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- ABB Bailey
- NDSO01
- Digital Output Module
- Sweden (SE)
- 150 × 150 × 50 mm
- 0.5 kg
- Xiamen, China
- New & In Stock
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Product Overview
The ABB Bailey NDSO01 is a digital output module used in ABB Bailey INFI 90 / Network 90 distributed control systems (DCS).
It functions as an output interface module, converting control commands from the DCS processor into electrical switching signals used to operate field devices such as:
- Relays
- Solenoids
- Contactors
- Alarm devices
- Actuators
It is a key component in legacy ABB industrial automation systems.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | ABB (Bailey Systems) |
| Model | NDSO01 |
| Product Type | Digital Output Module |
| System Platform | INFI 90 / Network 90 DCS |
| Function | Digital signal output / switching control |
| Output Channels | Multiple independent digital outputs |
| Signal Type | Digital ON/OFF control signals |
| Architecture | Modular DCS output subsystem |
Physical Specifications
| Parameter | Details |
|---|---|
| Dimensions | 150 × 150 × 50 mm |
| Weight | 0.5 kg |
Function and Working Principle
The NDSO01 operates as a digital output interface module within the ABB Bailey control architecture.
Core Working Principle
- Receives control commands from DCS processor modules
- Processes and routes output signals to channel circuits
- Uses solid-state switching elements to drive field devices
- Activates external loads (relays, valves, alarms, etc.)
- Provides isolated and controlled digital outputs
It acts as the final control signal interface between the DCS and field equipment.
Key Functions
- Converts DCS commands into physical ON/OFF outputs
- Drives industrial field devices (relays, solenoids, actuators)
- Supports multiple independent output channels
- Provides stable and reliable switching control
- Integrates into distributed control system architecture
System Role
Within an ABB Bailey INFI 90 / Network 90 system:
- Control processor generates output commands
- Commands are transmitted to NDSO01 module
- Module activates corresponding output channels
- Field devices are switched ON/OFF accordingly
- Process control actions are executed in the plant
Industrial Applications
The NDSO01 is used in:
- Power generation plants
- Oil and gas facilities
- Petrochemical refineries
- Chemical processing industries
- Industrial automation systems
- Legacy distributed control systems (DCS)
Key Features
- Designed for ABB Bailey INFI 90 / Network 90 systems
- Multi-channel digital output capability
- Reliable solid-state switching design
- Modular DCS integration
- Stable operation in industrial environments
- Supports field device control functions
Advantages
- Reliable switching performance
- Stable industrial-grade output control
- Modular system integration
- Suitable for continuous operation environments
- Supports large-scale distributed automation systems
Installation Notes
- Installed in ABB Bailey system racks or module mounting units
- Requires compatible INFI 90 / Network 90 backplane
- Proper grounding and system configuration required
- Must be configured via DCS engineering tools
- Often used in redundant control system architectures
FAQ
Q: What is NDSO01 used for?
It is used to provide digital output signals in ABB Bailey DCS systems.
Q: Is it an input or output module?
It is a digital output module.
Q: What does it control?
It controls field devices such as relays, valves, and actuators.
Q: Which system does it belong to?
ABB Bailey INFI 90 / Network 90 systems.
Conclusion
The ABB Bailey NDSO01 Digital Output Module is an essential control interface component in legacy ABB distributed control systems.
It provides reliable digital switching output capability, enabling DCS processors to directly control industrial field devices within INFI 90 / Network 90 architectures.