ABB DSAO120A 3BSE018293R1 Analog Output Module

Description

Hardware and Performance Specifications Auxiliary supply: Powered by VME rack back‑plane, no external power supply required Power consumption: ≤8 W Output channels: 16‑channel analog output Signal types: −10~+10 V, 4‑20 mA, 0‑20 mA software configurable DAC resolution: 12‑bit Signal accuracy: ±0.15 % full‑scale Isolation voltage: Galvanic isolation between field‑side and system‑bus circuit Mounting mode: VME Eurocard plug‑in board for Advant subrack Protection class: IP20 Operating temperature: −25 ℃ ~ +70 ℃ Storage temperature: −40 ℃ ~ +85 ℃ Humidity: 5‑95 %RH non‑condensing EMC compliance: Comply with IEC 61000‑4 series industrial electromagnetic‑compatibility standards Dimension & weight: approx. 328 × 237 × 30 mm, weight approx. 0.53 kg Certifications: CE approval

Main Functions Receive digital control values from Advant main controller through VME back‑plane bus. Complete 12‑bit D/A conversion and signal conditioning, output standard analog control signals to field actuators. Support multi‑mode voltage and current output for control valves, regulators and process executing units. Channel‑level monitoring for output circuit abnormality and load fault detection. Front‑panel LED indicators display power‑on status and hardware fault alarm codes for on‑site inspection. Hardware self‑diagnosis detects internal circuit faults and reports fault information to the controller. Parameter configuration, output range setting and calibration are completed by ABB Advant engineering software.

Installation Requirement Plug‑in installation inside Advant VME controller subrack. Analog output signal cables adopt shielded twisted‑pair, strictly separated from high‑power power cables. Ensure reliable cabinet protective grounding. After module replacement, confirm full part‑number DSAO120A / 3BSE018293R1 matches original project configuration, download complete system configuration file. Perform channel point‑to‑point signal‑loop test and output calibration verification. Different hardware revisions cannot be directly interchanged without configuration adaptation. Do not put into service until no hardware self‑diagnosis fault alarm exists.

Typical Application Scenarios Analog‑output‑module spare part for ABB Advant OCS / MasterPiece AC400 automation‑control systems; widely used for process regulation in thermal‑power plants, hydropower plants and petrochemical industries; applied for legacy DCS‑PLC system maintenance and spare‑part replacement.

Key Features

1. 16‑channel analog output module for legacy Advant systems, supports voltage and current output modes.
2. Galvanic‑isolation design, suppress ground‑loop and electromagnetic interference in industrial environments.
3. Channel‑level fault monitoring function, convenient for field‑loop fault judgment.
4. VME Eurocard plug‑in structure, back‑plane powered, easy for on‑site replacement and maintenance.
5. Strict full‑part‑number matching required for spare‑part replacement.