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The ABB Bailey IMFAI02 converts high-level analog signals from field transmitters. This module processes up to sixteen single-ended input channels simultaneously. It weighs approximately 0.56 kg and fits any standard Bailey rack slot. Its dimensions measure 25.4 cm in length, 12.7 cm in width, and 3.2 cm in height.
Technical Specifications & Hardware Details
The IMFAI02 provides sixteen single-ended analog inputs with 12-bit resolution. A single 48-pin backplane connector interfaces this module with the host controller. This unit stores no energy internally because it lacks batteries or supercapacitors. Three main components form the complete assembly: the PCB, the faceplate, and the backplane connector.
| Parameter | Specification |
|---|---|
| Product Model | IMFAI02 |
| Weight | 0.56 kg (1.23 lbs) |
| Dimensions (L×W×H) | 25.4 cm × 12.7 cm × 3.2 cm |
| Number of Components | 3 assemblies (PCB, faceplate, backplane connector) |
| Input Channels | 16 single-ended analog inputs |
| Input Ranges | 0-5V, 1-5V, 0-10V, 4-20 mA (configurable) |
| Resolution | 12 bits |
| Input Impedance | 100 kΩ (voltage), 250 Ω (current) |
| Energy Storage | None (battery-free design) |
| Backplane Interface | Single 48-pin connector |
Signal Configuration and Field Wiring
You can configure each channel individually for voltage or current mode via jumpers. For terminating field wiring, connect this module to NTAI series termination units. The single-ended design works best with grounded signal sources. A front-panel LED indicates the module’s operational status at all times.
Installation and Operational Data
You can mount this module into any open slot of a Bailey INFI 90 rack. The module draws 190 mA from the 5V backplane supply during normal operation. Furthermore, it operates reliably within a 0°C to 60°C temperature range. Consequently, the IMFAI02 requires zero scheduled maintenance. Just inspect ribbon cable connections during routine system checks.