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Introduction
The ABB Bailey IMASI03 Analog Input Slave Module is a precision-engineered I/O interface module used in ABB Bailey Infi 90 Distributed Control Systems (DCS) and modular automation architectures. Its primary role is to receive and condition high-accuracy analog input signals from field instruments—such as transmitters, sensors, and transducers—and relay them to the system’s analog master module for processing by the control logic.
Designed for demanding industrial environments, the IMASI03 delivers dependable performance, enhanced signal conditioning, and tight integration with the Infi 90 family. It is commonly deployed where high-resolution, stable analog measurement is essential for accurate process control and monitoring.
Technical Specifications
| Specification | Description |
|---|---|
| Model | IMASI03 |
| Module Type | Analog Input Slave Module |
| System Compatibility | ABB Bailey Infi 90 DCS |
| Function | Acquire and condition analog inputs for control logic |
| Input Channels | Typically 8 analog input channels |
| Supported Signals | Current (4–20 mA) and voltage (±10 V) inputs |
| Resolution | High-precision A/D conversion for accurate measurement |
| Isolation | Channel-to-channel and backplane isolation |
| Mounting | Infi 90 backplane / rack installation |
| Power Supply | Supplied through system backplane |
| Operating Environment | Industrial control cabinets |
