The ABB Bailey NDSM04 Digital Slave Input Module is a robust and field-proven component within the ABB Bailey INFI 90 Distributed Control System. Designed for reliable acquisition of digital signals in demanding industrial environments, it delivers consistent performance, strong electrical isolation, and long-term operational stability.
This module is especially valued in legacy automation systems where reliability and continuity are more critical than constant redesign. It integrates smoothly into existing Bailey architectures, making it a practical choice for maintenance, expansion, and modernization projects.
Technical Specifications
| Parameter | Details |
|---|---|
| Product Type | Digital Slave Input Module |
| System Compatibility | ABB Bailey INFI 90 / Net 90 |
| Input Channels | 32 digital inputs |
| Input Signal Type | 24V DC / dry contact |
| Isolation | Optical isolation per channel |
| Response Time | < 5 ms |
| Communication | Backplane system bus |
| Mounting Type | Rack / chassis mounted |
| Operating Temperature | 0°C to 60°C |
| Humidity Range | 5%–95% non-condensing |
Physical Dimensions & Weight
| Specification | Value |
|---|---|
| Dimensions (H × W × D) | 130 mm × 60 mm × 200 mm |
| Weight | 0.3–0.65 kg |
The compact unified structure (height × width × depth) allows efficient installation in densely packed control cabinets while maintaining excellent service accessibility.
Recommended Related Models
- ABB Bailey IMDSO04 Digital Output Module
- ABB Bailey IMASI23 Analog Input Module
- ABB Bailey IMMFP11 Multi-Function Processor Module
- ABB Bailey INICT03A Network Interface Module
- ABB Bailey NTAI04 Analog Termination Unit
These modules are frequently used together to build a complete and reliable Bailey INFI 90 control system.
Popular ABB Bailey Models
- NDSM03 Digital Input Module
- IMDSO04 Digital Output Module
- IMMFP12 Advanced Processor Module
- INNIS01 Network Interface Module
- IMASI23 Analog Input Module
These modules remain widely deployed in long-life industrial automation systems worldwide.
