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Zone 0 and Zone 1 hazardous areas
enabling replacement or upgrades without system shutdown
power must be completely removed from the field or carrier bus before installation or removal
The ABB NTAI02 termination unit is commonly deployed in:
enabling continuous operation during maintenance
ABB IMDSI12 Digital Input Module 16 Channel INFI-90 Optically Isolated I/O Zone 0 and Zone 1Overview 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