The ABB Bailey NIAC02 Analog Input Calibration Module is a precision support component used within the ABB Bailey INFI 90 Distributed Control System. Unlike standard I/O modules, it is specifically designed for calibration and verification of analog input signals, ensuring measurement accuracy and long-term stability across industrial control systems.
In practical DCS applications, the NIAC02 plays a critical role during system commissioning, maintenance, and troubleshooting. It enables engineers to calibrate multiple analog channels simultaneously, improving efficiency while maintaining signal integrity across the control architecture.
This makes it an essential “maintenance-grade” module rather than a field signal interface, ensuring that analog measurement systems remain accurate over long operational cycles.
Technical Specifications
| Parameter | Details |
|---|---|
| Product Type | Analog Input Calibration Module |
| System Compatibility | ABB Bailey INFI 90 / Net 90 |
| Function | Multi-channel analog calibration |
| Calibration Scope | Up to 8 analog input channels |
| Signal Source | Internal or external calibration voltage |
| Module Structure | Single PCB card design |
| Slot Requirement | Dedicated termination module slot |
| Connection Type | Backplane + calibration cable interface |
| Operating Environment | Industrial control cabinet |
| Maintenance Role | Calibration / diagnostics / verification |
Physical Dimensions & Weight
| Specification | Value |
|---|---|
| Dimensions (H × W × D) | 130 mm × 25 mm × 200 mm |
| Weight | ~0.3 kg |
The compact rack-compatible design allows it to be installed within standard ABB Bailey termination module frames without requiring additional cabinet space.
Recommended Related Models
- ABB Bailey IMASM02 Analog Input Slave Module
- ABB Bailey IMAMM03 Analog Master Module
- ABB Bailey NIAI02 Termination Module
- ABB Bailey NDSM04 Digital Input Module
- ABB Bailey IMMFP11 Multi-Function Processor Module
These modules are commonly used together in analog measurement chains where accurate signal calibration is critical.
Popular ABB Bailey Models
- NIAC02 Calibration Module
- IMASI23 Analog Input Module
- IMASM02 Analog Slave Input Module
- IMAMM03 Analog Master Module
- INFI 90 System I/O Modules
These components are widely deployed in legacy ABB Bailey systems used across global industrial facilities.
