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High-Availability I/O: ABB IMASI02 for Critical Process Signal Acquisition
Description The ABB IMASI02 is a redundant analog input interface module designed for ABB’s AC 800M and Symphony Plus distributed control systems (DCS). As a passive, high-availability I/O base unit, it enables dual-redundant connection of field sensors (e.g., 4–20 mA transmitters) to two independent I/O modules, ensuring continuous signal acquisition even during hardware failure—critical for power generation,…