TheABB DAO 01 (0369629M-REF)is a high-precision analog output interface (Version 3 and later) designed for the Bailey INFI 90 and Network 90 distributed control systems. This module converts digital control commands from the system processor into continuous analog signals to drive field actuators, valves, and speed controllers. It is a critical component for closing the control loop, ensuring that process adjustments are executed with high accuracy and stability in demanding industrial environments.
Technical Specifications
Manufacturer:ABB (Bailey Controls)
Model Designation:DAO 01
Product ID / Reference:0369629M-REF
Hardware Revision:Version 3 (V3) and later
Product Type:I/O Analog Output Module
System Compatibility:Bailey INFI 90 / Network 90 DCS
Output Signal Support:Standard industrial analog control loops (e.g., 4-20 mA)
Dimensions:20.3 cm x 5.1 cm x 33.0 cm (8.0" x 2.0" x 13.0")
Physical Weight:1.7 kg (3 lbs 12 oz)
Design Standards:Ruggedized for continuous industrial process control
Application and Functional Advantages
TheDAO 01 (0369629M-REF)is engineered for sectors like power generation, petrochemical refining, and water management where precise final element control is mandatory. Its V3 architecture provides enhanced thermal stability and refined digital-to-analog (D/A) conversion, which significantly reduces signal jitter and drift. By maintaining high-fidelity output signals, the module allows for more responsive and accurate modulation of control valves and motor drives. The module features integrated diagnostic capabilities to monitor output health, ensuring that the control system can detect and respond to field-side wiring issues or actuator failures immediately.
