ABB IMDSI12 Digital Input Module 16 Channel INFI-90 Optically Isolated I/O The ABB NTAI02 termination unit

The ABB NTAI02 termination unit is commonly deployed in:

Performs continuous diagnostics on processor

Systems requiring high availability with redundant I/O configurations

and INFI‑90 backplane

ABB IMDSI12 Digital Input Module 16 Channel INFI-90 Optically Isolated I/O The ABB NTAI02 termination unitOverview The ABB IMDSI12 is a discrete input interface module designed for ABB Bailey INFI 90 and Symphony control systems. It enables the acquisition of field based ON OFF signals and transfers these states to the control processor with high reliability. This module is intended for use in distributed I O configurations, where accurate detection of equipment status is essential. It incorporates signal conditioning and isolation to ensure stable