



The ABB Bailey NASM02S is a high-reliability Analog Slave Module engineered for the INFI 90 / Net 90 distributed control system (DCS) platform. Designed for industrial analog signal expansion and distributed I/O communication, the NASM02S enables seamless integration between field instrumentation and master control modules.
This module supports stable transmission of analog process signals and is widely deployed in mission-critical automation environments such as power generation plants, oil & gas facilities, petrochemical complexes, water treatment systems, and continuous manufacturing industries. With its rugged industrial design and proven long-term performance, the NASM02S remains a trusted solution for maintaining legacy ABB Bailey control architectures.
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Analog Slave Module |
| System | ABB Bailey INFI 90 / Net 90 DCS |
| Function | Analog signal acquisition and distributed I/O support |
| Supported Signals | 4–20 mA / 0–10 V DC |
| Input Capacity | Up to 16 analog input channels |
| Output Capacity | Up to 8 analog output channels |
| Interface | INFI 90 proprietary backplane communication |
| Compatible Devices | Thermocouples, RTDs, transmitters, valve positioners |
| Signal Isolation | Electrical noise isolation support |
| Diagnostics | Built-in module status monitoring |
| Module Type | Rack-mounted PCB module |
| Power Supply | System backplane powered |
| Operating Temperature | 0°C to 70°C |
| Humidity | 5%–95% non-condensing |
Dimensions & Weight
| Item | Value |
|---|---|
| Size (L × W × H mm) | 330 × 51 × 178 mm |
| Weight | approx. 0.4 – 1.0 kg |
Recommended Related Models
- ABB NAMM01 / NAMM02 / NAMM03 – analog master modules
- ABB NASI02 – analog slave input module
- ABB IMASI02 / IMASI03 – analog input modules
- ABB IMRAE11 / IMRAE12 – analog acquisition modules
- ABB IMMFP11 / IMMFP12 – multifunction processor modules
Popular ABB Bailey Models
- INFI 90 analog slave module series
- Bailey Harmony distributed control systems
- ABB Symphony process automation platforms
- Net 90 analog I/O architecture
- Industrial DCS instrumentation modules