TheABB DDO 02 (0369642M-REF)is a high-reliability digital output interface (Version 3 and later) designed for the Bailey INFI 90 and Network 90 distributed control systems. It converts internal DCS logic commands into discrete electrical signals to drive field devices like solenoid valves, motor starters, and indicators.
Technical Specifications
Manufacturer:ABB (Bailey Controls)
Model Designation:DDO 02
Product ID / Reference:0369642M-REF
Hardware Revision:Version 3 (V3) and higher
Product Type:Digital Output (DO) I/O Module
System Compatibility:Bailey INFI 90 / Network 90 DCS
Country of Origin:Germany (DE)
Customs Tariff Number:85389091
Dimensions:20.3 cm x 5.1 cm x 2.5 cm (8.0" x 2.0" x 1.0")
TheDDO 02 (0369642M-REF)is essential for process industries such as power generation and water treatment where discrete control timing is vital. The V3 architecture offers improved thermal management and enhanced solid-state switching components compared to earlier versions, leading to longer component life and reduced signal latency. Each output channel is designed with isolation circuitry to prevent field-side electrical faults from propagating back to the central processing unit. The module also facilitates easy troubleshooting via its compatibility with standard INFI 90 diagnostic tools, allowing engineers to verify output states and hardware health in real-time.
