Products Description
ABB 2000 4OAI Analog Input Module

Feature & Principle
It converts field analog current or voltage signals into digital signals and transmits to the Freelance 2000 controller via backplane bus. It supports signal filtering, channel fault diagnosis and open-circuit detection, provides stable process data for PID regulation, flow, pressure and temperature monitoring.
Specifications
Model: 2000 4OAI Brand: ABB System: Freelance 2000 Channel: 4 analog input channels Signal: 4-20mA, 0-10V Power supply: 24VDC Installation: Plug-in rack mounting Certification: CE, IEC
Components & Diagnostics
Signal conditioning circuit, A/D conversion chip, backplane bus interface, status LED indicator. Common faults: signal drift, channel no reading, module offline, open circuit alarm, backplane communication failure.
Product Brief
2000 4OAI analog input module, ABB DCS spare widely used for petrochemical, power and water treatment Freelance 2000 control cabinet maintenance.