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- ABB Bailey
- NDSM05
- Numeric Subordinate Input Module
- Sweden (SE)
- 181 × 143 × 50 mm
- 0.3 kg
- Xiamen, China
- New & In Stock
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Product Overview
The ABB Bailey NDSM05 is a numeric subordinate input module used in ABB Bailey INFI 90 / Network 90 distributed control systems (DCS).
It functions as a slave-level data acquisition module, responsible for receiving process signals from field devices and transmitting processed digital information to the central control system.
This module is widely used in legacy industrial automation systems, especially in power generation, petrochemical, and heavy process industries.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | ABB (Bailey Systems) |
| Model | NDSM05 |
| Product Type | Numeric Subordinate Input Module |
| System Platform | INFI 90 / Network 90 DCS |
| Function | Digital input / data acquisition module |
| Role | Slave input module in distributed control system |
| Signal Type | Digital / system bus data |
| Architecture | Modular DCS input subsystem |
Physical Specifications
| Parameter | Details |
|---|---|
| Dimensions | 181 × 143 × 50 mm |
| Weight | 0.3 kg |
Function and Working Principle
The NDSM05 operates as a subordinate input module in ABB Bailey distributed control architecture.
Core Working Principle
- Receives input signals from field devices or system modules
- Converts signals into system-readable numeric/digital format
- Sends processed data to the main controller or processor module
- Operates as part of a coordinated DCS communication structure
- Ensures reliable data acquisition for process monitoring and control
It does not perform control logic itself, but acts as a data input interface module.
Key Functions
- Acquisition of digital/input signals
- Conversion into system numeric format
- Communication with master control modules
- Integration into distributed control system networks
- Stable data transfer for industrial process monitoring
System Role
Within an ABB Bailey INFI 90 / Network 90 system:
- Field devices generate process signals
- NDSM05 receives and conditions input signals
- Data is converted into system-compatible format
- Information is transmitted to central control processor
- Control system executes logic and process control
Industrial Applications
The NDSM05 is used in:
- Power generation plants
- Oil and gas facilities
- Petrochemical refineries
- Chemical processing plants
- Industrial automation systems
- Legacy distributed control systems (DCS)
Key Features
- Designed for ABB Bailey INFI 90 / Network 90 systems
- Reliable digital input handling
- Modular DCS architecture integration
- Stable industrial-grade performance
- Suitable for long-term operation in legacy systems
Advantages
- High reliability in industrial environments
- Stable data acquisition performance
- Modular system design integration
- Supports complex distributed control architectures
- Long lifecycle in critical process systems
Installation Notes
- Installed in ABB Bailey system racks or backplanes
- Requires compatible INFI 90 / Network 90 architecture
- Proper grounding and system configuration required
- Must be configured through DCS engineering tools
- Often used in redundant control system setups
FAQ
Q: What is NDSM05 used for?
It is used to acquire and transmit input signals in ABB Bailey DCS systems.
Q: Is it a controller?
No, it is a subordinate input (slave) module.
Q: What systems does it belong to?
ABB Bailey INFI 90 and Network 90 systems.
Q: Is it still used today?
It is mainly found in legacy industrial control systems.
Conclusion
The ABB Bailey NDSM05 Numeric Subordinate Input Module is an important data acquisition component in ABB legacy distributed control systems.
It provides reliable input signal processing and communication within INFI 90 / Network 90 architectures, ensuring stable operation of industrial automation and process control systems.