications & Physical Details
| Specification | Description |
|---|---|
| Manufacturer | ABB |
| Model Number | DSAI 146 (3BSE007949R1) |
| Module Type | Analog Input Module |
| Signal Types | Voltage and Current Inputs (e.g., 0–10 V, 4–20 mA) |
| Number of Channels | Typically 8 analog input channels |
| Resolution | High‑resolution analog‑to‑digital conversion |
| Input Impedance | High input impedance for accurate measurement |
| Isolation | Channel‑to‑common and field‑to‑bus isolation |
| Communication | Distributed I/O bus or compatible control network |
| Operating Voltage | Standard industrial (e.g., 24 V DC bus) |
| Operating Temperature | –20°C to +60°C |
| Mounting | DIN rail, rack, or panel installation (system dependent) |
A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale


